Development of tooth
•
3 likes•390 views
The document discusses the development of teeth from the primary epithelial band through the stages of tooth morphogenesis. It describes the bud, cap, and bell stages where the enamel organ and dental papilla develop. Root formation involves Hertwig's epithelial root sheath. Tooth type is determined by ectomesenchymal genes. Physiological stages include initiation, proliferation, histodifferentiation, morphodifferentiation, and apposition. Clinical considerations are given for anomalies resulting from disruptions during different developmental stages, such as partial anodontia from initiation issues and enamel hypoplasia from secretory stage problems.
Report
Share
Report
Share
Download to read offline
Recommended
Tooth development part 2
The document discusses the stages of tooth development from the primary epithelial band through root formation and anomalies. It describes how the dental lamina forms and how permanent teeth develop from the successor lamina on the lingual side of predecessor teeth. The main stages of tooth development discussed are the bud stage, cap stage, bell stages (early, late), apposition and root formation. It also lists some anomalies of tooth development such as enamel pearls, supernumerary teeth, and accessory root canals.
Cementum
Cementum is the mineralized tissue covering tooth roots. It consists of inorganic minerals like hydroxyapatite and organic materials like collagen. Cementum forms through cementogenesis, led by cementoblasts. There are two stages of cementogenesis - matrix formation where cementoblasts lay down an unmineralized matrix, and mineralization where crystals are deposited. Cementum can be classified as acellular or cellular based on the presence of cementocytes, and primary or secondary based on formation time. Cementum functions to attach teeth to bone and allows for adaptation.
Dentin
this presentation includes various structural details regarding dentin, its process of formation i.e. dentinogenesis and various aomalies of dentin
Alveolar bone
Alveolar bone is the specialized bone that forms the sockets for teeth in the maxilla and mandible. It consists of alveolar bone proper surrounding the tooth root, supporting alveolar bone made of cortical plates and spongy bone, and bundle bone where periodontal ligament fibers insert. Osteoblasts build bone matrix while osteoclasts resorb it, allowing remodeling. With age, alveolar bone thins with wider marrow spaces and more fragile trabeculae, leading the alveolar crest to slope down distally as teeth tilt mesially.
Amelogenesis
Amelogenesis is the process of enamel formation. It occurs in two steps - organic matrix formation and mineralization. During the secretory stage, cells called ameloblasts secrete enamel matrix proteins that make up the organic portion of enamel. In the maturation stage, ameloblasts facilitate the removal of water and organic material from enamel while depositing minerals, resulting in fully mineralized enamel. Ameloblasts undergo morphological and functional changes throughout their lifespan to facilitate the different stages of enamel formation.
Odontogenesis
1. Tooth development involves interactions between the oral epithelium and underlying neural crest-derived ectomesenchyme. Molecules and signaling pathways initiate differentiation and morphogenesis of teeth.
2. Neural crest cells constitute much of the mesenchyme of the head and neck, including the connective tissues of dental structures. These ectomesenchymal cells instruct the overlying oral epithelium to begin tooth development.
3. Tooth development proceeds through bud, cap, and bell stages as the enamel organ invaginates and proliferates. Key events include formation of the enamel knot and cord which help pattern the crown, and differentiation of preameloblasts and odontoblasts which begin secre
Amelogenisis
The document describes the life cycle of ameloblasts and the process of amelogenesis. There are seven stages in the life cycle of ameloblasts: 1) morphogenic, 2) differentiation, 3) secretory, 4) transitional, 5) maturative, 6) protective, and 7) desmolytic. Amelogenesis involves two processes - formation of the enamel matrix through protein secretion and mineralization through hydroxyapatite deposition and maturation. Defects in amelogenesis can result from conditions like febrile diseases or tetracycline intake, producing malformed or discolored enamel. Enamel undergoes age-related changes like attrition, discoloration, and increased hardness due
Tooth development 1
The document discusses tooth development from the intrauterine life stage through the bell stage. It describes the key stages and structures involved, including the dental lamina, bud stage, cap stage, and early bell stage. During these stages, the enamel organ, dental papilla, and dental sac develop and differentiate. Structures like the enamel knot, enamel cord, and cervical loop form transiently to guide tooth morphogenesis. By the early bell stage, the inner dental epithelium induces the underlying mesenchyme to form odontoblasts, marking the beginning of dentin formation.
Recommended
Tooth development part 2
The document discusses the stages of tooth development from the primary epithelial band through root formation and anomalies. It describes how the dental lamina forms and how permanent teeth develop from the successor lamina on the lingual side of predecessor teeth. The main stages of tooth development discussed are the bud stage, cap stage, bell stages (early, late), apposition and root formation. It also lists some anomalies of tooth development such as enamel pearls, supernumerary teeth, and accessory root canals.
Cementum
Cementum is the mineralized tissue covering tooth roots. It consists of inorganic minerals like hydroxyapatite and organic materials like collagen. Cementum forms through cementogenesis, led by cementoblasts. There are two stages of cementogenesis - matrix formation where cementoblasts lay down an unmineralized matrix, and mineralization where crystals are deposited. Cementum can be classified as acellular or cellular based on the presence of cementocytes, and primary or secondary based on formation time. Cementum functions to attach teeth to bone and allows for adaptation.
Dentin
this presentation includes various structural details regarding dentin, its process of formation i.e. dentinogenesis and various aomalies of dentin
Alveolar bone
Alveolar bone is the specialized bone that forms the sockets for teeth in the maxilla and mandible. It consists of alveolar bone proper surrounding the tooth root, supporting alveolar bone made of cortical plates and spongy bone, and bundle bone where periodontal ligament fibers insert. Osteoblasts build bone matrix while osteoclasts resorb it, allowing remodeling. With age, alveolar bone thins with wider marrow spaces and more fragile trabeculae, leading the alveolar crest to slope down distally as teeth tilt mesially.
Amelogenesis
Amelogenesis is the process of enamel formation. It occurs in two steps - organic matrix formation and mineralization. During the secretory stage, cells called ameloblasts secrete enamel matrix proteins that make up the organic portion of enamel. In the maturation stage, ameloblasts facilitate the removal of water and organic material from enamel while depositing minerals, resulting in fully mineralized enamel. Ameloblasts undergo morphological and functional changes throughout their lifespan to facilitate the different stages of enamel formation.
Odontogenesis
1. Tooth development involves interactions between the oral epithelium and underlying neural crest-derived ectomesenchyme. Molecules and signaling pathways initiate differentiation and morphogenesis of teeth.
2. Neural crest cells constitute much of the mesenchyme of the head and neck, including the connective tissues of dental structures. These ectomesenchymal cells instruct the overlying oral epithelium to begin tooth development.
3. Tooth development proceeds through bud, cap, and bell stages as the enamel organ invaginates and proliferates. Key events include formation of the enamel knot and cord which help pattern the crown, and differentiation of preameloblasts and odontoblasts which begin secre
Amelogenisis
The document describes the life cycle of ameloblasts and the process of amelogenesis. There are seven stages in the life cycle of ameloblasts: 1) morphogenic, 2) differentiation, 3) secretory, 4) transitional, 5) maturative, 6) protective, and 7) desmolytic. Amelogenesis involves two processes - formation of the enamel matrix through protein secretion and mineralization through hydroxyapatite deposition and maturation. Defects in amelogenesis can result from conditions like febrile diseases or tetracycline intake, producing malformed or discolored enamel. Enamel undergoes age-related changes like attrition, discoloration, and increased hardness due
Tooth development 1
The document discusses tooth development from the intrauterine life stage through the bell stage. It describes the key stages and structures involved, including the dental lamina, bud stage, cap stage, and early bell stage. During these stages, the enamel organ, dental papilla, and dental sac develop and differentiate. Structures like the enamel knot, enamel cord, and cervical loop form transiently to guide tooth morphogenesis. By the early bell stage, the inner dental epithelium induces the underlying mesenchyme to form odontoblasts, marking the beginning of dentin formation.
Cementum
Cementum is the mineralized tissue covering the roots of teeth that provides attachment for collagen fibers linking the tooth to surrounding bone. It begins at the cementoenamel junction and continues along the root to the apex. Cementum is avascular and less hard than dentin. It contains both inorganic minerals and organic materials including collagen. Cementoblast cells synthesize cementum by laying down an organic matrix that subsequently mineralizes. Cementum thickness varies along the root and increases with age. It provides for functional adaptation and resistance to resorption during orthodontic tooth movement.
Enamel
The presentation discusses about tooth enamel in detail including its formation, characteristics, structure and histological features along with its clinical considerations. It is well supported with diagrams for better understanding of the text.
Suggestions and feedback will be well appreciated.
Cementum : An integral part of the Periodontium
This document provides an overview of cementum, including its definition, physical characteristics, chemical composition, formation, classification, functions, repair capabilities, anomalies, and clinical considerations. Cementum is the mineralized tissue covering tooth roots that anchors periodontal ligament fibers and allows for tooth attachment. It is softer than dentin, continues depositing throughout life, and plays roles in tooth support, compensation, and repair of root surfaces. The document discusses the stages of cementum formation, types based on location/composition, and roles in maintaining tooth structure and occlusion. Pathologies like hypercementosis and cementoma are also summarized.
Dentine
Dentin is the mineralized hard tissue that forms the bulk of the tooth beneath enamel and cementum. It is sensitive and continues to form throughout life at the expense of the pulp. Dentinogenesis begins when the dental papilla differentiates into odontoblasts. There are three stages of odontoblast development: differentiation, secretory formation of predentin and dentin, and a resting stage. Dentin is composed of hydroxyapatite crystals embedded in a collagen matrix. It has tubules that house odontoblast processes and dentinal fluid. The structure and composition of dentin provides strength and protection for the pulp.
Pulp
The dental pulp is loose connective tissue located within the tooth. It can be divided into the coronal pulp within the crown and radicular pulp within the root. The pulp contains cellular elements like odontoblasts, fibroblasts, and defensive cells, as well as neurovascular elements. With age, the size of the pulp decreases as secondary dentin is deposited. The number of cells and vascularity also decrease with age. Accessory canals may form due to developmental processes or resorption of tissue during aging. The pulp provides nutrients and defenses to the tooth.
Root formation
The document discusses the process of root formation, including the roles of the root sheath and epithelial diaphragm. It notes that the root sheath forms from epithelial cells and encloses the primary apical foramen. As the root grows in length, the root sheath induces cells to form root dentin. The root sheath then breaks down, with remnants becoming epithelial rests of Malassez in the periodontal ligament. Abnormalities can occur if the root sheath is disrupted, preventing proper dentin formation.
Alveolar bone
The document discusses the alveolar bone, including its definition, components, development, structure, clinical applications, and appearance on x-rays. It notes that the alveolar bone contains the tooth sockets and supports the teeth. The alveolar bone proper surrounds the tooth root and is perforated by Volkmann's canals. The supporting alveolar bone consists of cortical plates and spongy bone between the plates and alveolar bone proper. The alveolar bone undergoes remodeling and modeling during tooth movement and in response to functional forces.
Root formation
This document discusses root formation in teeth. It begins by explaining that the root starts developing after the crown is complete, as epithelial cells from the inner and outer enamel epithelium proliferate to form the Hertwig's root sheath in two layers. This sheath then bends to form an epithelial diaphragm. Next, it describes how the root grows in length as the root sheath elongates below the stationary diaphragm, inducing odontoblast differentiation and dentin deposition. Finally, it notes that the epithelial root sheath breaks down after root formation, with remnants residing in the periodontium as epithelial rests of Malassez.
Tooth development
The document discusses the complex process of tooth development from initiation to eruption. It begins with the formation of the primary epithelial bands and dental lamina between 6-7 weeks in utero, which give rise to the tooth buds. The buds progress through stages of proliferation, histodifferentiation, and morphodifferentiation to form the crown and root structures. Hertwig's epithelial root sheath is responsible for root formation and shape before teeth erupt into the oral cavity.
Dentinogingival junction
The dentogingival junction is the region where the tooth is attached to the gingiva. It initially forms with the emergence of the tooth into the oral cavity, with the enamel covered by epithelium. Over time, the junction shifts apically as the epithelium separates from the enamel surface in a process called passive eruption. The junctional epithelium, which is more permeable, eventually attaches at the cementoenamel junction. In unhealthy conditions, the junction and sulcus can shift further onto the root surface, forming a pathological periodontal pocket.
Periodontal Ligament.ppt
periodontal ligament - development, structure and composition, cells and fibers of PDL, ground substance, nerve and blood supply of PDL
Periodontal Ligament
This document summarizes a presentation on the periodontal ligament given by Dr. Abhishek Gakhar. It discusses the structure, development, constituents including cells, fibers and blood/nerve supply of the periodontal ligament. The functions of the periodontal ligament and its clinical correlations are also reviewed. Diagrams illustrate the fiber groups and cells found in the periodontal ligament.
Amelogenesis
Amelogenesis is the process of enamel formation and involves four main stages: secretory, transition, maturation, and protective. During the secretory stage, ameloblasts secrete enamel matrix proteins that form an organic scaffold for enamel mineralization. In the transition stage, ameloblasts transition from a secretory to resorptive phenotype. During maturation, ameloblasts facilitate enamel crystal growth and remove enamel proteins. Finally, in the protective stage, ameloblasts protect mature enamel but have a reduced metabolic activity.
Dentinogenesis
Dentin is a hard yellowish substance that forms the bulk of teeth. It is composed of 70% hydroxyapatite crystals and 30% organic materials like collagen. Dentin is formed by odontoblasts cells differentiated from dental papilla cells. It determines the shape of teeth and contains microscopic tubules that house the processes of odontoblast cells. Dentin is harder than bone but softer than enamel. It has different layers with varying properties located at different regions of the tooth.
Eruption & shedding
This document provides an overview of tooth eruption and movement. It discusses the different phases of tooth eruption including pre-eruptive, eruptive, and post-eruptive movement. It also examines various theories of tooth eruption including root formation, bone remodeling, dental follicle, and periodontal ligament theories. The document concludes with sections on shedding of deciduous teeth, patterns of shedding, and tooth resorption and repair.
Cementum
This document provides an overview of cementum, the calcified tissue that forms the outer covering of tooth roots. It discusses the development, composition, histology, classification, and functions of cementum. Cementum begins forming at the cementoenamel junction and extends to the root apex. It is made up of inorganic hydroxyapatite and organic collagen fibers. Cementum provides a medium for periodontal ligament attachment and protects underlying dentin, helping to maintain tooth integrity under forces. It is capable of continuous deposition to repair damage or resorption on root surfaces.
Cementum
Cementum is the mineralized connective tissue covering tooth roots. It has several functions including anchoring collagen fibers from the periodontal ligament to provide attachment between the tooth and bone. Cementum can be classified based on its location, cellularity, fiber content, and other characteristics. It plays roles in adaptation, repair, and maintaining the periodontium. The cemento-enamel junction describes the interface between cementum and enamel at the cervical portion of the tooth root.
Tooth Dentin and dentinogenesis ppt
This document provides information on dentin, including its composition, formation, and types. Some key points:
- Dentin makes up the bulk of the tooth and is composed of 65% inorganic material (mainly hydroxyapatite) and 35% organic material (collagen and proteoglycans).
- Odontoblasts are cells responsible for dentin formation. Their processes extend into dentinal tubules that permeate the dentin.
- Dentin formation begins with predentin, which mineralizes to become circumpulpal dentin. Mantle dentin forms the outer layer near the enamel.
- Dentinal tubules contain peritubular dentin and connect the
Enamel composition and structure
Enamel is the hardest and most highly mineralized tissue in the body, consisting of 96% inorganic material (hydroxyapatite) and 4% organic material. It is formed through the process of amelogenesis, which involves three stages - the presecretory, secretory, and maturation stages. Ameloblasts are the cells responsible for enamel formation and organization into rods and interrod enamel. Enamel acquires its structural properties through mineral deposition and maturation over several years. Its unique composition and structure provide protection and function for teeth.
Tooth development
Tooth development occurs in stages, beginning around 5-6 weeks in the embryo. The primitive oral cavity, called the stomodium, is lined by epithelial cells that will give rise to the tooth structures. The stages can be described morphologically as the dental lamina, bud, cap and bell stages, or histophysiologically as the initiation, proliferation, histodifferentiation, morphodifferentiation and apposition stages. During the bell stage, the enamel organ induces the dental papilla cells to form odontoblasts, which deposit dentin. Reciprocally, the odontoblasts induce the enamel organ cells to form ameloblasts, which deposit enamel. For root formation, Hertwig
Eruption and shedding of teeth
- Tooth eruption is the movement of teeth through the gums and bone to appear in the mouth and allow for proper function.
- It occurs in three phases: pre-eruptive within the bone, eruptive as it emerges through the gums, and posteruptive as it aligns fully.
- Several theories exist for the mechanism of eruption including root formation, vascular pressure, and periodontal ligament traction which recent evidence supports as the driving force.
D Normal Anatomy in Dental Radiography.pptx
This document discusses normal dental anatomy and radiography. It describes the anatomy of teeth, supporting structures like the periodontal ligament and lamina dura. It also outlines the anatomical structures of the maxilla and mandible seen on radiographs, such as the intermaxillary suture, nasal spine, mental foramen and mylohyoid ridge. Different types of dental radiographs are listed including periapical, bite wing and panoramic views. Finally, it provides examples of various dental radiographic projections like the posterior-anterior skull view and waters view.
More Related Content
What's hot
Cementum
Cementum is the mineralized tissue covering the roots of teeth that provides attachment for collagen fibers linking the tooth to surrounding bone. It begins at the cementoenamel junction and continues along the root to the apex. Cementum is avascular and less hard than dentin. It contains both inorganic minerals and organic materials including collagen. Cementoblast cells synthesize cementum by laying down an organic matrix that subsequently mineralizes. Cementum thickness varies along the root and increases with age. It provides for functional adaptation and resistance to resorption during orthodontic tooth movement.
Enamel
The presentation discusses about tooth enamel in detail including its formation, characteristics, structure and histological features along with its clinical considerations. It is well supported with diagrams for better understanding of the text.
Suggestions and feedback will be well appreciated.
Cementum : An integral part of the Periodontium
This document provides an overview of cementum, including its definition, physical characteristics, chemical composition, formation, classification, functions, repair capabilities, anomalies, and clinical considerations. Cementum is the mineralized tissue covering tooth roots that anchors periodontal ligament fibers and allows for tooth attachment. It is softer than dentin, continues depositing throughout life, and plays roles in tooth support, compensation, and repair of root surfaces. The document discusses the stages of cementum formation, types based on location/composition, and roles in maintaining tooth structure and occlusion. Pathologies like hypercementosis and cementoma are also summarized.
Dentine
Dentin is the mineralized hard tissue that forms the bulk of the tooth beneath enamel and cementum. It is sensitive and continues to form throughout life at the expense of the pulp. Dentinogenesis begins when the dental papilla differentiates into odontoblasts. There are three stages of odontoblast development: differentiation, secretory formation of predentin and dentin, and a resting stage. Dentin is composed of hydroxyapatite crystals embedded in a collagen matrix. It has tubules that house odontoblast processes and dentinal fluid. The structure and composition of dentin provides strength and protection for the pulp.
Pulp
The dental pulp is loose connective tissue located within the tooth. It can be divided into the coronal pulp within the crown and radicular pulp within the root. The pulp contains cellular elements like odontoblasts, fibroblasts, and defensive cells, as well as neurovascular elements. With age, the size of the pulp decreases as secondary dentin is deposited. The number of cells and vascularity also decrease with age. Accessory canals may form due to developmental processes or resorption of tissue during aging. The pulp provides nutrients and defenses to the tooth.
Root formation
The document discusses the process of root formation, including the roles of the root sheath and epithelial diaphragm. It notes that the root sheath forms from epithelial cells and encloses the primary apical foramen. As the root grows in length, the root sheath induces cells to form root dentin. The root sheath then breaks down, with remnants becoming epithelial rests of Malassez in the periodontal ligament. Abnormalities can occur if the root sheath is disrupted, preventing proper dentin formation.
Alveolar bone
The document discusses the alveolar bone, including its definition, components, development, structure, clinical applications, and appearance on x-rays. It notes that the alveolar bone contains the tooth sockets and supports the teeth. The alveolar bone proper surrounds the tooth root and is perforated by Volkmann's canals. The supporting alveolar bone consists of cortical plates and spongy bone between the plates and alveolar bone proper. The alveolar bone undergoes remodeling and modeling during tooth movement and in response to functional forces.
Root formation
This document discusses root formation in teeth. It begins by explaining that the root starts developing after the crown is complete, as epithelial cells from the inner and outer enamel epithelium proliferate to form the Hertwig's root sheath in two layers. This sheath then bends to form an epithelial diaphragm. Next, it describes how the root grows in length as the root sheath elongates below the stationary diaphragm, inducing odontoblast differentiation and dentin deposition. Finally, it notes that the epithelial root sheath breaks down after root formation, with remnants residing in the periodontium as epithelial rests of Malassez.
Tooth development
The document discusses the complex process of tooth development from initiation to eruption. It begins with the formation of the primary epithelial bands and dental lamina between 6-7 weeks in utero, which give rise to the tooth buds. The buds progress through stages of proliferation, histodifferentiation, and morphodifferentiation to form the crown and root structures. Hertwig's epithelial root sheath is responsible for root formation and shape before teeth erupt into the oral cavity.
Dentinogingival junction
The dentogingival junction is the region where the tooth is attached to the gingiva. It initially forms with the emergence of the tooth into the oral cavity, with the enamel covered by epithelium. Over time, the junction shifts apically as the epithelium separates from the enamel surface in a process called passive eruption. The junctional epithelium, which is more permeable, eventually attaches at the cementoenamel junction. In unhealthy conditions, the junction and sulcus can shift further onto the root surface, forming a pathological periodontal pocket.
Periodontal Ligament.ppt
periodontal ligament - development, structure and composition, cells and fibers of PDL, ground substance, nerve and blood supply of PDL
Periodontal Ligament
This document summarizes a presentation on the periodontal ligament given by Dr. Abhishek Gakhar. It discusses the structure, development, constituents including cells, fibers and blood/nerve supply of the periodontal ligament. The functions of the periodontal ligament and its clinical correlations are also reviewed. Diagrams illustrate the fiber groups and cells found in the periodontal ligament.
Amelogenesis
Amelogenesis is the process of enamel formation and involves four main stages: secretory, transition, maturation, and protective. During the secretory stage, ameloblasts secrete enamel matrix proteins that form an organic scaffold for enamel mineralization. In the transition stage, ameloblasts transition from a secretory to resorptive phenotype. During maturation, ameloblasts facilitate enamel crystal growth and remove enamel proteins. Finally, in the protective stage, ameloblasts protect mature enamel but have a reduced metabolic activity.
Dentinogenesis
Dentin is a hard yellowish substance that forms the bulk of teeth. It is composed of 70% hydroxyapatite crystals and 30% organic materials like collagen. Dentin is formed by odontoblasts cells differentiated from dental papilla cells. It determines the shape of teeth and contains microscopic tubules that house the processes of odontoblast cells. Dentin is harder than bone but softer than enamel. It has different layers with varying properties located at different regions of the tooth.
Eruption & shedding
This document provides an overview of tooth eruption and movement. It discusses the different phases of tooth eruption including pre-eruptive, eruptive, and post-eruptive movement. It also examines various theories of tooth eruption including root formation, bone remodeling, dental follicle, and periodontal ligament theories. The document concludes with sections on shedding of deciduous teeth, patterns of shedding, and tooth resorption and repair.
Cementum
This document provides an overview of cementum, the calcified tissue that forms the outer covering of tooth roots. It discusses the development, composition, histology, classification, and functions of cementum. Cementum begins forming at the cementoenamel junction and extends to the root apex. It is made up of inorganic hydroxyapatite and organic collagen fibers. Cementum provides a medium for periodontal ligament attachment and protects underlying dentin, helping to maintain tooth integrity under forces. It is capable of continuous deposition to repair damage or resorption on root surfaces.
Cementum
Cementum is the mineralized connective tissue covering tooth roots. It has several functions including anchoring collagen fibers from the periodontal ligament to provide attachment between the tooth and bone. Cementum can be classified based on its location, cellularity, fiber content, and other characteristics. It plays roles in adaptation, repair, and maintaining the periodontium. The cemento-enamel junction describes the interface between cementum and enamel at the cervical portion of the tooth root.
Tooth Dentin and dentinogenesis ppt
This document provides information on dentin, including its composition, formation, and types. Some key points:
- Dentin makes up the bulk of the tooth and is composed of 65% inorganic material (mainly hydroxyapatite) and 35% organic material (collagen and proteoglycans).
- Odontoblasts are cells responsible for dentin formation. Their processes extend into dentinal tubules that permeate the dentin.
- Dentin formation begins with predentin, which mineralizes to become circumpulpal dentin. Mantle dentin forms the outer layer near the enamel.
- Dentinal tubules contain peritubular dentin and connect the
Enamel composition and structure
Enamel is the hardest and most highly mineralized tissue in the body, consisting of 96% inorganic material (hydroxyapatite) and 4% organic material. It is formed through the process of amelogenesis, which involves three stages - the presecretory, secretory, and maturation stages. Ameloblasts are the cells responsible for enamel formation and organization into rods and interrod enamel. Enamel acquires its structural properties through mineral deposition and maturation over several years. Its unique composition and structure provide protection and function for teeth.
Tooth development
Tooth development occurs in stages, beginning around 5-6 weeks in the embryo. The primitive oral cavity, called the stomodium, is lined by epithelial cells that will give rise to the tooth structures. The stages can be described morphologically as the dental lamina, bud, cap and bell stages, or histophysiologically as the initiation, proliferation, histodifferentiation, morphodifferentiation and apposition stages. During the bell stage, the enamel organ induces the dental papilla cells to form odontoblasts, which deposit dentin. Reciprocally, the odontoblasts induce the enamel organ cells to form ameloblasts, which deposit enamel. For root formation, Hertwig
What's hot (20)
Similar to Development of tooth
Eruption and shedding of teeth
- Tooth eruption is the movement of teeth through the gums and bone to appear in the mouth and allow for proper function.
- It occurs in three phases: pre-eruptive within the bone, eruptive as it emerges through the gums, and posteruptive as it aligns fully.
- Several theories exist for the mechanism of eruption including root formation, vascular pressure, and periodontal ligament traction which recent evidence supports as the driving force.
D Normal Anatomy in Dental Radiography.pptx
This document discusses normal dental anatomy and radiography. It describes the anatomy of teeth, supporting structures like the periodontal ligament and lamina dura. It also outlines the anatomical structures of the maxilla and mandible seen on radiographs, such as the intermaxillary suture, nasal spine, mental foramen and mylohyoid ridge. Different types of dental radiographs are listed including periapical, bite wing and panoramic views. Finally, it provides examples of various dental radiographic projections like the posterior-anterior skull view and waters view.
Prosthetic management of mandibulectomy and glossectomy pati/ orthodontic pra...
Prosthetic management of mandibulectomy and glossectomy pati/ orthodontic pra...Indian dental academy
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
develpment of occlusion.pptx
The document discusses the development of occlusion from birth through adulthood. It covers the pre-dentate period where gum pads are present, the primary dentition period where baby teeth erupt, the mixed dentition period where permanent teeth start coming in, and the permanent dentition period when all adult teeth have erupted. Key aspects discussed include the sequence of tooth eruption, characteristics of different dentition stages like overbite and spacing, self-correcting anomalies, and factors that influence occlusion development.
Tongue seminar presentation (2) /certified fixed orthodontic courses by India...
Tongue seminar presentation (2) /certified fixed orthodontic courses by India...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
pulp therapy in young permanent tooth
This document discusses various aspects of treating young permanent teeth with immature roots, including their development, characteristics, and treatment considerations. It begins by defining young permanent teeth as those recently erupted where root development is incomplete. It notes the importance of preserving these teeth due to their role in alveolar growth. The document then covers evaluation methods that are more accurate for immature teeth compared to typical pulp testing. It discusses various treatment options for both vital and non-vital pulp therapy aimed at maintaining the tooth. A brief history of pulp capping techniques is also provided.
Anatomical considerations for dental implants
Anatomical considerations for placing dental implants.
all the basic anatomical landmarks and considerations which are to be taken care off before and while placing a dental implant.
any type of implant it may be...wether endossous or subperiosteal or tranosteal.
lack of knowledge of basic anatomy will never lead to success of implant.
Enamel and Amelogenesis
Enamel is the hardest tissue in the body. It is formed by cells called ameloblasts secreting enamel matrix proteins. Enamel cannot renew itself because the ameloblasts are only present during tooth development. Enamel acquires a complex structural organization and high mineralization to compensate for this limitation. Enamel has a crystalline structure composed mainly of calcium and phosphate ions. It contains enamel rods that run from the dentin-enamel junction to the enamel surface. Enamel formation involves two stages - initial mineralization followed by maturation where the crystals grow in size.
Dental pulp / oral surgery courses
The Indian Dental Academy is the Leader in continuing dentaleducation , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.
ERUPTION AND SHEDDING OF TEETH.pptx
The document discusses the eruption and shedding of teeth. It describes the various phases of tooth movement during eruption including pre-eruptive, eruptive, and post-eruptive movement. It also discusses several theories for the mechanism of tooth eruption including root formation theory, hydrostatic pressure theory, bone remodeling theory, and periodontal ligament traction theory. The document outlines the chronology of eruption of primary and permanent teeth. It covers clinical considerations regarding teething and sheds primary teeth. Finally, it discusses the pattern and factors involved in the shedding of primary teeth.
Feline Dentistry Weekend Slideshare
This document provides an overview of feline dentistry and oral anatomy. It discusses feline clinical anatomy, including dental structures and directional terms. Surgical techniques like extractions and flap design are covered. Common oral diseases in cats such as periodontal disease, tooth resorption, feline stomatitis/gingivostomatitis and neoplasia are also summarized. Regional nerve blocks and their implications are briefly explained. Radiographic changes associated with periodontal disease are mentioned.
PREVENTIVE ORTHODONTICS WITH SPACE MANAGMENT.pptx
LETS PRESERVE THE SPACE WE HAVE!!PRIMARY TEETH BEING THE BEST SPACE MAINTAINER.
WHAT TO GIVE?HOW TO DECIDE?
SPACE MAINTAINERS OR SPACE REGAINERS?
Endo - Perio lesions
This document discusses endo-perio lesions, which are lesions involving both the pulp and periodontium of a tooth. It begins by describing the pathways of communication between the pulp and periodontium, including developmental canals. Factors that can contribute to or cause endo-perio lesions are then discussed. The document outlines how pulpal disease can influence the periodontium and vice versa. It also provides classifications for different types of endo-perio lesions and describes their clinical signs and diagnosis. The final sections discuss management, including treatment and prognosis, of various endo-perio lesions.
Evolution & development of periodontium 22.08.14
This document discusses the evolution and development of the periodontium. It begins by defining evolution and discussing Darwin's theory of evolution by natural selection and descent with modification. It then discusses the evolution of different parts of the periodontium, including how cementum evolved from tooth ankylosis in early humans to ligamentous suspension in mammals to allow tooth movement. It also discusses the evolution of the alveolar bone, periodontal ligament, and gingiva. The document then shifts to discussing the development of the periodontium, defining development and discussing the development of cementum, alveolar bone, periodontal ligament, and gingiva from embryonic origins. It provides details on the cellular processes involved in
Tongue & its prosthetic coniderations seminar
This document provides an overview of the anatomy of the tongue. It begins with an introduction and then covers the gross anatomy, muscles, blood supply, innervation, taste buds, and histological features of the tongue. It also discusses age-related changes and the applied anatomy of the tongue in relation to prosthodontics. Specifically, it explores how the tongue influences the stability of dentures and the neutral zone. The document concludes with a section on prosthetic considerations for the tongue.
Stages of deglutition and tongue thrusting
The presentation features the types and stages of deglutition; types, etiology, classification, diagnosis, clinical findings and management of tongue thrusting.
Dental Pulp
The document discusses the anatomy and features of dental pulp. It describes the pulp as a soft connective tissue occupying the pulp cavity at the center of teeth. The pulp is divided into coronal and radicular pulp. The coronal pulp is in the pulp chamber while the radicular pulp occupies the root canals. The document outlines the cell types found in pulp, including odontoblasts, fibroblasts, and immune cells. It also discusses the structural organization and development of pulp.
Abnormalities of teeth
This document discusses various developmental anomalies that can affect teeth. It describes environmental alterations such as Turner's hypoplasia caused by trauma or inflammation of a deciduous tooth. It also discusses developmental alterations in the number, size, shape, and structure of teeth. These include hypodontia where teeth are missing, microdontia where teeth are smaller, and amelogenesis imperfecta where the enamel is improperly formed. The document provides examples and images to illustrate different conditions like enamel pearls, dens invaginatus, and taurodontism.
final [Autosaved].pptx
The document discusses the anatomy and endodontic considerations of the maxillary sinus. It describes the maxillary sinus as a pyramid-shaped air space located within the maxilla. Due to its proximity to the roots of maxillary teeth, endodontic procedures can potentially lead to irritation or infection of the sinus mucosa. Periapical infections from teeth may also spread and cause maxillary sinusitis. Care must be taken during root canal treatment and other dental procedures near the maxillary sinus to avoid introducing contaminants that could inflame the sinus.
Habits continued/cosmetic dentistry courses
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Similar to Development of tooth (20)
Prosthetic management of mandibulectomy and glossectomy pati/ orthodontic pra...
Prosthetic management of mandibulectomy and glossectomy pati/ orthodontic pra...
Tongue seminar presentation (2) /certified fixed orthodontic courses by India...
Tongue seminar presentation (2) /certified fixed orthodontic courses by India...
Recently uploaded
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...Nguyen Thanh Tu Collection
https://app.box.com/s/qhtvq32h4ybf9t49ku85x0n3xl4jhr15ANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
Wound healing PPT
This document provides an overview of wound healing, its functions, stages, mechanisms, factors affecting it, and complications.
A wound is a break in the integrity of the skin or tissues, which may be associated with disruption of the structure and function.
Healing is the body’s response to injury in an attempt to restore normal structure and functions.
Healing can occur in two ways: Regeneration and Repair
There are 4 phases of wound healing: hemostasis, inflammation, proliferation, and remodeling. This document also describes the mechanism of wound healing. Factors that affect healing include infection, uncontrolled diabetes, poor nutrition, age, anemia, the presence of foreign bodies, etc.
Complications of wound healing like infection, hyperpigmentation of scar, contractures, and keloid formation.
Bed Making ( Introduction, Purpose, Types, Articles, Scientific principles, N...
Topic : Bed making
Subject : Nursing Foundation
Constructing Your Course Container for Effective Communication
Communicating effectively and consistently with students can help them feel at ease during their learning experience and provide the instructor with a communication trail to track the course's progress. This workshop will take you through constructing an engaging course container to facilitate effective communication.
How to Make a Field Mandatory in Odoo 17
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...Nguyen Thanh Tu Collection
https://app.box.com/s/y977uz6bpd3af4qsebv7r9b7s21935vdWalmart Business+ and Spark Good for Nonprofits.pdf
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
Mule event processing models | MuleSoft Mysore Meetup #47
Mule event processing models | MuleSoft Mysore Meetup #47
Event Link:- https://meetups.mulesoft.com/events/details/mulesoft-mysore-presents-mule-event-processing-models/
Agenda
● What is event processing in MuleSoft?
● Types of event processing models in Mule 4
● Distinction between the reactive, parallel, blocking & non-blocking processing
For Upcoming Meetups Join Mysore Meetup Group - https://meetups.mulesoft.com/mysore/YouTube:- youtube.com/@mulesoftmysore
Mysore WhatsApp group:- https://chat.whatsapp.com/EhqtHtCC75vCAX7gaO842N
Speaker:-
Shivani Yasaswi - https://www.linkedin.com/in/shivaniyasaswi/
Organizers:-
Shubham Chaurasia - https://www.linkedin.com/in/shubhamchaurasia1/
Giridhar Meka - https://www.linkedin.com/in/giridharmeka
Priya Shaw - https://www.linkedin.com/in/priya-shaw
Leveraging Generative AI to Drive Nonprofit Innovation
In this webinar, participants learned how to utilize Generative AI to streamline operations and elevate member engagement. Amazon Web Service experts provided a customer specific use cases and dived into low/no-code tools that are quick and easy to deploy through Amazon Web Service (AWS.)
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
-------------------------------------------------------------------------------
Find out more about ISO training and certification services
Training: ISO/IEC 27001 Information Security Management System - EN | PECB
ISO/IEC 42001 Artificial Intelligence Management System - EN | PECB
General Data Protection Regulation (GDPR) - Training Courses - EN | PECB
Webinars: https://pecb.com/webinars
Article: https://pecb.com/article
-------------------------------------------------------------------------------
For more information about PECB:
Website: https://pecb.com/
LinkedIn: https://www.linkedin.com/company/pecb/
Facebook: https://www.facebook.com/PECBInternational/
Slideshare: http://www.slideshare.net/PECBCERTIFICATION
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
BBR 2024 Summer Sessions Interview Training
Qualitative research interview training by Professor Katrina Pritchard and Dr Helen Williams
clinical examination of hip joint (1).pdf
described clinical examination all orthopeadic conditions .
Recently uploaded (20)
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
Bed Making ( Introduction, Purpose, Types, Articles, Scientific principles, N...
Bed Making ( Introduction, Purpose, Types, Articles, Scientific principles, N...
Constructing Your Course Container for Effective Communication
Constructing Your Course Container for Effective Communication
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
Mule event processing models | MuleSoft Mysore Meetup #47
Mule event processing models | MuleSoft Mysore Meetup #47
Leveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit Innovation
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Development of tooth
- 1. DEVELOPMENT OF D R . S H U B H A N G I M I S H R A
- 2. RUPTURE OF BUCCOPHARYNGEAL MEMBRANE Dr.Shubhangi
- 13. FATE OF PRIMARY EPITHELIAL BAND Primary epithelial band Dental lamina Distal proliferation PERMAMENT MOLARS Lingual extension (successional lamina) PERMANENT SUCCESSORS Degenerates CELLS RESTS OF SERRES Vestibular lamina ORAL VESTIBULE Dr.Shubhangi
- 16. REMEMBER NEURAL CREST CELLS? NCC + MANDIBULAR EPITHELIUM = ODONTOGENIC EPITHELIUM MESENCHYME + NEURAL CREST CELLS = ECTOMESENCHYME Dr.Shubhangi
- 17. TOOTH TYPE DETERMINATION ECTOMESENCHYMAL GENES DETERMINE! EVIDENCE: MOLAR ECTOMESENCHYME (PAPILLA) + INCISOR ENAMEL ORGAN = MOLAR DEVELOPMENT Dr.Shubhangi
- 18. TOOTH TYPE DETERMINATION ECTOMESENCHYMAL GENES DETERMINE! Dr.Shubhangi
- 20. STAGES OF TOOTH DEVELOPMENT BUD STAGE CAP STAGE BELL STAGE HERTWIG’S EPITHELIAL ROOT SHEATH AND ROOT FORMATION
- 21. STAGES OF TOOTH DEVELOPMENT Dr.Shubhangi
- 24. Low columnar cells Polygonal cells Dental papilla Dental sac Dr.Shubhangi
- 26. Outer enamel epithelium Inner enamel epithelium Dental papilla Dental sac Dental sa Stellate reticulum Dr.Shubhangi
- 27. Outer enamel epithelium Inner enamel epithelium Dental papilla Dental sac Dental sa Stellate reticulum Dr.Shubhangi
- 28. Enamel knot Enamel cord (septum) Enamel navel Dr.Shubhangi
- 30. Stratum intermedium Inner enamel epithelium Dental papilla Dental sac Cervical loop Successional lamina Outer enamel epithelium Stellate reticulum Dr.Shubhangi
- 31. Ameloblasts Forming enamel Forming pulp cavity Odontoblasts Forming dentin Cervical loop Cervical loop Dr.Shubhangi
- 33. Dr.Shubhangi
- 34. Dr.Shubhangi
- 35. Dr.Shubhangi
- 39. Dr.Shubhangi
- 42. Stratum intermedium Inner enamel epithelium Dental papilla Dental sac Cervical loop Successional lamina Outer enamel epithelium Stellate reticulum Dr.Shubhangi
- 43. Ameloblasts Forming enamel Forming pulp cavity Odontoblasts Forming dentin Cervical loop Cervical loop Dr.Shubhangi
- 45. Stratum intermedium Inner enamel epithelium Dental papilla Dental sac Cervical loop Successional lamina Outer enamel epithelium Stellate reticulum Dr.Shubhangi
- 47. Dr.Shubhangi
- 49. Try to guess the physiological stage of tooth development that could have got affected that resulted in each of the following anomalies. CLINICAL CONSIDERATIONS Dr.Shubhangi
- 52. TEETH IN ABNORMAL LOCATION Dr.Shubhangi