Anatomy of the pulp space
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The document discusses the anatomy and terminology related to the pulp space within teeth. It describes the different components that make up the pulp space, including the pulp chamber, pulp horns, root canal, lateral canals, apical foramen and others. It also discusses variations in root canal morphology, histology of the pulp, and functions of the pulp tissue.
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The periodontal ligament is the soft connective tissue between the cementum and alveolar bone. It has an hourglass shape that is thinnest in the middle and widens coronally and apically. During tooth eruption, fibroblasts produce collagen fibers that develop into principal fiber groups including the transseptal, alveolar crest, horizontal, oblique, apical, and interradicular fibers. The periodontal ligament contains collagen fibers, cellular elements like fibroblasts, and ground substances such as glycosaminoglycans. It functions to support the tooth, sense pressure, and maintain attachment through Sharpey's fibers embedded in the cementum and bone.
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This document discusses various clinical considerations related to tooth development, eruption, and shedding. It begins with an introduction on tooth composition and classifications of developmental defects. It then examines specific defects that can occur during different stages of tooth development, such as anodontia, supernumerary teeth, gemination and fusion during the initiation stage. Enamel hypoplasia, dens invaginatus, taurodontism and amelogenesis imperfecta are among the defects discussed during the apposition stage. Syndromes associated with certain defects and systemic diseases that can cause tooth abnormalities are also reviewed.
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Working length determination
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Neurophysiology of pulp
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Dental pulp
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.
Anatomy of pulp space
The pulp cavity is the central cavity within a tooth and is entirely enclosed by dentin except at apical foramen.
It is divided into:
1. Coronal portion pulp chamber
2. Radicular portion root canal
PULP CHAMBER
ROOF OF PULP CAVITY: consists of dentin covering the pulp chamber occlussaly or incisally.
PULP HORN : Accentuation of the roof of pulp chamber directly under a cusp or developmental lobe.
FLOOR OF PULP CHAMBER: runs parallel to the roof and consists of dentin bounding the pulp chamber near cervical area of tooth, particularly dentin forming the furcation area.
CANAL ORIFICES: openings in the floor of pulp chamber leading to the root canals.
ROOT CANALS
Portion of the pulp cavity from the canal orifice to the apical foramen
Divided into 3 section( for convenience)
Coronal third
Middle third
Apical third
The root canal curvature
Straight canal extending with minimal apical curvature
Gradual curvature of canal with straight apical ending
Gradual curvature of entire canal
Sharp curvature of canal near the apex
Success of negotiating narrow curved canal depends on
Degree of curvature
Size and constriction of root canal
Size and flexibility of endodontic instrument blade
Skill of operator
Classification based on canal cross-section
Round/circular
Oval
Long oval
Flattened(flat/ribbon)
Irregular
Vertucci’s Classification
Weine’s Classification
ISTHMUS
A narrow passage or anatomic part connecting two larger structures (root canals)
APICAL FORAMEN
In young incompletely developed teeth the apical foramen is funnel shaped with wider portion extending outward
As root develops the apical foramen becomes narrower
Apical foramen is not the most constricted part of root apex\apical foramen is not always located at the centre of the root apex
LATERAL CANALS AND ACCESSARY FORAMINA
Lateral canals frequently occur in apical third of root
May occur in areas of bifurcation and trifurcation of multirooted teeth
With increasing age, number of accessory foramina reduce due to calcification of contained soft tissue
INFLUENCE OF AGING
METHODS OF DETERMINING PULP ANATOMY
CLINICAL METHODS
Anatomy studies
Radiographs
Explorations
High resolution compound tomography
Visualisation endogram
Fiberoptic endoscope
Magnetic resonance imaging
IN VITRO METHODS
sectioning of teeth
use of dyes
Contrasting media
Scanning electron microscope analysis
VARIATIONS IN INTERNAL ANATOMY
Variations in development
Gemination
Fusion
Concrescence
Taurodontism
Talon’s cusp
Dilaceration
Extra root canal
Dens invaginatus
Dens evaginatus
Maxillary Central Incisor
Maxillary Lateral Incisor
Maxillary Canine
Mandibular Central and Lateral Incisors
Mandibular Canine
Maxillary First Premolar
Maxillary Second Premolar
The typical second premolar has one
root and one canal and sometimes
has an apical distal curvature.
The Type I canal form is p
Internal anatomy of permanent/ orthodontic course by indian dental academy
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PULP SPACE (Dr. SONA)
The document discusses the anatomy of the pulp space, including its components and classifications. It begins with an introduction and objectives. The components of the pulp space are then defined, including the coronal and radicular pulp. Various terminologies used in describing pulp space anatomy are provided. The classifications of pulp space and canal configurations according to different authors are presented. Techniques for visualizing internal anatomy are also mentioned. Details on specific tooth anatomy are then provided. [END SUMMARY]
Oral cavity anatomy and histology
The oral cavity is lined by mucous membrane and bounded by the hard palate superiorly and the lips anteriorly. It contains the teeth and is continuous posteriorly with the oropharynx. The roof consists of the hard and soft palates while the floor contains the tongue and muscles. The oral cavity contains various papillae on the dorsal tongue surface that contain taste buds and glands. Teeth develop from the dental lamina and consist of enamel, dentin, cementum and pulp.
Morphology and internal anatomy of root canal system
The document discusses the morphology and anatomy of root canal systems. It describes the two main components - the pulp chamber located in the crown and the root canal located in the root. It then provides details on the structures within these components such as the roof, floor, canals and foramina. The document also classifies root canal configurations and discusses individual tooth anatomy for maxillary and mandibular teeth, describing their average lengths, pulp chamber and root/canal structures.
dental pulp...humayun afridi taif saqib
This document provides information about the dental pulp. It begins with definitions, morphology, development, and histology. It describes the pulp as a richly vascularized and innervated connective tissue contained within the dentin. It details the different zones of the pulp from the odontoblastic zone to the central zone. It discusses the cellular elements like odontoblasts and fibroblasts, neurovascular components, and age-related changes like reduction in size and sensitivity. In summary, the document is a comprehensive overview of the anatomy, histology, development and functions of the dental pulp.
E.N.T.Throat.(dr.mwayad)
The oral cavity extends from the lips to the palatoglossal arches. It is lined with mucous membrane and consists of the vestibule and oral cavity proper. Bones like the maxillae and mandible form part of its skeletal framework. Structures in the oral cavity include the lips, gingivae, teeth, palate, floor of the mouth, tongue, and cheeks. The oral cavity drains to lymph nodes like the submental, submandibular, and jugulodiagastric nodes. The oral mucosa lines the mouth and is continuous with the skin and pharyngeal mucosa.
Oral-Histology-pulp-converted (1).pdf
The dental pulp occupies the center of each tooth and consists of soft connective tissue. The pulp has two main parts - the coronal pulp in the crown and the radicular pulp in the root. The coronal pulp contains pulp horns that extend into tooth cusps, while the radicular pulp extends from the crown down the root canal. Blood vessels and nerves enter the pulp through the apical foramen at the root tip. With age, dentin deposition causes the pulp to shrink. Accessory canals may also form connections between the pulp and periodontium. The pulp contains fibroblasts, odontoblasts that form dentin, undifferentiated cells, and defense cells. It functions in tooth development
Oral mucosa part 2
The document discusses different types of oral mucosa, including masticatory mucosa, lining mucosa, and specialized mucosa. It describes the gingiva, hard palate, lining mucosa of the lips, cheeks and other areas. It also discusses junctions like the mucogingival junction and mucocutaneous junction. Finally, it covers the specialized mucosa of the tongue, including the different types of papillae and taste buds.
Anatomy and physiology of upper gi tract
The document provides an overview of the anatomy and physiology of the upper GI tract. It begins with an introduction that defines the upper GI tract as extending from the mouth to the duodenojejunal junction. It then describes the structures of the oral cavity including the teeth, tongue, palate, salivary glands, and tonsils. Next, it discusses the anatomy of the stomach, esophagus, and small intestine. For each structure, it details the components, layers, blood supply and innervation.
Dentin pulp complex
The dentin-pulp complex refers to dentin and pulp as a single functional unit, as they are embryologically and histologically related tissues. Dentin and pulp have a common origin from the dental papilla. The pulp contains cells, fibers, and blood vessels surrounded by dentin, which is produced by odontoblast cells located within the pulp. Throughout life, dentin continues to form through the activity of odontoblasts.
Root canal anatomy for anterior teeth
The document discusses root canal anatomy, terminology, morphology, and access cavity preparation for anterior teeth. It describes the typical root canal configuration starting at the orifice and ending at the foramen, as well as common variations. Key steps for access cavity preparation include understanding internal anatomy, evaluating the cementoenamel junction and occlusal anatomy, removing caries and defective restorations, and achieving straight-line access to locate all
Salivary glands .pdf
This document provides an overview of the salivary glands, including their anatomy, histology, development, functions, and common disorders. It describes the three major paired salivary glands - the parotid, submandibular, and sublingual glands - as well as the numerous minor salivary glands found in the oral cavity. The roles of saliva in lubricating food, aiding digestion, protecting teeth, and maintaining oral health are summarized. Developmental processes, secretory mechanisms, and potential issues affecting the salivary glands are also briefly outlined.
Salivary Glands by DR. C.P. ARYA ( B.Sc. ;B.D.S. ;M.D.S. ;P.M.S. ;R.N.T.C.P.)
SALIVARY GLANDS
introduction
classification
parotid
submandibular
sublingual
function
salivary ducts
disorders of salivary glands
Dental pulp
This document discusses the anatomy, histology, and functions of the dental pulp. It begins by describing the development of the dental papilla and enamel organ during embryogenesis. It then details the four distinct histological zones of the pulp, including the odontoblastic, cell-free, cell-rich, and pulp core zones. Other topics covered include the pulp's vascular, nervous, and lymphatic supply, as well as the composition of its intercellular substance and cells such as odontoblasts, fibroblasts, and defense cells. The document concludes by discussing regressive changes in the aging pulp and applied aspects of pulp preservation during restorative procedures.
Anatomy of canines and premolars (ENDO)
tooth morphology ,, access cavity ,, canal configuration
Done by : Weam Mahmoud
Future dentist ^_^
Pulp
The dental pulp is the soft tissue contained within the pulp chamber and root canals of teeth. It is composed of loose connective tissue and nerves that provide sensation and nourishment to the tooth. The pulp contains cells such as odontoblasts, fibroblasts, macrophages, and stem cells embedded within an extracellular matrix. Odontoblasts are responsible for dentin formation and maintenance. With age, the pulp undergoes regressive changes like fibrosis, calcification in the form of pulp stones, and decreased cellularity. Diseases like caries, trauma, and chemical irritation can lead to inflammation of the pulp tissue.
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Anatomy of the pulp space
- 9. Apical foramen Lateral canals Furcation canals Pulp chamber Pulp horn Floor Roof
- 35. Pre dentin Odontoblasts layer Cell free zone Cell rich zone Pulp core