The document summarizes the structure and characteristics of the alveolar bone that supports teeth. It has two main parts: the cortical plates and spongy bone between them. The cortical plates are thin layers of compact bone that form the outer shells of the alveolar processes. Spongy bone fills the area between the cortical plates, containing trabeculae of bone surrounded by marrow. The alveolar bone undergoes remodeling and resorption with age, tooth movement, periodontal disease, and loss of tooth function.
Coronal and radicular pulp
Apical foramen
Accessory canal
Functions of dental pulp
Components of dental pulp
Functions of pulpal extracellular matrix
Organization of cells in the pulp
The principle cells of the pulp
The pathways of collagen synthesis
Matrix and ground substances
Vasculature and lymphatic supply
Innervation of Dentin- pulp complex
Disorders of the dental pulp
Advances in pulp vitality testing
Coronal and radicular pulp
Apical foramen
Accessory canal
Functions of dental pulp
Components of dental pulp
Functions of pulpal extracellular matrix
Organization of cells in the pulp
The principle cells of the pulp
The pathways of collagen synthesis
Matrix and ground substances
Vasculature and lymphatic supply
Innervation of Dentin- pulp complex
Disorders of the dental pulp
Advances in pulp vitality testing
alveolar bone in health with microscopic features and details about bone formation, resorption also includes bone remodelling and changes after extraction
I prepared this presentation during the first year of my MDS. This will give you a basic idea and necessary information about the pulp of the teeth and its histology. Hope you guys find it useful.
This ppt gives information about alveolar bone . I am a post graduate student from the department of periodontics and implantology , I've tried to make the topic as easy as possible. Hope it is useful for the ug students.
alveolar bone in health with microscopic features and details about bone formation, resorption also includes bone remodelling and changes after extraction
I prepared this presentation during the first year of my MDS. This will give you a basic idea and necessary information about the pulp of the teeth and its histology. Hope you guys find it useful.
This ppt gives information about alveolar bone . I am a post graduate student from the department of periodontics and implantology , I've tried to make the topic as easy as possible. Hope it is useful for the ug students.
Alveolar bone / /certified fixed orthodontic courses by Indian dental academy Indian dental academy
Welcome to 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 has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients
State of the art comprehensive training-Faculty of world wide repute &Very affordable.
Alveolar bone /certified fixed orthodontic courses by Indian dental academy Indian dental academy
Welcome to 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 has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients
State of the art comprehensive training-Faculty of world wide repute &Very affordable.
Biology of bone in complete dentures, removable partial denture, overdenturePiyaliBhattacharya10
describes the biology of bone in physiologic condition, about bone remodeling, bone resorption in complete denture, combination syndrome, bone resorption in immediate denture and overdenture
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.
Dedicated to my late professor safeer khalil whose guidance lives in our minds.professor late lady reading hospital peshawar and hayatabad medical complex peshawar
Dedicated to our late teacher professor dr umar khitab who taught us with full dedication .his legacy lives in the form of his students through out the world
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
Ethanol (CH3CH2OH), or beverage alcohol, is a two-carbon alcohol
that is rapidly distributed in the body and brain. Ethanol alters many
neurochemical systems and has rewarding and addictive properties. It
is the oldest recreational drug and likely contributes to more morbidity,
mortality, and public health costs than all illicit drugs combined. The
5th edition of the Diagnostic and Statistical Manual of Mental Disorders
(DSM-5) integrates alcohol abuse and alcohol dependence into a single
disorder called alcohol use disorder (AUD), with mild, moderate,
and severe subclassifications (American Psychiatric Association, 2013).
In the DSM-5, all types of substance abuse and dependence have been
combined into a single substance use disorder (SUD) on a continuum
from mild to severe. A diagnosis of AUD requires that at least two of
the 11 DSM-5 behaviors be present within a 12-month period (mild
AUD: 2–3 criteria; moderate AUD: 4–5 criteria; severe AUD: 6–11 criteria).
The four main behavioral effects of AUD are impaired control over
drinking, negative social consequences, risky use, and altered physiological
effects (tolerance, withdrawal). This chapter presents an overview
of the prevalence and harmful consequences of AUD in the U.S.,
the systemic nature of the disease, neurocircuitry and stages of AUD,
comorbidities, fetal alcohol spectrum disorders, genetic risk factors, and
pharmacotherapies for AUD.
Couples presenting to the infertility clinic- Do they really have infertility...Sujoy Dasgupta
Dr Sujoy Dasgupta presented the study on "Couples presenting to the infertility clinic- Do they really have infertility? – The unexplored stories of non-consummation" in the 13th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE 2024) at Manila on 24 May, 2024.
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
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These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
Recomendações da OMS sobre cuidados maternos e neonatais para uma experiência pós-natal positiva.
Em consonância com os ODS – Objetivos do Desenvolvimento Sustentável e a Estratégia Global para a Saúde das Mulheres, Crianças e Adolescentes, e aplicando uma abordagem baseada nos direitos humanos, os esforços de cuidados pós-natais devem expandir-se para além da cobertura e da simples sobrevivência, de modo a incluir cuidados de qualidade.
Estas diretrizes visam melhorar a qualidade dos cuidados pós-natais essenciais e de rotina prestados às mulheres e aos recém-nascidos, com o objetivo final de melhorar a saúde e o bem-estar materno e neonatal.
Uma “experiência pós-natal positiva” é um resultado importante para todas as mulheres que dão à luz e para os seus recém-nascidos, estabelecendo as bases para a melhoria da saúde e do bem-estar a curto e longo prazo. Uma experiência pós-natal positiva é definida como aquela em que as mulheres, pessoas que gestam, os recém-nascidos, os casais, os pais, os cuidadores e as famílias recebem informação consistente, garantia e apoio de profissionais de saúde motivados; e onde um sistema de saúde flexível e com recursos reconheça as necessidades das mulheres e dos bebês e respeite o seu contexto cultural.
Estas diretrizes consolidadas apresentam algumas recomendações novas e já bem fundamentadas sobre cuidados pós-natais de rotina para mulheres e neonatos que recebem cuidados no pós-parto em unidades de saúde ou na comunidade, independentemente dos recursos disponíveis.
É fornecido um conjunto abrangente de recomendações para cuidados durante o período puerperal, com ênfase nos cuidados essenciais que todas as mulheres e recém-nascidos devem receber, e com a devida atenção à qualidade dos cuidados; isto é, a entrega e a experiência do cuidado recebido. Estas diretrizes atualizam e ampliam as recomendações da OMS de 2014 sobre cuidados pós-natais da mãe e do recém-nascido e complementam as atuais diretrizes da OMS sobre a gestão de complicações pós-natais.
O estabelecimento da amamentação e o manejo das principais intercorrências é contemplada.
Recomendamos muito.
Vamos discutir essas recomendações no nosso curso de pós-graduação em Aleitamento no Instituto Ciclos.
Esta publicação só está disponível em inglês até o momento.
Prof. Marcus Renato de Carvalho
www.agostodourado.com
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
NYSORA Guideline
2 Case Reports of Gastric Ultrasound
Prix Galien International 2024 Forum ProgramLevi Shapiro
June 20, 2024, Prix Galien International and Jerusalem Ethics Forum in ROME. Detailed agenda including panels:
- ADVANCES IN CARDIOLOGY: A NEW PARADIGM IS COMING
- WOMEN’S HEALTH: FERTILITY PRESERVATION
- WHAT’S NEW IN THE TREATMENT OF INFECTIOUS,
ONCOLOGICAL AND INFLAMMATORY SKIN DISEASES?
- ARTIFICIAL INTELLIGENCE AND ETHICS
- GENE THERAPY
- BEYOND BORDERS: GLOBAL INITIATIVES FOR DEMOCRATIZING LIFE SCIENCE TECHNOLOGIES AND PROMOTING ACCESS TO HEALTHCARE
- ETHICAL CHALLENGES IN LIFE SCIENCES
- Prix Galien International Awards Ceremony
Acute scrotum is a general term referring to an emergency condition affecting the contents or the wall of the scrotum.
There are a number of conditions that present acutely, predominantly with pain and/or swelling
A careful and detailed history and examination, and in some cases, investigations allow differentiation between these diagnoses. A prompt diagnosis is essential as the patient may require urgent surgical intervention
Testicular torsion refers to twisting of the spermatic cord, causing ischaemia of the testicle.
Testicular torsion results from inadequate fixation of the testis to the tunica vaginalis producing ischemia from reduced arterial inflow and venous outflow obstruction.
The prevalence of testicular torsion in adult patients hospitalized with acute scrotal pain is approximately 25 to 50 percent
NVBDCP.pptx Nation vector borne disease control programSapna Thakur
NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
2. The Supporting Alveolar Bone
• The supporting alveolar bone consists of two parts:
1. Cortical plates
2. Spongy bone
3. Cortical Plates
• Cortical plates consist of compact bone and form the outer and
inner plates of the alveolar processes.
4. • The cortical plates, continuous with compact layers of the
maxillary and mandibular body, are generally much thinner in
the maxilla, than in the mandible.
• They are thickest in the premolar and molar region of the
lower jaw especially on the buccal side.
The Supporting Alveolar Bone
(Cortical plate) Contd...
8. • In the maxilla, the outer cortical plate is perforated by many
small openings through which blood and lymph vessels pass.
• In the region of the anterior teeth of both jaws, the supporting
bone usually is very thin.
• No spongy bone is found here, and the cortical plate is fused
with the alveolar proper.
• Bone underlying the gingiva is the cortical plate.
The Supporting Alveolar Bone
(Cortical plate) Contd...
9. • Both cribriform plate and cortical plate are compact bone
separated by spongy bone.
• Histologically, the cortical plates consist of lamellae and
Haversian systems.
• In the lower jaw, circumferential or basic lamellae reach from
the body of the mandible into the cortical plates.
The Supporting Alveolar Bone
(Cortical plate) Contd...
11. Spongy Bone
• Spongy bone fills the area between the cortical plates and the
alveolar proper.
• It contains trabecular of lamellar bone.
• These are surrounded by marrow that is rich in adipocytes and
pluripotent mesenchymal cells.
12.
13.
14. • The trabecular contain osteocytes in the interior and
osteoblasts or osteoclasts on the surface.
• These trabecular of the spongy bone buttress the functional
forces to which alveolar bone proper is exposed.
• The cancellous component in maxilla is more than in the
mandible.
The Supporting Alveolar Bone
(Spongy Bone) Contd...
15. • The study of radiographs permits the classification of the
spongiosa of the alveolar process into main types:
• Type l & type II
• In type I the interdental and interradicular trabeculae are
regular and horizontal in a ladder like arrangement.
The Supporting Alveolar Bone
(Spongy Bone) Contd...
16. • Type II shows irregularly arranged, numerous delicate
interdental and interradicular trabeculae.
• Both types show a variation in thickness of trabeculae and size
of marrow spaces.
• The architecture of type I is seen most often in the mandible
The Supporting Alveolar Bone
(Spongy Bone) Contd...
18. Crest of the Alveolar Septa (Alveolar Crests)
• The shape of the outlines of the crest of the alveolar septa in
the roentgenogram is dependent on the position of the adjacent
teeth.
• In a healthy mouth the distance between the cemento-enamel
junction and the free border of the alveolar bone proper is
fairly constant.
• Cortical and alveolar bone proper meet at the alveolar crest
usually 1.52 to 2 mm below the level of the comento-enamel
junction on the tooth it surrounds.
19. • If the neighboring teeth are inclined, the alveolar crest oblique.
• In the majority of individuals the inclination is most
pronounced in the premolar and molar regions, with the teeth
being tipped mesially.
• Then the cemetoenamel junction of the mesial tooth is situated
in a more occlusal plane than that of the distal tooth, and the
alveolar crest therefore slopes distally.
Crest of the Alveolar Septa
(Alveolar Crests) Contd...
20.
21. Age Changes
• Alveolar sockets appear jagged and uneven.
• The marrow spaces have fatty infiltration
• The alveolar process in edentulous jaws decreases in size.
• Loss of maxillary bone is accompanied by increase in size of the
maxillary sinus.
• Internal trabecular arrangement is more open, which indicates bone
loss.
• The distance between the crest of the alveolar bone and CEJ increases
with age—approximately by 2.81 mm.
23. Alveolar Bone In Orthodontic Treatment
• Bone, although one of the hardest tissues of the human body,
is biologically a highly plastic tissues.
• Where bone is covered by a vascularized connective tissue, it
is exceedingly sensitive to pressure, whereas tension acts
generally as a stimulus to the production of new bone.
• It is this biologic plasticity that enables the orthodontist to
move teeth without disrupting their relations to the alveolar
bone.
24. • Bone is resorbed on the side of pressure and apposed on the
side of tension, thus the entire alveolus is shift with the tooth.
• It has been shown that on the pressure side there is an increase
in the level of cyclic adenosine monophosphate (cAMP) in
cells.
• This may play some role in bone resorption.
25. • At sites of alveolar bone compression, osteoclasts proliferate
and initial resorptoin of the superficial bone take place.
• It is believed that, the initial response may involve osteoblasts
which can produce collagenolytic enzymes to remove a
portion of unmineralized extracellular matrix, thereby,
facilitating access of osteoclast precursors to the bone surface.
• At sites of tension, osteoblasts are activated to produce osteoid
that subsequently mineralizes to form new bone.
26. • Alveolar Bone In Periodontal Disease
• The most frequent and harmful change in the alveolar process
is that which is associated with periodontal disease
• It has been shown, for example, endotoxins produced by the
gram negative bacteria of the plaque lead to an increase in
cyclic adenosine monophosphate (cAMP), which increases
the osteoclastic activity.
27. Changes In Alveolar Bone Due To Functioning And Non-
functioning Teeth
• The adaptation of bone to function is quantitative as well as
qualitative.
• Whereas increase in functional forces leads to formation of
new bone, decreased function leads to a decrease in the
volume of bone.
• This can be observed in the supporting bone of teeth that have
lost their antagonists.
28. • Here the spongy around the alveolus shows pronounced
rarefaction (a decrease in density).
• The bone trabeculae are less numerous and very thin.
29. • The resorption is different in the maxilla and mandible.
• Mandible: The residual alveolar ridge resorbs downward and
outward.
• Maxilla: The resorption in upwards and inwards.
30.
31. • The cause for resorption of alveolar bone after tooth loss has
been assumed to be due to:
– Disuse atrophy
– Decreased blood supply
– Localized inflammation
– Unfavorable prosthesis pressure
32. Alveolar Bone In Healing Of Fractures
• During healing of fractures or extraction wounds, an
embryonic type of bone is formed, which only later is replaced
by mature bone.
• The embryonic bone also called immature or coarse fibrillar
bone, is characterized, among other aspects, by the greater
number, size and irregular arrangement of the osteocytes than
are found in mature bone.
33. • The greater number of cells and the reduced volume of
calcified intercellular substance render this immature bone
more radiolucent than mature bone.