Periodontitis is a complex infection initiated by bacteria –tissue destruction.
Host: the organism from which a parasite obtains its nourishment/ an individual who receives a graft
Modulation: the alteration of function or status of something in response to a stimulus or an altered physical or chemical environment
Periodontitis is a complex infection initiated by bacteria –tissue destruction.
Host: the organism from which a parasite obtains its nourishment/ an individual who receives a graft
Modulation: the alteration of function or status of something in response to a stimulus or an altered physical or chemical environment
REFERENCES TAKEN FROM CARRANZA'S TEXTBOOK OF CLINICAL PERIODONTOLOGY AND LINDHE'S TEXTBOOK OF CLINICAL PERIODONTOLOGY AND IMPLANT DENTISTRY. CONTAINS ENOUGH AND MORE DETAILS OF THIS TOPIC FOR BDS STUDENTS.HOPE THIS PRESENTATION WILL HELP U GAIN SOME KNOWLEDGE ABOUT PERIODONTAL PLASTIC AND ESTHETIC DENTISTRY.
In periodontology, classifications are widely used to categorize defects due to periodontitis according to their etiology, diagnosis, treatment and prognosis.
Several classifications have been proposed in the literature in order to facilitate the diagnosis of gingival recessions.
INTRODUCTION
DEFINITION
TYPES OF TRAUMA FROM OCCLUSION
GLICKMAN CONCEPT
WAERHAUG CONCEPT
STAGES OF TISSUE RESPONSE TO INJURY
CLINICAL AND RADIOGRAPHIC FEATURES OF TFO
CLINICAL DIAGNOSIS OF TFO
TFO AND IMPLANTS
TREATMENT OF TFO
CONCLUSION
REFRENCES
Gingivectomy and gingivoplasty are the periodontal surgical procedures. It was first introduced by Pierre fauchard. It is used in pocket elimination by gingival resection whereas gingivoplasty refers to recontouring of gingiva in the absence of pockets.
Phase I periodontal therapy is the first in the chronologic sequence of procedures that constitute periodontal treatment. It is also referred to as cause related therapy or non-surgical periodontal therapy.
REFERENCES TAKEN FROM CARRANZA'S TEXTBOOK OF CLINICAL PERIODONTOLOGY AND LINDHE'S TEXTBOOK OF CLINICAL PERIODONTOLOGY AND IMPLANT DENTISTRY. CONTAINS ENOUGH AND MORE DETAILS OF THIS TOPIC FOR BDS STUDENTS.HOPE THIS PRESENTATION WILL HELP U GAIN SOME KNOWLEDGE ABOUT PERIODONTAL PLASTIC AND ESTHETIC DENTISTRY.
In periodontology, classifications are widely used to categorize defects due to periodontitis according to their etiology, diagnosis, treatment and prognosis.
Several classifications have been proposed in the literature in order to facilitate the diagnosis of gingival recessions.
INTRODUCTION
DEFINITION
TYPES OF TRAUMA FROM OCCLUSION
GLICKMAN CONCEPT
WAERHAUG CONCEPT
STAGES OF TISSUE RESPONSE TO INJURY
CLINICAL AND RADIOGRAPHIC FEATURES OF TFO
CLINICAL DIAGNOSIS OF TFO
TFO AND IMPLANTS
TREATMENT OF TFO
CONCLUSION
REFRENCES
Gingivectomy and gingivoplasty are the periodontal surgical procedures. It was first introduced by Pierre fauchard. It is used in pocket elimination by gingival resection whereas gingivoplasty refers to recontouring of gingiva in the absence of pockets.
Phase I periodontal therapy is the first in the chronologic sequence of procedures that constitute periodontal treatment. It is also referred to as cause related therapy or non-surgical periodontal therapy.
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.
Endodontic periodontic lesions / rotary endodontic courses by indian dental...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.
Diagnosis & treatment plan for periimplant desease/ dental implant coursesIndian 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.for more details please visit
www.indiandentalacademy.com
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
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.
Controversies in periodontics / /certified fixed orthodontic courses by India...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.
Controversies in periodontics 1 /certified fixed orthodontic courses by Ind...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.
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
Taurodontism is a rare dental anomaly in which the involved tooth has an enlarged and elongated body and pulp chamber
with apical displacement of the pulpal floor. Endodontic treatment of a taurodont tooth is challenge to a clinician and
requires special handling because of the proximity and apical displacement of the roots. The present article describes the
diagnosis and management of hypertaurodontism by endodontic treatment in a left mandibular second molar.
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
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
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
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.
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- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
- Video recording of this lecture in Arabic language: https://youtu.be/Ve4P0COk9OI
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
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Lung Cancer: Artificial Intelligence, Synergetics, Complex System Analysis, S...Oleg Kshivets
RESULTS: Overall life span (LS) was 2252.1±1742.5 days and cumulative 5-year survival (5YS) reached 73.2%, 10 years – 64.8%, 20 years – 42.5%. 513 LCP lived more than 5 years (LS=3124.6±1525.6 days), 148 LCP – more than 10 years (LS=5054.4±1504.1 days).199 LCP died because of LC (LS=562.7±374.5 days). 5YS of LCP after bi/lobectomies was significantly superior in comparison with LCP after pneumonectomies (78.1% vs.63.7%, P=0.00001 by log-rank test). AT significantly improved 5YS (66.3% vs. 34.8%) (P=0.00000 by log-rank test) only for LCP with N1-2. Cox modeling displayed that 5YS of LCP significantly depended on: phase transition (PT) early-invasive LC in terms of synergetics, PT N0—N12, cell ratio factors (ratio between cancer cells- CC and blood cells subpopulations), G1-3, histology, glucose, AT, blood cell circuit, prothrombin index, heparin tolerance, recalcification time (P=0.000-0.038). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and PT early-invasive LC (rank=1), PT N0—N12 (rank=2), thrombocytes/CC (3), erythrocytes/CC (4), eosinophils/CC (5), healthy cells/CC (6), lymphocytes/CC (7), segmented neutrophils/CC (8), stick neutrophils/CC (9), monocytes/CC (10); leucocytes/CC (11). Correct prediction of 5YS was 100% by neural networks computing (area under ROC curve=1.0; error=0.0).
CONCLUSIONS: 5YS of LCP after radical procedures significantly depended on: 1) PT early-invasive cancer; 2) PT N0--N12; 3) cell ratio factors; 4) blood cell circuit; 5) biochemical factors; 6) hemostasis system; 7) AT; 8) LC characteristics; 9) LC cell dynamics; 10) surgery type: lobectomy/pneumonectomy; 11) anthropometric data. Optimal diagnosis and treatment strategies for LC are: 1) screening and early detection of LC; 2) availability of experienced thoracic surgeons because of complexity of radical procedures; 3) aggressive en block surgery and adequate lymph node dissection for completeness; 4) precise prediction; 5) adjuvant chemoimmunoradiotherapy for LCP with unfavorable prognosis.
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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
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
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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
2. Dr Jaffar Raza Syed Page 2
Periodontal Pockets
“Pocket can be defined as deepening of the gingival sulcus.”
Pseudo-pocket Coronal migration of the marginal gingiva
True pocket Deepening due to apical migration of the junctional epithelium
4. Dr Jaffar Raza Syed Page 4
ClassificationOf Pockets
1. Depending upon its morphology
a. Gingival/false/relative pocket.
b. Periodontal/absolute/true pocket.
c. Combined pocket.
5. Dr Jaffar Raza Syed Page 5
2. Depending upon its relationship to crestal bone
a. Suprabony/supracrestal/supra-alveolar pocket.
b. Infrabony/intrabony/subcrestal/intra-alveolar pocket.
6. Dr Jaffar Raza Syed Page 6
3. Depending upon the number of surfaces involved:
a. Simple pocket—involving one tooth surface.
b. Compound pocket—involving two or more tooth surfaces.
c. Complex pocket—where the base of the pocket is not in direct communication
with the gingival margin. It is also known as spiral pocket.
7. Dr Jaffar Raza Syed Page 7
4. Depending upon the nature of the soft tissue wall of the pocket
a. Edematous pocket.
b. Fibrotic pocket.
5. Depending upon the disease activity
a. Active pocket.
b. Inactive pocket.
8. Dr Jaffar Raza Syed Page 8
CLINICAL FEATURES
Enlarged, bluish-red marginal gingiva with a ‘rolled’ edge
A break in the faciolingual continuity of the interdental gingiva.
Shiny, discolored and puffy gingiva associated with exposed root surfaces.
Gingival bleeding, purulent exudate from the gingival margin.
Mobility,extrusionand migrationof teeth.
The development of diastema where none had existed previously.
9. Dr Jaffar Raza Syed Page 9
Symptoms
Localized pain or a sensationof pressure in the gingival after eating, which
gradually diminishes.
A foul taste in localized areas.
A tendency to suck material from the interproximal spaces.
Radiating pain “deep in the bone”.
A “gnawing’ feeling or feeling of itching in the gums.
The urge to dig a pointed instrument into the gums and
relief is obtained from the resultant bleeding.
Patient complains that food “sticks between the teeth”
or that the teeth “feel loose”or a preference to “eat on the other side.”
Sensitivity to heat and cold; toothache in the absence of caries.
15. Dr Jaffar Raza Syed Page 15
Changes in the SoftTissue Wall
blood vessels are engorged and dilated
connective tissue is edematous and densely infiltrated with
plasma cells (80%), lymphocytes and PMNL
epithelium along the lateral wall of the pocket presents striking proliferative
and degenerative changes
epithelial projection extends deep into the connective tissue and also extends
further apically than the junctional epithelium.
16. Dr Jaffar Raza Syed Page 16
The epithelium is infiltrated with leukocytes and other inflammatory cells.
Degeneration and necrosis of the epithelium leading to ulceration of the
epithelium and exposure of the underlying connective tissue.
Bacterial invasion along the lateral and apical areas of the pocket.
Some bacteria traverse the basement lamina and invade the subepithelial
connective tissue
17. Dr Jaffar Raza Syed Page 17
Pocket contents
Mainly debris consisting of
microorganisms and their products
(enzymes, endotoxins, and other metabolic products),
gingivalfluid,
food remnants,
salivary mucin,
desquamatedepithelial cells,
leukocytes.
Plaque-covered calculus projecting from tooth surface.
Purulent exudate consists of
living, degenerated, and necrotic leukocytes;
living and dead bacteria;
serum
18. Dr Jaffar Raza Syed Page 18
Zones In The Base Of A Periodontal Pocket
19. Dr Jaffar Raza Syed Page 19
Relation of Loss of Attachment and Bone Loss to Pocket Depth
Pocket of same depth may be associated with different degree of attachment loss.
Pocket of different depth may be associated with same amount of attachment loss.
Area between the base of the pocket and the alveolar bone is always constant.
The radius of action of the plaque bacteria is 0.5 to 2.7 mm
21. Dr Jaffar Raza Syed Page 21
TREATMENT OF PERIODONTAL POCKET
I. Treatment of pocket depends on the type of pocket
22. Dr Jaffar Raza Syed Page 22
II. Treatment of suprabony and infrabony pockets
23. Dr Jaffar Raza Syed Page 23
New attachment techniques:
It offers ideal result by reuniting the gingiva to the tooth at a position
Coronal to the base of pre-existing pocket.
Here all the structures of lost periodontium are restored.
Following are the techniques for new attachment:
Non-graft associated new attachment procedures.
Graft associated new attachment procedures.
Combined techniques.
24. Dr Jaffar Raza Syed Page 24
Removal of pocket wall by,
1. Retraction or shrinkage, e.g. scaling and root planing.
2. Surgical removal by gingivectomy or by means of an undisplaced flap.
3. Apical displacement of pocket wall by apically displaced flap.
Removal of the tooth side of the pocket,
by tooth extraction or partial tooth extraction such as
hemisection or root resection.
Bicuspidization