This document discusses periodontal pockets, including their classification, clinical features, pathogenesis, and treatment. Periodontal pockets are classified based on their morphology, relationship to crestal bone, number of tooth surfaces involved, nature of the soft tissue wall, and disease activity. Clinical features include enlarged gingiva and signs of inflammation. Pathogenesis involves changes in the soft tissue wall and pocket contents. Treatment depends on the type of pocket, and may include techniques to promote new attachment like non-graft or graft procedures.
Bone loss and patterns of bone destructionvidushiKhanna1
- introduction
- bone resorption
- factors causing bone destruction in periodontal disease
-- destruction by extension of gingival inflammation
--- histopathology
--- pathways of spread of inflammation
--- radius of action
--- periods of destruction
---- mechanism of destruction
-- bone destruction caused by TFO
-- bone destruction caused by systemic disorders
- factors determining bone morphology in periodontal disease
-- normal variation of alveolar bone
-- exostosis
-- butressing bone formation
-- food impaction
-- agressive periodontitis
- patterns of bone destruction
-- horizontal bone loss
-- vertical or angular defects
-- osseous craters
-- bulbous bone contours
-- reversed architecture
-- ledges
- furcation involvement
-- classification
-conclusion
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
BASIC CONCEPTS OF INFLAMMATION-STAGES OF INFLAMMATION-ALL ABOUT GINGIVAL INFLAMMATION-CLINICAL FEATURES AND STAGES OF GINGIVITIS-HOW TO MANAGE-ALL IN ONE-FOR B.D.S LEVEL PROJECTS AND SEMINARS
Bone loss and patterns of bone destructionvidushiKhanna1
- introduction
- bone resorption
- factors causing bone destruction in periodontal disease
-- destruction by extension of gingival inflammation
--- histopathology
--- pathways of spread of inflammation
--- radius of action
--- periods of destruction
---- mechanism of destruction
-- bone destruction caused by TFO
-- bone destruction caused by systemic disorders
- factors determining bone morphology in periodontal disease
-- normal variation of alveolar bone
-- exostosis
-- butressing bone formation
-- food impaction
-- agressive periodontitis
- patterns of bone destruction
-- horizontal bone loss
-- vertical or angular defects
-- osseous craters
-- bulbous bone contours
-- reversed architecture
-- ledges
- furcation involvement
-- classification
-conclusion
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
BASIC CONCEPTS OF INFLAMMATION-STAGES OF INFLAMMATION-ALL ABOUT GINGIVAL INFLAMMATION-CLINICAL FEATURES AND STAGES OF GINGIVITIS-HOW TO MANAGE-ALL IN ONE-FOR B.D.S LEVEL PROJECTS AND SEMINARS
Systemic Peridoontology, link between systemic health and periodontology, diabetes and periodontology, Pregnancy and Peridotology,Nutrition and periodontology
Combined endodontic periodontic treatment of a palatal groove/ dental implant...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.
A detailed description about endo perio interrelationship, including introduction, development and etiology, historical aspects, definition, classification, diagnosis, differential diagnosis, management, special consideration in management,controversies prognosis, conclusion.
Certains medications have been associated with gingival enlargement.
the seminar gives a complete analysis of etilogy and pathogenesis involved in digo as well as sequlae of it
Dentists play an important role in the diagnosis and management of desquamative gingivitis. The importance of being able to recognise and properly diagnose this condition is accentuated by the fact that a serious and life threatening disease may initially manifest as desquamative gingivitis.
this ppt depicts pattern of bone destruction. its a very good slide show showing the process of bone formation, bone destruction and their patterns in periodontal diseases.
Systemic Peridoontology, link between systemic health and periodontology, diabetes and periodontology, Pregnancy and Peridotology,Nutrition and periodontology
Combined endodontic periodontic treatment of a palatal groove/ dental implant...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.
A detailed description about endo perio interrelationship, including introduction, development and etiology, historical aspects, definition, classification, diagnosis, differential diagnosis, management, special consideration in management,controversies prognosis, conclusion.
Certains medications have been associated with gingival enlargement.
the seminar gives a complete analysis of etilogy and pathogenesis involved in digo as well as sequlae of it
Dentists play an important role in the diagnosis and management of desquamative gingivitis. The importance of being able to recognise and properly diagnose this condition is accentuated by the fact that a serious and life threatening disease may initially manifest as desquamative gingivitis.
this ppt depicts pattern of bone destruction. its a very good slide show showing the process of bone formation, bone destruction and their patterns in periodontal diseases.
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.
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.
Prostho perio/ orthodontic practice/ orthodontic continuing educationIndian 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.
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.
Dental anomolies /certified fixed orthodontic courses by Indian dental academy 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
Maxillofacial trauma mandible /certified fixed orthodontic courses by Indian ...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
Prosthodontic rehabilitation of the mandibulectomy patient/endodontic 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
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
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.
Title: Sense of Taste
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 structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
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
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
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
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
How STIs Influence the Development of Pelvic Inflammatory Disease.pptx
023.periodontal pocket
1. Dr Jaffar Raza Syed Page 1
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
2. Dr Jaffar Raza Syed
Classification Of Pockets
1. Depending upon its morphology
a. Gingival/false/relative pocket.
b. Periodontal/absolute/true pocket.
c. Combined pocket.
Classification Of Pockets
Depending upon its morphology
.
b. Periodontal/absolute/true pocket.
Page 2
3. Dr Jaffar Raza Syed
2. Depending upon its relationship to crestal bone
a. Suprabony/supracrestal/supra
b. Infrabony/intrabony/subcrestal/intra
ship to crestal bone
acrestal/supra-alveolar pocket.
abony/subcrestal/intra-alveolar pocket.
Page 3
4. Dr Jaffar Raza Syed
3. Depending upon the number of surfaces involved
a. Simple pocket—involving one
b. Compound pocket—involving two or more tooth
c. Complex pocket—where the base of the pocket is
with the gingival margin. It is also known as
Depending upon the number of surfaces involved:
involving one tooth surface.
involving two or more tooth surfaces.
where the base of the pocket is not in direct communication
margin. It is also known as spiral pocket.
Page 4
not in direct communication
5. Dr Jaffar Raza Syed Page 5
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.
6. Dr Jaffar Raza Syed Page 6
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, extrusion and migration of teeth.
The development of diastema where none had existed previously.
7. Dr Jaffar Raza Syed Page 7
Symptoms
Localized pain or a sensation of 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.
12. Dr Jaffar Raza Syed Page 12
Changes in the Soft Tissue 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.
13. Dr Jaffar Raza Syed Page 13
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
14. Dr Jaffar Raza Syed Page 14
Pocket contents
Mainly debris consisting of
microorganisms and their products
(enzymes, endotoxins, and other metabolic products),
gingival fluid,
food remnants,
salivary mucin,
desquamated epithelial cells,
leukocytes.
Plaque-covered calculus projecting from tooth surface.
Purulent exudate consists of
living, degenerated, and necrotic leukocytes;
living and dead bacteria;
serum
15. Dr Jaffar Raza Syed
Zones In The Base Of A Periodontal PocketPeriodontal Pocket
Page 15
16. Dr Jaffar Raza Syed Page 16
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
18. Dr Jaffar Raza Syed
TREATMENT OF PERIODONTAL POCKE
I. Treatment of pocket depends on the type of pocket
REATMENT OF PERIODONTAL POCKET
Treatment of pocket depends on the type of pocket
Page 18
19. Dr Jaffar Raza Syed
II. Treatment of suprabony and infrabony pocketTreatment of suprabony and infrabony pockets
Page 19
20. Dr Jaffar Raza Syed Page 20
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.
21. Dr Jaffar Raza Syed Page 21
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