Periodontitis is a chronic inflammatory disease of the tooth-supporting structures. The treatment of this condition is based on the removal of local factors and restoration of the bony architecture. Traditionally osseous surgery has been performed by either manual or motor-driven instruments. However, both these methods have their own advantages and disadvantages. Recently, a novel surgical approach using piezoelectric device has been introduced. It is a promising, meticulous and soft tissue sparing system based on low frequency ultrasonic microvibrations. The absence of macrovibration makes the instrument more manageable and allows greater intraoperative control with an increase in the cutting safety in the more difficult anatomical cutting zone. This presentation emphasizes the mechanism of action, instrumentation, advantages and limitations as well as its applications in periodontology and implantology.
Root Coverage Surgical Techniques and Criteria
factors influencing choise of surgical techniques for root coverage
Reference : Mucogingival Esthetic Surgery - Giovanni Zucchelli
Periodontitis is a chronic inflammatory disease of the tooth-supporting structures. The treatment of this condition is based on the removal of local factors and restoration of the bony architecture. Traditionally osseous surgery has been performed by either manual or motor-driven instruments. However, both these methods have their own advantages and disadvantages. Recently, a novel surgical approach using piezoelectric device has been introduced. It is a promising, meticulous and soft tissue sparing system based on low frequency ultrasonic microvibrations. The absence of macrovibration makes the instrument more manageable and allows greater intraoperative control with an increase in the cutting safety in the more difficult anatomical cutting zone. This presentation emphasizes the mechanism of action, instrumentation, advantages and limitations as well as its applications in periodontology and implantology.
Root Coverage Surgical Techniques and Criteria
factors influencing choise of surgical techniques for root coverage
Reference : Mucogingival Esthetic Surgery - Giovanni Zucchelli
Coronal advanced flap in combination with a connective tissue graft. Is the t...MD Abdul Haleem
Coronal advanced flap in combination with a connective tissue graft. Is the thickness of the flap a predictor for root coverage? - A prospective clinical study.
Department of Periodontology and Oral Implantology.
"A Journal Club Presentation"
INTRODUCTION
HISTORY
PRINCIPLES OF WORKING OF A LASER
FUNDAMENTALS OF LASER
CHARACTERISTICS OF LASER
CLASSIFICATION OF LASER
EFFECTS OF LASER ON SOFT AND HARD TISSUES
VARIOUS LASERS AVAILABLE FOR PERIDONTAL USE
APPLICATION OF LASER TREATMENT IN PERIODONTAL THERAPY
ADVANTAGES & DISADVANTAGES OF LASER IN PERIODONTAL THERAPY
LASER PRECAUTIONS
LASER HAZARDS
RECENT ADVANCES
CONCLUSION
The future of dentistry and periodontics lies in regeneration. The goals of periodontal therapy lies in not only the arrest of periodontal disease progression but also regeneration of the lost periodontal structures. This presentation provides a review of the current understanding of the regeneration of the periodontium and the procedures involved to restore the periodontal tissues around the teeth.
Coronal advanced flap in combination with a connective tissue graft. Is the t...MD Abdul Haleem
Coronal advanced flap in combination with a connective tissue graft. Is the thickness of the flap a predictor for root coverage? - A prospective clinical study.
Department of Periodontology and Oral Implantology.
"A Journal Club Presentation"
INTRODUCTION
HISTORY
PRINCIPLES OF WORKING OF A LASER
FUNDAMENTALS OF LASER
CHARACTERISTICS OF LASER
CLASSIFICATION OF LASER
EFFECTS OF LASER ON SOFT AND HARD TISSUES
VARIOUS LASERS AVAILABLE FOR PERIDONTAL USE
APPLICATION OF LASER TREATMENT IN PERIODONTAL THERAPY
ADVANTAGES & DISADVANTAGES OF LASER IN PERIODONTAL THERAPY
LASER PRECAUTIONS
LASER HAZARDS
RECENT ADVANCES
CONCLUSION
The future of dentistry and periodontics lies in regeneration. The goals of periodontal therapy lies in not only the arrest of periodontal disease progression but also regeneration of the lost periodontal structures. This presentation provides a review of the current understanding of the regeneration of the periodontium and the procedures involved to restore the periodontal tissues around the teeth.
this presentation includes different parts of SOM, How it is mounted on the wall or the floor, its advanatges and disadvantages and how a dentist should maintain the microscope for better results.
Low Vision Near Systems-Microscopes,Magnifiers & Electronic systemsHarsh Jain
Different Optical devices used in Low vision patients.
Its very important to take proper assessment and calculations for giving Optical devices like Microscopes,Magnifier etc.
The references are given.
Chronic periodontitis, formerly known as “adult periodontitis” or “chronic adult periodontitis” is the most prevalent form of periodontitis.
Chronic periodontitis has been defined as “an infectious disease resulting in inflammation within the supporting tissues of the teeth, progressive attachment loss, and bone loss”.
This definition outlines the major clinical and etiological characteristics of the disease:
Microbial plaque formation.
Periodontal inflammation.
Loss of attachment and alveolar bone.
Flap surgery, also called pocket reduction surgery. Your periodontist makes cuts in your gums to carefully fold back the tissue. This exposes the tooth roots for more effective scaling and root planning. Because periodontitis often causes bone loss, the underlying bone may be reshaped before the gum tissue is stitched back in place. After you heal, it's easier to clean the areas around your teeth and maintain healthy gum tissue.
Soft tissue grafts. When you lose gum tissue, your gumline gets lower, exposing some of your tooth roots. You may need to have some of the damaged tissue reinforced. This is usually done by removing a small amount of tissue from the roof of your mouth or using tissue from another donor source and attaching it to the affected site. This can help reduce further gum loss, cover exposed roots and give your teeth a better appearance.
Bone grafting. This procedure is performed when periodontitis destroys the bone around your tooth root. The graft may be made from small bits of your own bone, or the bone may be made of artificial material or donated. The bone graft helps prevent tooth loss by holding your tooth in place. It also serves as a platform for the regrowth of natural bone.
Guided tissue regeneration. This allows the regrowth of bone that was destroyed by bacteria. In one approach, your dentist places a special type of fabric between existing bone and your tooth. The material prevents unwanted tissue from growing into the healing area, allowing bone to grow back instead.
Tissue-stimulating proteins. Another approach involves applying a special gel to a diseased tooth root. This gel contains the same proteins found in developing tooth enamel and stimulates the growth of healthy bone and tissue.
Host modulatory therapy does not shut off the normal defence mechanism of inflammation instead, they ameliorate excessive or pathologically elevated inflammatory process to enhance the opportunities for wound healing and periodontal stability.
Pharmacological agents are used to stop the progression of periodontitis by intervention of the pathogenic mechanism.
It is used as an adjunct with conventional periodontal disease treatment.
It offers the opportunity for modulating or reducing destruction by treating chronic inflammatory response.
The concept was introduced by William and Golub in 1990.
Initially adjunctive therapies were solely anti-microbial such as use of antibiotics and antiseptics.
New approaches include modulation of host response.
Host modulatory therapy is considered as a BENCH-MARK in the treatment of patients with periodontal diseases.
Also, Useful in the following patients :
Diabetes & immunocompromised situations
peri-implant dis-ease (local and systemic efficiency of host modulatory therapy are used as an adjunct to conventional local disinfection treatment)
Although the efficacy and usefulness of host modulating agents have improved the treatment in several folds still, more research is required to make treatment response faster and to increase periodontal stability.
In the 18th century CAROLUS LINNAEUS called Carl von Linné, revolutionized the field of natural history by introducing a formalized system of naming organisms, what we call a taxonomic nomenclature.
He divided the natural world into 3 kingdoms and used five ranks : Class, Order, Genus, Species & Variety.
FROM 1977 TO 1989, THE AMERICAN ACADEMY OF PERIODONTOLOGY (AAP) WENT FROM 2 MAIN PERIODONTAL DISEASE CATEGORIES TO 5.
The 1989 Classification Had It’s Short-comings Including :
Lack of a category for strictly gingival diseases
Overlap between disease categories
Difficulty in fitting certain patients into any of the existing categories.
Similarity of microbiological and host response features.
A New Periodontal Disease Classification System Was Recommended By The 1999 International Workshop For A Classification Of Periodontal Disease And Conditions.
Periodontal abscesses, combined periodontic-endodontic problems, mucogingival deformities and occlusal trauma all remain unchanged except that they have been ordered in the classification system.
NUG and NUP were combined under the category of necrotizing periodontal diseases with no changes to their definitions.
One of the most significant changes included the addition of a detailed section on gingival diseases and lesions. Another important change was the discontinuation of terms related to age of presentation and rate of progression of the diseases.
The criteria for chronic periodontitis remain similar to those used for adult periodontitis but the age-dependent terminology has been removed.
All syndromes and systemic diseases which predispose a patient to periodontal disease would be classified under the category of “PERIODONTITIS AS A MANIFESTATION OF SYSTEMIC DISEASE”
Refractory periodontitis (low plaque scores and low responsiveness to periodontal therapy) is no longer considered a specific disease.
The 1999 classification system has been approved by the AAP, is now official terminology for that organization, and will be used in accredited graduate periodontal programs and board examinations.
The Parameters of Care approved by the AAP have adopted the new classification and future publications will use it as their standard. Since many of the 1999 workshop participants were from Europe and Asia as well as North America, it is anticipated that the proposed classification will be adopted in most parts of the world.
All of my Lectures are based on information purposes.
It is based on the viva explanation and understanding basis.
Basically for 4th BDS Professional Year.
All of my Lectures are based on information purposes.
It is based on the viva explanation and understanding basis.
Basically for 4th BDS Professional Year.
All of my Lectures are based on information purposes.
It is based on the viva explanation and understanding basis.
Basically for 4th BDS Professional Year.
A MAGNIFICENT ORTHODONTIC TREATMENT CAN BE DESTROYED BY POOR PERIODONTAL SUPPORT. EVALUATION AND MAINTENANCE OF PERIODONTAL HEALTH BEFORE, DURING AND AFTER TREATMENT IS VERY IMPORTANT.
Dr. Abhishek Gaur
BDS, MDS
Some of the slides may appear Blank/White/Black, those are the Videos that I added in the presentation.
Kindly Ignore those slides.
Dental Calculus: Short Presentation
Dr. Abhishek Gaur
BDS, MDS
Some of the slides may appear Blank/White/Black, those are the Videos that I added in the presentation.
Kindly Ignore those slides.
Dr. Abhishek Gaur
BDS, MDS
Some of the slides may appear Blank/White/Black, those are the Videos that I added in the presentation.
Kindly Ignore those slides.
Reconstructive periodontal therapy
Some of the slides may appear Blank/White/Black, those are the Videos that I added in the presentation.
Kindly Ignore those slides.
263778731218 Abortion Clinic /Pills In Harare ,sisternakatoto
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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
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.
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
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
- 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
- Link to NephroTube website: www.NephroTube.com
- Link to NephroTube social media accounts: https://nephrotube.blogspot.com/p/join-nephrotube-on-social-media.html
New Directions in Targeted Therapeutic Approaches for Older Adults With Mantl...i3 Health
i3 Health is pleased to make the speaker slides from this activity available for use as a non-accredited self-study or teaching resource.
This slide deck presented by Dr. Kami Maddocks, Professor-Clinical in the Division of Hematology and
Associate Division Director for Ambulatory Operations
The Ohio State University Comprehensive Cancer Center, will provide insight into new directions in targeted therapeutic approaches for older adults with mantle cell lymphoma.
STATEMENT OF NEED
Mantle cell lymphoma (MCL) is a rare, aggressive B-cell non-Hodgkin lymphoma (NHL) accounting for 5% to 7% of all lymphomas. Its prognosis ranges from indolent disease that does not require treatment for years to very aggressive disease, which is associated with poor survival (Silkenstedt et al, 2021). Typically, MCL is diagnosed at advanced stage and in older patients who cannot tolerate intensive therapy (NCCN, 2022). Although recent advances have slightly increased remission rates, recurrence and relapse remain very common, leading to a median overall survival between 3 and 6 years (LLS, 2021). Though there are several effective options, progress is still needed towards establishing an accepted frontline approach for MCL (Castellino et al, 2022). Treatment selection and management of MCL are complicated by the heterogeneity of prognosis, advanced age and comorbidities of patients, and lack of an established standard approach for treatment, making it vital that clinicians be familiar with the latest research and advances in this area. In this activity chaired by Michael Wang, MD, Professor in the Department of Lymphoma & Myeloma at MD Anderson Cancer Center, expert faculty will discuss prognostic factors informing treatment, the promising results of recent trials in new therapeutic approaches, and the implications of treatment resistance in therapeutic selection for MCL.
Target Audience
Hematology/oncology fellows, attending faculty, and other health care professionals involved in the treatment of patients with mantle cell lymphoma (MCL).
Learning Objectives
1.) Identify clinical and biological prognostic factors that can guide treatment decision making for older adults with MCL
2.) Evaluate emerging data on targeted therapeutic approaches for treatment-naive and relapsed/refractory MCL and their applicability to older adults
3.) Assess mechanisms of resistance to targeted therapies for MCL and their implications for treatment selection
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
The prostate is an exocrine gland of the male mammalian reproductive system
It is a walnut-sized gland that forms part of the male reproductive system and is located in front of the rectum and just below the urinary bladder
Function is to store and secrete a clear, slightly alkaline fluid that constitutes 10-30% of the volume of the seminal fluid that along with the spermatozoa, constitutes semen
A healthy human prostate measures (4cm-vertical, by 3cm-horizontal, 2cm ant-post ).
It surrounds the urethra just below the urinary bladder. It has anterior, median, posterior and two lateral lobes
It’s work is regulated by androgens which are responsible for male sex characteristics
Generalised disease of the prostate due to hormonal derangement which leads to non malignant enlargement of the gland (increase in the number of epithelial cells and stromal tissue)to cause compression of the urethra leading to symptoms (LUTS
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.
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.
3. Dr. Abhishek Gaur
BDS, MDS, F.A.G.E, (Ph. D.)
Department of Periodontics
Recent Advances
in
Surgical
Technology
Recent Advances
in
Surgical
Technology
Dr. Abhishek Gaur
BDS, MDS, F.A.G.E, (Ph. D.)
Department of Periodontics
4. Microsurgery
• Defined as a refinement in surgical technique by
which visual acuity is increased using a
microscope at magnifications exceeding 10x.
• Microsurgery is also an ergonomic methodology
in which surgical manipulations are improved
through better motor coordination.
6. Magnifying Loupes
• Dual monocular telescopes with side-by-side
lenses.
• Image formed : Stereoscopic properties.
• Principle : Convergent optical lens
• System : Keplerian optical system
7.
8. Simple Loupes
• Pair of Single Meniscus lenses.
• Limited Capabilities.
• Primitive magnifiers.
• Magnification can only be
increased by increasing lens
diameter.
• Disadvantage : Magnification
only 1.5x
9. Compound Loupes
• Multi-elemental lenses with intervening air
spaces to gain additional refracting surfaces.
• Advantage : Increased magnification with more
favourable working distance and depth of field.
• Disadvantages : Magnification not more than
3.5x.
10.
11.
12. Prism Telescopic Loupes
• Highly advanced Loupes.
• Produce better magnification, wider depths of field, longer
working distances, and larger fields of view than any other
types of Loupes.
• Prisms used : Schmidt or ‘Rooftop’ prisms; barrel of the
prism can be mounted on any eye-glass frames.
• Magnification : Above 4x
16. For practical use in periodontics, the
surgical microscope must have :
1.Manoeuvrability
2.Stability
3.Side Mounted Illumination
17.
18.
19.
20.
21. Periodontal Microsurgery
Periodontal microsurgery introduces the potential for a less
invasive surgical approach in periodontics.
This includes :
1.Root preparations
2.Surgery under Magnification
3.Microsurgical Instruments
4.Ergonomics (hand & Body Postures)
5.LASERS in Dentistry