In this lecture I explain the basic concept of root canal filling or what called obturation. The lectures discuss different techniques used in that matter in step-by-step fashion and explanatory pictures.
It is directed to the level of undergraduate mind.
Electronic apex locator by dr.imran m.shaikhImran Shaikh
. Knowledge of apical anatomy, prudent use of radiographs and the correct use of an electronic apex locator will assist practitioners to achieve predictable results.
The second phase of a root canal treatment.
This presentation covers the most basic techniques of root canal shaping.
provides the reader with a concise overview of the big picture.
In this lecture I explain the basic concept of root canal filling or what called obturation. The lectures discuss different techniques used in that matter in step-by-step fashion and explanatory pictures.
It is directed to the level of undergraduate mind.
Electronic apex locator by dr.imran m.shaikhImran Shaikh
. Knowledge of apical anatomy, prudent use of radiographs and the correct use of an electronic apex locator will assist practitioners to achieve predictable results.
The second phase of a root canal treatment.
This presentation covers the most basic techniques of root canal shaping.
provides the reader with a concise overview of the big picture.
Biologic width - Importance in Periodontal and Restorative DentistryDr.Shraddha Kode
Biologic width plays a vital role for preservation of the periodontal health. This concept involves the dimensions of the epithelial and connective tissue attachment between the base of the sulcus and the alveolar crest which if involved can lead to gingival inflammation and gingival recession.
Protaper means progressively taper.
•NiTi
Protaper means progressively taper.
•NiTi
Increased flexibility
• Each instrument produces its own 'crown down effect' as larger tapers make way for smaller tapers.
• Protaper files engage a smaller area of dentine reducing torsional loads and file fatigue
Biomechanical preparation is the crucial step in endodontic procedure. Biological principles can only be preserved if the mechanical shaping of the perticular canal is completed with the cordial following of the endodontic priciples. This presentation is aimed to simplify the various endodontic techniques for root canal shaping in as conservative as possible manner.
The presentation features the pulp reparative and regenerative procedures which can be carried out in immature teeth. It involves development of mature tooth from an immature one by root formation and root fixation as a preparatory phase for root canal treatment.
Biologic width - Importance in Periodontal and Restorative DentistryDr.Shraddha Kode
Biologic width plays a vital role for preservation of the periodontal health. This concept involves the dimensions of the epithelial and connective tissue attachment between the base of the sulcus and the alveolar crest which if involved can lead to gingival inflammation and gingival recession.
Protaper means progressively taper.
•NiTi
Protaper means progressively taper.
•NiTi
Increased flexibility
• Each instrument produces its own 'crown down effect' as larger tapers make way for smaller tapers.
• Protaper files engage a smaller area of dentine reducing torsional loads and file fatigue
Biomechanical preparation is the crucial step in endodontic procedure. Biological principles can only be preserved if the mechanical shaping of the perticular canal is completed with the cordial following of the endodontic priciples. This presentation is aimed to simplify the various endodontic techniques for root canal shaping in as conservative as possible manner.
The presentation features the pulp reparative and regenerative procedures which can be carried out in immature teeth. It involves development of mature tooth from an immature one by root formation and root fixation as a preparatory phase for root canal treatment.
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.
In this presentation, we will see the different mishaps or errors that we can encounter during endodontic procedure and what can be the various treatment options for them.
Anticurvature filling technique should be known by everyone as it prevents breaking of instruments into the canal and it helps to do instrumentation in the narrow canals
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.
Determination of root canal working length /certified fixed orthodontic cours...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.
Biomechanical preparation1/ rotary endodontic courses by indian dental academyIndian 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.
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.
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.
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
- 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
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
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.
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
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.
Lung Cancer: Artificial Intelligence, Synergetics, Complex System Analysis, S...
phantomic endodentic.ppt
1. Special anatomic problems in canal cleaning and shaping (complication)
Name: Seyedsaeid Seyedraoufi Subject: Phantomic endodentic
Lecturer: Prof.Doctor Nino Korsantia
June 2020
Garg N., Garg A. - Textbook of Endodontics ,2011
2. Cleaning and Shaping of root canal
Cleaning and shaping the root canal consists of removing the pulp
tissue and debris from the canal and shaping the canal to receive an
obturation material
Using sequentially larger size of files and irrigating and disinfecting
the canal to clear it of debris , one shapes the canal to receive a well
condensed filling that seals the root canal apically and laterally to
prevent any leakage
3. Principles of endodontic cavity preparation
List of preparations of endodontic cavity preparation is established by
slightly modifying “Principles Of Cavity Preparation“ established
by G.V.Black
Endodontic preparations consists of both coronal and radicular
preparation each prepared separately but ultimately flowing together
into a single preparation:
Endodontic coronal cavity preparation:
1.Outline form 2. Convenience form 3. Removal of the remaining
carious dentine(and defective restoration)4.Toilet of the cavity
Endodontic radicular cavity preparation:
1.Outline form and convenience form(continued) 2. Toilet of the
cavity(continued)
3. Resistance form 4. Retention form
5. Curved Canals
Unfortunately, not all root canals are straight. Clinicians regularly
encounter curves of different degrees and in various places all along
the root canal system
Management of curved Canals:
Estimate and calculate angle of curvature, imagine a straight line
from orifice towards canal curvature and another line from apex
towards apical portion of the curve.
The internal angle formed by interaction of these lines is the angle of
curvature.
6. File can cut dentine evenly only if it engages dentine around its entire
circumference. Once it becomes loose in a curved canal, it will tend to
straighten up and will contact only at certain points along its length.
Factor affecting success of negotiation of a curved canal:
a) Degree of curvature
b) Flexibility of instrument
c) Size of root canal
d) Width of root canal
e) Skill of operator
This can lead to occurrence of procedural errors. To avoid
occurrence of such errors there should be even contact of file to the
canal dentine.
Also we need to decreased Filing
force to prevent any kind of
errors during working.
7. Decrease in the Filing Force can be done by:
A. Pre-curving the file.
B. Use of smaller number files.
C. Use of intermediate sizes of files: It has been seen that increment of
0.05 mm between the instruments is too large to reach the correct WL in
curved canals. To solve this problem, by cutting off a portion of the file
tip a new instrument size is created which has the size intermediate to
two consecutive instruments.
There is increase of 0.02 mm of diameter per millimeter of the length,
cutting 1 mm of the tip of the instrument creates a new instrument size,
for example, cutting 1 mm of a number 15 file makes it number 17 file.
D. Use of flexible files.
8. Decrease in length of actively cutting file can be done by:
A. Anti-curvature filing:
Anti-curvature filing was introduced to prevent excessive removal of
dentin from thinner part of curved canals, for example, in mesial root
of mandibular molar and mesio buccal root of maxillary molar.
The walls of opposite side from curve are instrumented more than the
inner walls resulting in a decrease of the overall degree of canal
curvature.
B. Changing the canal preparation techniques (using Crown down
technique).
9. Management of calcified Canals
Calcifications in the root canal system are commonly met problem
in root canal treatment.
Various etiological factors seem to be associated with calcifications
are caries, traumas and aging.
Success in negotiating small or calcified canals is predicted on a
proper access opening and identification of the canal orifice.
The distance from the occlusal surface to the pulp chamber is
measured from the preoperative radiograph.
10. At this suspected point a fine instrument number 8 or 10 K- file, is
placed into the orifice, and an effort is made to negotiate the canal.
An alternative choice is to use instruments with reduced flutes,
such as a canal pathfinder which can penetrate even highly calcified
canals.
The most common sign of accidental perforation is bleeding, but
bleeding may also indicate that the pulp in the calcified canal is vital.
If there is any doubt as to whether the orifice has actually been found,
place a small instrument in the opening and take a radiograph
Management of calcified Canals
11. Guidelines for Negotiating Calcified Canals:
Copious irrigation all times with 2.5 to 5.25 percent NaOCl enhances
dissolution of organic debris, lubricates the canal, and keeps dentin
chips and pieces of calcified material in solution.
Always advance instruments slowly in calcified canals.
Always clean the instrument on withdrawal and inspect before
reinserting it into the canal.
When a fine instrument reaches the approximate canal length, do not remove
it; rather obtain a radiograph to ascertain the position of the file.
Use chelating agents to assist canal penetration to full WL.
Flaring of the canal orifice and enlargement of coronal third of canal
space improves tactile perception.
12. Management of C-shaped Canals
Though the prevalence of C-shaped canals is low, but those requiring
endodontic treatments present a diagnostic and treatment difficulties to
the clinician.
Some C-shaped canals are difficult to interpret on radiographs and
often are not identified until an endodontic access is made.
These are commonly seen in mandibular second molars and maxillary
first molars especially when roots of these teeth appear very close or fused.
In maxillary molars, includes MB and palatal canals or the DB and
palatal canals. In the mandibular second molar, the C- shaped canal
includes MB and distal canals.
13. Major problems come across during bio-mechanical
preparation of C- shaped canals are difficulty in removing
pulp tissue and necrotic debris, excessive hemorrhage, and
persistent discomfort during instrumentation.
Because of large volumetric capacity of the C-shaped canal
system, along with transverse anastomoses and
irregularities, amounts of 5.25 percent NaOCl is necessary
for maximum tissue removal and for control of bleeding.
Over preparation of C-shaped canals
should be avoided, because of
presence of only little dentin
between the external root surface
and the canal system in these teeth.
14. Management of S-shaped Canals
S-shaped or bayonet shaped canals pose great problems while
endodontic therapy, since they involve at least two curves, with the
apical curve having maximum deviations in anatomy.
These double curved canals are usually identified radiographically
with multi-angled radiographs, or when the initial apical file is
removed from the canal and it simulates multiple curves.
S-shaped canals are commonly found in maxillary lateral incisors,
maxillary canines, maxillary premolars, and mandibular molars.
15. Access preparation is flared to allow for a more direct entry.
During initial canal penetration, it is essential that there be an
unrestricted approach to the first curve.
Once the entire canal is negotiated, passive shaping of coronal
curve is done first, to facilitate the cleaning and shaping of the
apical curve.
To prevent stripping in the coronal curve, anti curvature or
reverse filing is recommended, with primary pressure being
placed away from curve of coronal curvature.
Gradual use of small files with short amplitude strokes is
essential to manage these canals effectively.
Constant recapitulation with small files and copious irrigation
is necessary to prevent blockage and leading in the apical curve.
Over curving the apical 3 mm of the file aids in maintaining
the curvature in the apical portion of the canal as the coronal
curve becomes almost straight during the later stages of
cleaning and shaping.