Orthodontic appliances use active components like springs and screws to apply forces to teeth and modify their positions. Removable appliances are attached using clasps and can be taken out by the patient. Fixed appliances are permanently cemented. Functional appliances rely on muscle forces to guide growth. Springs produce forces based on their design and material. Anchorage control is important to maximize desired tooth movement and limit unwanted effects. Different appliances are used for limited tooth movement, growth modification, and retaining corrected teeth.
Frankles appliance Is a myofunctional appliance
Functional appliance are removable or fixed appliances that aim to utilize eliminate or guide the forces arising from muscle function,tooth eruption and growth inorder to alter skeletal and dental relationship
Frankles appliance Is a myofunctional appliance
Functional appliance are removable or fixed appliances that aim to utilize eliminate or guide the forces arising from muscle function,tooth eruption and growth inorder to alter skeletal and dental relationship
Description :
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
Description :
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
Tweed philosophy 2 /certified fixed orthodontic courses by Indian dental a...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
this part is made by den. Mohammed AL-Ghazali
its gives u an intro about orthodontic appliances and compare between the different types and some more details you will find in the seminar . its made from multi references .
enjoy it
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
Vari simplex /fixed orthodontic courses /certified fixed orthodontic cours...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
00919248678078
Instruments used in oral surgery /certified fixed orthodontic courses by Indi...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
00919248678078
Instruments used in oral and maxillofacial surgeryCing Sian Dal
Instruments used in oral and maxillofacial surgery
Copyright (c) Prof. Dr. U Ko Ko Maung
Department of Oral and Maxillofacial Surgery
University of Dental Medicine, Yangon
Instruments used in oral and maxillofacial surgeryCing Sian Dal
Instruments used in oral and maxillofacial surgery
Copyright (c) Dr. Ko Ko Maung
Department of Oral & Maxillofacial Surgery
University of Dental Medicine, Yangon
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.
Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
Stay informed, stay safe, and get your flu shot today!
- 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
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
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
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
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.
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.
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.
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.
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
2. Orthodontic appliance is an apparatus to
maneuver the forces which may be
intrinsic (mechanical force) or
extrinsic (functional force).
3. Orthodontic Appliance is used -
to deliver force to a tooth or a group of teeth
to bring about changes in tooth position.
to correct, guide and modify growth of the
growing and mature dentofacial structure.
to prevent the actions of abnormal muscle
activities and habits on the teeth and alveolar
bone.
6. Removable orthodontic appliance.
Orthodontic appliance which can be removed
and replaced by the patient.
Hawley type appliance. (Labio-lingual appliance)
-repositioning of individual teeth (mesiodistal and
(labiolingual) in the dental arch.
Screw appliance.
- expand the arch perimeter.
Functional appliance.
-move the teeth and skeletal structures by the
use of functional forces to modify growth.
13. Advantages.
Can be fabricated in laboratory rather than directly in the pt’s
mouth
• Can be removed by the patient.
• Reducing dentist’s chairside time.
• Allow growth guidance treatment.
• Low cost.
Disadvantages.
• Need patient compliance.
• Limited tooth movement.
Removable appliances
14. Indications. (Uses)
Growth modification treatment.
Control the growth of maxilla and mandible
with the use of functional appliance.
Limited tooth movement.
Mesiodistal and labiolingual tooth
movement with the use of Hawley type
appliance.
Retention.
Stabilization of teeth and alveolar bone
after comprehensive orthodontic treatment.
15. Components of removable orthodontic appliance.
I. Retaining component.
Provides retention to the appliance.
III. Active component.
Delivers force to the teeth.
III. Base plate.
Unify different components.
16. I. Retaining component.
Clapse.
Adam clasp.
● Provides excellent retention, commonly used.
● Designed to engage mesiobuccal and distobuccal
undercuts.
● Best used on molars and premolars.
● Teeth must be fully erupted.
● May interfere with occlusion.
17. Component parts of Adam clasps.
• Arrow head.
• Bridge.
• Intermediate segment.
•Occlusal cross-over.
•Leg.
• Tag.
18.
19.
20.
21. Circumferential clasp.
• Easy to bend.
• Commonly used in combination with Adam clasp.
• Does not interfere with occlusion.
• Commonly used in retainers.
Other clasps.
• Ball clasp.
• Lingual extension clasp.
24. II. Active components.
Those parts which deliver forces to the teeth and/or
skeletal structures to bring about changes in position.
Includes.
• Springs.
• Bows.
• Screws.
• Elastics.
25. Components of a spring.
• Arm.
• Coil.
• Tag.
Types of springs.
• Finger spring
• Buccal canine spring.
• Springs for arch expansion.
• ‘Z’ spring, ‘T’ spring.
• Cantilever, Double cantilever spring.
•Springs for retraction.
27. Palatal finger spring.
Used to move a tooth mesiodistally.
The direction of tooth movement is perpendicular to the
tangent line at the point of contact.
Coil should be located on the perpendicular line drawn
at mid-point of the path of tooth movement.
Usually made of 0.5 or 0.4 mm stainless steel round
wire.
Activated by opening the coil so that when the appliance
is seated the coil wound up and deliver force.
31. Buccal canine spring.
Used to move the tooth palatally and distally.
Useful when buccally erupted canine cannot be engage from
the palatal aspect by finger spring.
Poor stability, difficult to adjust.
May irritate the tissues or uncomfortable if the coil is located
too high up in the sulcus.
Tag should pass the occlusal table as close as possible and
above the contact point of premolar tooth.
Made of 0.7 mm stainless steel round wire.
Adjust by closing the coil.
36. Springs for moving teeth labially and buccally.
‘Z’ spring.
‘T’ spring.
Modified finger spring. (cranked spring)
Cantilever springs
The wire should be supported by a guard (guide) wire
so that it will remain contact at the desired position on the
tooth.
Made of 0.5 to 0.7 mm stainless steel round wire,
depending upon the length of wire and the design of a
spring.
44. Labial bows.
High labial bow.
For the attachment of auxillary springs.
Usually made of heavy wire size 0.9 or 1mm.
Low labial bow.
For the retraction of incisors.
To aid in retention of an appliance.
To provide force couple.
To restrain labial movement of incisors.
(to reinforce anchorage)
48. “U” loop labial bow Labial bow wit strap spring
Labial bows for anterior retraction
49. III. Base plate.
Made of acrylic usually self-cured.
Support, protect and unify the other components of the
appliance.
Aid in retention and anchorage by the close fit of the
appliance with the mucosa and teeth.
Anterior and posterior bite planes may be added -
-to control tooth eruption in vertical plane.
-to allow the tooth to be moved, free from occlusion.
-to use as an inclined plane.
51. Screws.
The size and shape is slightly altered from time to time so
that when inserted pressure is exerted on a tooth or a group
of teeth to move them in desired direction.
To expand the dental arch laterally or anteriorly.
To expand the mid-palatal suture.
May be cemented to the teeth with bands (fixed) or
retained by the clasps. (removable)
Unwound the screw to expand the appliance.
The appliance should be seated firmly in place to
achieve maximum effectiveness.
55. Functional appliances.
These are loose fitting appliance, the action of which
depend upon the activity of the orofacial musculature.
(Function)
Monobloc, Bionator, Andreson appliance.
Franlkel appliance
58. Mechanical principles in appliance design.
Orthodontic tooth movement is produced by an
application of force.
When force is applied to the tooth, it tend to move it to a
different position in space. In orthodontic appliance force is
produced by the active component. eg : springs, elastics, labial
bow etc.
Equally important is the retention of an appliance. The
best springs are ineffective if the appliance becomes displaced.
To maximize the desired tooth movement reciprocal
effects throughout the dental arches must be analysed,
evaluated and controlled. (Anchorage control)
59. The design of an orthodontic appliance :
Activating mechanism.
Retention mechanism.
Anchorage control.
61. When load is applied to the spring the wire deformed. The
extent of deformation can be expressed as the angle of deflection.
When the wire is deformed the forces are introduced into
the wire. After removal of the load the wire return to its
undeformed state and the forces are released.
Angle of deflection
load
wire
62. The magnitude of force released by the wire
depends upon :
applied load
springiness (stiffness)
length
size and shape
wire type
63. Addition of coil to a spring
Lengthen the wire
Reduce force
Allow the spring to be able to
accommodate in the limited space.
68. Methods to control anchorage
-Reinforcement
-Subdivision of desire movement
Tipping/ Uprighting
Friction& anchorage control strategies
-Skeletal anchorage