INDIAN DENTAL ACADEMY
Leader in continuing dental education
www.indiandentalacademy.com
www.indiandentalacademy.com
Removable Orthodontic
Appliances

www.indiandentalacademy.com
Removable Appliances
• Advantages & disadvantages
• Brief history & development
• Major uses of removables
•
•
•
•
•

Grow...
Advantages
•
•
•
•
•

Appealing to patients especially adults
Inexpensive
Easy to make and adjust
Initially less chair tim...
Disadvantages
• Totally cooperation dependant !!!
• Limited to less complex movement
• Limited range of movement

www.indi...
Development of Removables
• USA- fixed appliances- Edward
Angle

• Minimal usage of removable appliances
 Precise positio...
Removables in Europe
• Growth Guidance with Functional
Appliances
• Change mandibular posture
• Open & forward

• Pressure...
Today Dichotomy
Disappeared
Instantaneous exchange of ideas & info.
Politics, economics, travel, electronic age

www.india...
Can We Grow Mandibles?
Chapt. 8 Contemporary Orthodontics
“An acceleration of (mand) growth often occurs when
a functional...
Tooth-borne Functional
Appliances
• Activator
(Andresen)

• Bionator
(Balters)

www.indiandentalacademy.com
• Herbst

• Twin Block
(Clark)

www.indiandentalacademy.com
Tissue-borne Functional
Appliances
Functional Regulator

(Frankel)

www.indiandentalacademy.com
Limited Tooth Movement
Appliance Design
• Acrylic plate – stability
• Active portion – force application
• Clasps & occlus...
Acrylic Plate
Maintenance Plate
•Stabilize
•Space maintenance
•Replace tooth
•Bite Plane
•Posterior overlay
www.indiandent...
Be Creative!

www.indiandentalacademy.com
Active Portion
• Expansion – screws
• Repositioning teeth – springs
• Space closing – labial bow & springs

www.indiandent...
Expansion Screws

www.indiandentalacademy.com
Springs
Anterior Alignment

www.indiandentalacademy.com
Anterior Cross-bite Primary Dentition

www.indiandentalacademy.com
Anterior Cross-bite Mixed
Dentition

www.indiandentalacademy.com
Springs
Posterior space regaining
Spring winding

correct

www.indiandentalacademy.com

incorrect
Springs
Space Closure

www.indiandentalacademy.com
Adjustable Labial Bow

www.indiandentalacademy.com
Clasps & Rests
• Adams

• C

•Ball

•Occlusal rest
•Arrowhead
www.indiandentalacademy.com
Retention
•
•
•
•
•

Hawley
Circumferential
Spring
Invisible – Essix
Positioner

www.indiandentalacademy.com
Hawley Retainer
With or without ant. or post. biteplate

www.indiandentalacademy.com
Circumferential Retainer

www.indiandentalacademy.com
Spring Retainer

www.indiandentalacademy.com
Invisible Essix Retainer
Vacupressureformed

Biostar Machine

www.indiandentalacademy.com
Positioner

www.indiandentalacademy.com
Adjuncts to Treatment
Biteplate

Nightguard
www.indiandentalacademy.com
Removable Appliances Used
in Mild to Moderate
Malocclusion

More to come

www.indiandentalacademy.com
Thank you
For more details please visit
www.indiandentalacademy.com
www.indiandentalacademy.com
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Removable orthodontic appliances. /certified fixed orthodontic courses by Indian dental academy

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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

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Removable orthodontic appliances. /certified fixed orthodontic courses by Indian dental academy

  1. 1. INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  2. 2. Removable Orthodontic Appliances www.indiandentalacademy.com
  3. 3. Removable Appliances • Advantages & disadvantages • Brief history & development • Major uses of removables • • • • • Growth modification Limited tooth movement Retention Adjuncts to treatment Mild to moderate malocclusions www.indiandentalacademy.com
  4. 4. Advantages • • • • • Appealing to patients especially adults Inexpensive Easy to make and adjust Initially less chair time Allow for some types of growth guidance www.indiandentalacademy.com
  5. 5. Disadvantages • Totally cooperation dependant !!! • Limited to less complex movement • Limited range of movement www.indiandentalacademy.com
  6. 6. Development of Removables • USA- fixed appliances- Edward Angle • Minimal usage of removable appliances  Precise positioning of teeth • Europe-removable appliances • Geographic separation • Social welfare systems-limited tx. for masses • Scarcity of precious metals for fixed appliances  Alterations in function produced by removables give stable correction of malocclusion www.indiandentalacademy.com
  7. 7. Removables in Europe • Growth Guidance with Functional Appliances • Change mandibular posture • Open & forward • Pressure from stretch of muscle & soft tissues transmitted to teeth & bone moving teeth and modifying growth www.indiandentalacademy.com
  8. 8. Today Dichotomy Disappeared Instantaneous exchange of ideas & info. Politics, economics, travel, electronic age www.indiandentalacademy.com
  9. 9. Can We Grow Mandibles? Chapt. 8 Contemporary Orthodontics “An acceleration of (mand) growth often occurs when a functional appliance is used … , but the final size of the mandible is little if any larger than it would have been without treatment.” Other functional appliance tx. effects: • Mand. teeth forward, max.teeth back- Cl. II el. effect • Restraint of forward growth of maxilla- HG effect www.indiandentalacademy.com
  10. 10. Tooth-borne Functional Appliances • Activator (Andresen) • Bionator (Balters) www.indiandentalacademy.com
  11. 11. • Herbst • Twin Block (Clark) www.indiandentalacademy.com
  12. 12. Tissue-borne Functional Appliances Functional Regulator (Frankel) www.indiandentalacademy.com
  13. 13. Limited Tooth Movement Appliance Design • Acrylic plate – stability • Active portion – force application • Clasps & occlusal rests- retention www.indiandentalacademy.com
  14. 14. Acrylic Plate Maintenance Plate •Stabilize •Space maintenance •Replace tooth •Bite Plane •Posterior overlay www.indiandentalacademy.com
  15. 15. Be Creative! www.indiandentalacademy.com
  16. 16. Active Portion • Expansion – screws • Repositioning teeth – springs • Space closing – labial bow & springs www.indiandentalacademy.com
  17. 17. Expansion Screws www.indiandentalacademy.com
  18. 18. Springs Anterior Alignment www.indiandentalacademy.com
  19. 19. Anterior Cross-bite Primary Dentition www.indiandentalacademy.com
  20. 20. Anterior Cross-bite Mixed Dentition www.indiandentalacademy.com
  21. 21. Springs Posterior space regaining Spring winding correct www.indiandentalacademy.com incorrect
  22. 22. Springs Space Closure www.indiandentalacademy.com
  23. 23. Adjustable Labial Bow www.indiandentalacademy.com
  24. 24. Clasps & Rests • Adams • C •Ball •Occlusal rest •Arrowhead www.indiandentalacademy.com
  25. 25. Retention • • • • • Hawley Circumferential Spring Invisible – Essix Positioner www.indiandentalacademy.com
  26. 26. Hawley Retainer With or without ant. or post. biteplate www.indiandentalacademy.com
  27. 27. Circumferential Retainer www.indiandentalacademy.com
  28. 28. Spring Retainer www.indiandentalacademy.com
  29. 29. Invisible Essix Retainer Vacupressureformed Biostar Machine www.indiandentalacademy.com
  30. 30. Positioner www.indiandentalacademy.com
  31. 31. Adjuncts to Treatment Biteplate Nightguard www.indiandentalacademy.com
  32. 32. Removable Appliances Used in Mild to Moderate Malocclusion More to come www.indiandentalacademy.com
  33. 33. Thank you For more details please visit www.indiandentalacademy.com www.indiandentalacademy.com

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