Fixed functional 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
00919248678078

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Fixed functional appliances /certified fixed orthodontic courses by Indian dental academy

  1. 1. FIXED FUNCTIONAL APPLIANCES INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  2. 2. Goals of Orthodontics and Dentofacial Orthopedics Achieve a good occlusion Class I malocclusions Harmonize the basal structures www.indiandentalacademy.com Skeletal malocclusions
  3. 3. A skeletal Class II - fault with the maxilla www.indiandentalacademy.com
  4. 4. A skeletal Class II - fault with the mandible www.indiandentalacademy.com
  5. 5. A skeletal Class II - fault with the mandible www.indiandentalacademy.com
  6. 6. Components of a growing skeletal Class II malocclusion   Maxillary prognathism – 30% Mandibular retrusion - 70% ----Mc’Namara (1981) Mastorakos study( 1984) --- slight disagreement with Mc’Namara’s values www.indiandentalacademy.com
  7. 7. Skeletal malocclusions If your only instrument’s a hammer, then every problem looks like a nail. --- Maslow www.indiandentalacademy.com
  8. 8. Skeletal malocclusions Skeletal Class II or Skeletal Class III Treated by ---a) Functional appliances b) Headgear c) Combination d) Camouflage e) Surgical intervention www.indiandentalacademy.com Growth Modulation
  9. 9. Functional appliances Factors essential to success: a) Proper diagnosis and appliance fabrication b) Growth parameters c) Appliance wear – Patient compliance www.indiandentalacademy.com
  10. 10. Patient compliance Facts :  Percentage of poor compliance --- 50%  Both patients and families mis-represent the extent of compliance  Compliance decreases the longer the patient is treated www.indiandentalacademy.com
  11. 11. Evolution of the Non-compliance appliances Subdivided into :  Fixed functional Orthopedic appliances  Fixed intra-arch appliances  Fixed Inter-arch appliances www.indiandentalacademy.com
  12. 12. Fixed functional appliances History :  Kingsley’s bite jumping plate was a fixed one  Emil Herbst read a paper on the ‘Herbst appliance’ in 1905  The Herbst was resurrected only in 1977  Subsequent improvements within the Herbst www.indiandentalacademy.com
  13. 13. Fixed functional appliances History :  Inter-arch springs started becoming popular after the introduction of the Jasper Jumper in 1987  As many as 24 fixed functional appliances could be traced !! www.indiandentalacademy.com
  14. 14. Fixed functional appliances Classification :  Rigid Fixed functionals – ‘Herbst’ like  Flexible fixed functionals – ‘Jasper’ like  Hybrid appliances www.indiandentalacademy.com
  15. 15. Fixed functional appliances Rigid Fixed functionals 1. Herbst and its modifications 2. The Mandibular Anterior Repositioning splint (MARS) 3. The Ventral Telescope 4. The Magnetic telescopic device 5. The Mandibular Protraction Appliance (MPA I – IV) www.indiandentalacademy.com
  16. 16. Fixed functional appliances Rigid Fixed functionals – Essential characteristics 1. Telescoping mechanism 2. Very rigid and permit restricted movements 3. Effects are usually skeletal (orthopedic) 4. Usually indicated in Class II patients www.indiandentalacademy.com
  17. 17. Fixed functional appliances Rigid Fixed functionals (Contd..) 6. The Universal Bite Jumper 7. The Biopedic appliance 8. The Mandibular anterior repositioining appliance (MARA) 9. The Intra-oral Snoring Therapy Appliance (IST) 10. The Ritto Appliance www.indiandentalacademy.com
  18. 18. Fixed functional appliances The Herbst appliance – Components  Tube and plunger assembly  Axle and screw assembly anchored onto the upper molars and the lower bicuspids www.indiandentalacademy.com
  19. 19. Components of the Herbst www.indiandentalacademy.com
  20. 20. Components of the Herbst www.indiandentalacademy.com
  21. 21. The Herbst with crowns – Langford design www.indiandentalacademy.com
  22. 22. The Herbst with Edgewise appliance – Dischinger design or The ‘Bioprogressive Herbst’ www.indiandentalacademy.com
  23. 23. The Cantilever Herbst www.indiandentalacademy.com
  24. 24. The Cantilever Herbst www.indiandentalacademy.com
  25. 25. The Acrylic Splint Herbst www.indiandentalacademy.com
  26. 26. Variations in the Herbst appliance The MALU – Mandibular advancement locking unit – Swadesh Kumar www.indiandentalacademy.com
  27. 27. Variations in the Herbst appliance The MALU – Mandibular advancement locking unit – Swadesh Kumar www.indiandentalacademy.com
  28. 28. Variations in the Herbst appliance The Flip-Lock Herbst - Robert Miller www.indiandentalacademy.com
  29. 29. Variations in the Herbst appliance The Flip-Lock Herbst - Robert Miller www.indiandentalacademy.com
  30. 30. Indications of Conventional Herbst 1. 2. Mandibular retrusion Post Surgical 3. Prevention of Bruxism 4. Diseases of TMJ www.indiandentalacademy.com
  31. 31. Duration of Treatment  According to Herbst – 15months  According to Pancherz – 6 - 9months  According to Weislander – 6-9months + 2- 3yrs of retention using activator www.indiandentalacademy.com
  32. 32. Problems with Conventional Herbst 1. Difficulty in fabrication 2. Breakages 3. Restricted lateral movements 4. Cost www.indiandentalacademy.com
  33. 33. Effects due to the Herbst appliances www.indiandentalacademy.com
  34. 34. www.indiandentalacademy.com
  35. 35. Herbst like appliances a) The Ventral telescope www.indiandentalacademy.com
  36. 36. Herbst like appliances b) The Biopedic appliance - GAC www.indiandentalacademy.com
  37. 37. Herbst like appliances c) The MPA – Filho -1995,97,98 and 2001 www.indiandentalacademy.com
  38. 38. Herbst like appliances c) The MPA – Filho -1995,97,98 and 2001 www.indiandentalacademy.com
  39. 39. Herbst like appliances d) The Magnetic Telescope device – Ritto1997 www.indiandentalacademy.com
  40. 40. Herbst like appliances e) The MARA appliance – Toll and Eckhart www.indiandentalacademy.com
  41. 41. Herbst like appliances d) The MARA appliance www.indiandentalacademy.com
  42. 42. www.indiandentalacademy.com
  43. 43. www.indiandentalacademy.com
  44. 44. www.indiandentalacademy.com
  45. 45. www.indiandentalacademy.com
  46. 46. www.indiandentalacademy.com
  47. 47. Lateral views of superimposition of the 3D mandibles before and after treatment, registered according to the anatomical landmarks of the brain (green, the 3D mandible before treatment; pink, the 3D mandible after treatment) www.indiandentalacademy.com
  48. 48. www.indiandentalacademy.com
  49. 49. www.indiandentalacademy.com
  50. 50. Thank you www.indiandentalacademy.com Leader in continuing dental education www.indiandentalacademy.com

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