Orthodontic removable appliances

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Orthodontic removable appliances

Orthodontic removable appliances

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  • 1. IntroductionOrthodontic appliances can be classified into:1- Mechanical2- functional
  • 2. IntroductionMechanical appliances could be :1- removable appliance2- fixed appliances
  • 3. Fixed appliances
  • 4. Removable appliances•Active appliances•Functional appliances
  • 5. Removable appliances
  • 6. Springs or buccal labial movements
  • 7. Springs or buccal labial movements
  • 8. Springs or buccal labial movements
  • 9. Springs or buccal labial movements
  • 10. Springs or buccal labial movements
  • 11. Springs or buccal labial movements
  • 12. Scrows
  • 13. Indications•Incisors inclination•To treat arch individually•Narrow arches•Unilateral cross bite•Single malpositioned teeth•Bit correction•Bad habits
  • 14. Contraindications•Sever skeletal discrepancy•Upper and lower arches correlation treatment•Sever rotation•Bodily movements•Vertical discrepancy•Sever crowding•Very dens bone
  • 15. Advantages•Simple tipping treatment•Platform involvement•Few teeth should be moved•Less chair side•Inexpensive•Removed by patients•Easy repair
  • 16. Limitation ?
  • 17. Requirements•Biological•Mechanical•Aesthetic•hygienic