Orthodontic removable appliances

2. Introduction
Orthodontic appliances can be classified into:
1- Mechanical
2- functional

3. Introduction
Mechanical appliances could be :
1- removable appliance
2- fixed appliances

4. Fixed appliances

5. Removable appliances
•Active appliances
•Functional appliances

6. Removable appliances

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. Springs or buccal labial movements

14. Scrows

17. Indications
•Incisors inclination
•To treat arch individually
•Narrow arches
•Unilateral cross bite
•Single malpositioned teeth
•Bit correction
•Bad habits

18. Contraindications
•Sever skeletal discrepancy
•Upper and lower arches correlation treatment
•Sever rotation
•Bodily movements
•Vertical discrepancy
•Sever crowding
•Very dens bone

19. Advantages
•Simple tipping treatment
•Platform involvement
•Few teeth should be moved
•Less chair side
•Inexpensive
•Removed by patients
•Easy repair

20. Limitation
?

21. Requirements
•Biological
•Mechanical
•Aesthetic
•hygienic