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1. ‫الطبية‬ ‫التقنية‬ ‫كلية‬-‫مصراتة‬
I ‫األسنان‬ ‫تقويم‬ ‫تقنية‬
Orthodontics I
8
‫د‬.‫قندي‬ ‫أمحـمد‬ ‫فتحي‬

2. ‫الشدقية‬ ‫اللوالب‬
‫الناب‬ ‫مرجعات‬
Buccal Springs
Canine Retractors

4. Standard Buccal Canine Retractor ‫النموذجي‬ ‫الشدقي‬ ‫الناب‬ ‫مرجع‬
Self-Supported Buccal Canine Retractor
‫الذاتي‬ ‫ذوالدعم‬ ‫الشدقي‬ ‫الناب‬ ‫مرجع‬
Buccal Canine Retractor ‫الشدقي‬ ‫الناب‬ ‫مرجع‬

5. Supported Buccal Canine Retractor
‫المدعوم‬ ‫الشدقي‬ ‫الناب‬ ‫مرجع‬

6. ‫المدعوم‬ ‫المحور‬ ‫الشدقي‬ ‫الناب‬ ‫مرجع‬

7. ‫الدعم‬ ‫ذاتي‬ ‫المحور‬ ‫الشدقي‬ ‫الناب‬ ‫مرجع‬

8. ‫الدعم‬ ‫ذاتي‬ ‫المحور‬ ‫الشدقي‬ ‫الناب‬ ‫مرجع‬

11. They are relatively unstable in the vertical dimension
(see Figure 3.4) which can make them difficult to adjust.

12. Fabrication
Draw the design:
A. Long axis of the tooth.
B. Coil.
A. Coil:
• Located at half of the root length.
• 3 mm diameter.
• 2 mm from sulcus.
B. Active arm:
• Positioned down the long axis of tooth.
• 1 mm away from tooth and tissue surface.

13. C. Retentive arm:
• Going towards of mesial of 2nd premolar.
• Shoulder touch mesial 2nd premolar.
D. Tag:
• Positioned towards the palate.
• Does not sit on tissue (0.5 mm – 1 mm) away.

14. ‫الشدقي‬ ‫الناب‬ ‫مرجع‬‫المعكوسة‬ ‫العروة‬ ‫ذو‬
Reverse Loop Buccal Canine Retractor