Biomechanical Effect of Orthodontic Treatment of Canine Retraction by Using Metallic Orthodontic Mini-Implant (OMI) Covered with Various Angles of Revolving Cap

Figure 1

Solid models of the (a) canine, second premolar, and first molar and (b) canine PDL. (c) The PDF was 0.25 mm thick.

(a)

(b)

(c)