Mandibular Widening: Hyrax
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Cesar A. Guerrero, DDS, William H. Bell, DDS

Osteotomy & Device Placement

Then, with a straight handpiece and a surgical 701 bur, the cut is continued on the labial cortical plate until the alveolar crest is reached.

FIG. 6.2.1.2. The vertical osteotomy is continued on the labial cortical plate with a fissure bur.