Figure 3

Surgical plan shown in Mimics. (a) The template is at the initial position to guide the osteotomy, with the saw blade closely beside it. (b) The template is at the second position, and the blade moves forward along it. (c) The clamp with the distractor on is in position. Cyan: robotic arm end with the template. Green: reciprocating bone saw. Light gray: registration complex. Light green: self-designed clamp. Pink: distractor. Purple: the proximal mandibular ramus of the osteotomy line. Red: the distal part of mandible.