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Maintenance of Condyle – Proximal Segment Position in Orthodontic Surgery

    • The existing relationship between the buccal tube and a point on the outer cortex of the proximal segment is established with 19 gauge stainless steel wire. One end of the wire is bent back on itself to form a “C”. This end is fully seated in the buccal tube and the distal end is then directed posteriorly along the plane of occlusion to a point on the lateral cortex of the proximal segment approximately one third the distance from the anterior border.

 

Our understanding of post operative changes in condylar position, shape and their influence on surgical stability has increased considerably over the past two decades. This has been facilitated by the increasing use of sophisticated imaging techniques including submentovertex and trans cranial views, computed tomography, stereo lithographic models from three dimensional CT and magnetic resonance imaging.

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