Transverse maxillary distraction in patients with periodontal pathology or insufficient tooth anchorage using custom-made devices.

Purpose: We present our experience using modified Hyrax devices for treating transverse deficiencies of the maxilla in adult patients with periodontal pathology or insufficient tooth anchorage. The surgical technique, clinical indications, and results are discussed.

Materials And Methods: Eight adult patients (6 females, 2 males) requiring maxillary expansion were studied prospectively between July 2002 and July 2007.