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Transverse maxillary and mandibular growth during and after bionator therapy: study with metallic implants
Introduction:
This study evaluated posteroanterior cephalograms before and after treatment and long term follow-up of Class II division 1 patients treated with bionator.
Objective:
The objective was to demonstrate the transverse growth of maxilla and mandible during and after bionator therapy.
Methods:
Measurement of transverse dimensions between posterior maxillary and mandibular implants, as well as the distances between the buccal, gonial and antegonial points were recorded. Measurements were analyzed at three periods: T1 - before bionator therapy, T2 - after bionator therapy and T3 - 5.74 years after T2.
Results:
There was statistically significant transverse increase due to growth and/or treatment for all variables, except for the distance between the anterior maxillary implants.
Conclusions:
During the study period only the anterior maxillary area did not show transverse growth.
