FIELD: medicine.
SUBSTANCE: method involves carrying out scaled osteotomy as follows. Vertical saw cut is drawn in front of the first premolar 1-2 mm forward from chin orifice. Horizontal saw cut is done below the neurovascular fascicle to mandible angle 2-3 mm lower than tooth roots. Saw cut is drawn through external cortical plate and mandible sponge, the internal cortical plate being retained intact. Compression-distraction apparatuses are set on bone on each side of the mandible. Apparatus screw is introduced from each side via tunnel produced in soft tissues and brought out from isolated skin incision in retroaural region. The internal cortical plate is destroyed on each side after having set the apparatus. First compression and then dosed distraction of fractured bone fragments is carried out.
EFFECT: reduced risk of recurrence; enhanced effectiveness of soft tissue adaptation to new mandible position; stable functional and cosmetic results.
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Authors
Dates
2006-12-20—Published
2005-07-26—Filed