상악 전치부의 전하방 이동을 위한 치조골신장술
Alveolar Bone Distraction Osteogenesis at Maxillary Anterior Region for Forward-Downward Movement
양훈주, 이수연, 황순정,
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양훈주 ( Yang Hoon-Joo ) - 서울대학교 치의학대학원 구강악안면외과학교실
이수연 ( Lee Su-Yeon ) - 서울대학교 치의학대학원 구강악안면외과학교실
황순정 ( Hwang Soon-Jung ) - 서울대학교 치의학대학원 구강악안면외과학교실
KMID : 0360120100320050459
Abstract
Alveolar distraction osteogenesis (ADO) has been regarded as an acceptable treatment for the alveolar bone deficiency. For ADO at anterior maxillary area, the vector should be oriented to forward and downward direction to get an adequate occlusion with mandibular teeth and to increase bone length and width for implant placement. However, the conventional commercial distraction devices for ADO are designed to allow mainly downward movement of alveolar segment, even though a forward movement can be obtained a little by controlling of inclination of device. To make ADO with controllable bidirectional vector possible, we used customized devices using self-manufactured ABDUL (Alveolar Bone Distractor Using Lag screw principle) and commercial orthodontic palatal expansion device (Hyrex??). In all cases (n = 4), ADO could be performed successfully and dental implants were able to placed with adequate occlusion. We report the procedures, advantages and disadvantages of these methods.
키워드
Distraction osteogenesis device; Maxillary anterior alveolar bone atrophy; Bidirectional movement
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