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논문 기본 정보
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- 대한악안면성형재건외과학회 Maxillofacial Plastic Reconstructive Surgery Maxillofacial Plastic Reconstructive Surgery 제41권 제3호
- 발행연도
- 2019.1
- 수록면
- 1 - 6 (6page)
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Background Resorbable devices have recently been adopted in the field of orthognathic surgery with controversies about their postoperative skeletal stability. Hence, we determined the long-term skeletal stability of unsintered hydroxyapatite/poly-l-lactic acid (HA/PLLA) mesh for osteofixation of mandibular sagittal split ramus osteotomy (SSRO), and compared it with that of titanium miniplate. Methods Patients were divided into resorbable mesh and titanium miniplate fixation groups. A comparative study of the change in the mandibular position was performed with preoperative, 1-day, 6-month, and 2-year postoperative lateral cephalograms. Results At postoperative 6 months—compared with postoperative 1 day, point B (supra-mentale) was significantly displaced anteriorly in the titanium-fixation group. Moreover, at postoperative 2 years—compared with postoperative 6 months, point B was significantly displaced inferiorly in the titanium-fixation. However, the HA/PLLA mesh-fixation group did not show any significant change with respect to point B postoperatively. Conclusions The HA/PLLA mesh-fixation group demonstrated superior long-term skeletal stability with respect to the position of mandible, when compared with the titanium-fixation group.
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참고문헌 (22)
참고문헌 신청
Ko EW / 2013 / Alteration of masticatory electromyographic activity and stability of orthognathic surgery in patients with skeletal class III malocclusion / J Oral Maxillofac Surg 71(7):1249~1260
Haug RH / 1996 / Retention of asymptomatic bone plates used for orthognathic surgery and facial fractures / J Oral and Maxillofac Surg 54(5):611~617
Jorgenson DS / 1997 / Detection of titanium in human tissues after craniofacial surgery / Plast Reconstr Surg 99:976~979
Haers PE / 1998 / Biodegradable self-reinforced poly-L/DL-lactide plates and screws in bimaxillary orthognathic surgery : short term skeletal stability and material related failures / J Craniomaxillofac Surg 26(6):363~372
Cheung LK / 2004 / A randomized controlled trial of resorbable versus titanium fixation for orthognathic surgery / Oral Surgery, Oral Med, Oral Pathol, Oral Radiol, Endodontol 98(4):386~397
Haug RH / 1996 / Retention of asymptomatic bone plates used for orthognathic surgery and facial fractures / J Oral and Maxillofac Surg 54(5):611~617
Jorgenson DS / 1997 / Detection of titanium in human tissues after craniofacial surgery / Plast Reconstr Surg 99:976~979
Haers PE / 1998 / Biodegradable self-reinforced poly-L/DL-lactide plates and screws in bimaxillary orthognathic surgery : short term skeletal stability and material related failures / J Craniomaxillofac Surg 26(6):363~372
Cheung LK / 2004 / A randomized controlled trial of resorbable versus titanium fixation for orthognathic surgery / Oral Surgery, Oral Med, Oral Pathol, Oral Radiol, Endodontol 98(4):386~397
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