CAJ | 학술논문

目的探讨应用下颌下缘截骨术与外板劈除术联合矫治低角型方颌畸形的可行性并评价其疗效.方法 2005年7月至2007年11月,应用下颌下缘截骨术与下颌骨外板劈除术联合矫治31例低角型方颌畸形患者,术后随访6～24个月,调查患者满意度,并用术前、后定位标准面像、X线头影测量等方法评价其矫正效果.结果本组31例患者创口均一期愈合,经术后6～24个月随访,均无张口受限及面瘫等严重并发症,虽有13例术后自觉口角区下唇麻木,但均在4个月内恢复.所有患者面下部正、侧面轮廓均得到改善,术后下颌角角度达110°～120°,下颌平面角达25°～30°,下颌角间宽度均明显减小.所有病例医患双方均对手术后效果感到满意.结论下颌下缘截骨术与外板劈除术联合应用矫治低角型方颌畸形,可达到较理想效果.
목적 탐토응용하합하연절골술여외판벽제술연합교치저각형방합기형적가행성병평개기료효.방법 2005년7월지2007년11월,응용하합하연절골술여하합골외판벽제술연합교치31례저각형방합기형환자,술후수방6～24개월,조사환자만의도,병용술전、후정위표준면상、X선두영측량등방법평개기교정효과.결과 본조31례환자창구균일기유합,경술후6～24개월수방,균무장구수한급면탄등엄중병발증,수유13례술후자각구각구하진마목,단균재4개월내회복.소유환자면하부정、측면륜곽균득도개선,술후하합각각도체110°～120°,하합평면각체25°～30°,하합각간관도균명현감소.소유병례의환쌍방균대수술후효과감도만의.결론 하합하연절골술여외판벽제술연합응용교치저각형방합기형,가체도교이상효과.
Objective To evaluate the feasibility of mandibular "V-Line" osteotomy combined with mandibular outer cortex osteotomy for correction of low angle-square jaw. Methods From Jul. 2005 to Nov. 2007, 31 patients with low angle-square jaw were corrected with mandibular "V-Line" osteotomy combined with mandibular outer cortex osteotomy. The patients were followed up for 6-24 months. Pre- and Post-operative standard images and X-ray cephalometric examination were used to assess the therapeutic effect. Results The wounds were healed primarily in all the 31 cases with no severe complication. The lower labial numbness was happened in 13 cases, which was recovered within 4 months. All the patients achieved esthetic improvement at the frontal and lateral view. The mandibular angle and the mandibular plane angle reached 110°-120° and 25°-30° after operation. The distance between the angles was decreased. Conclusions The low angle-square jaw can be corrected satisfactorily with mandibular " V-Line" osteotomy combined with mandibular outer cortex osteotomy.