牙槽嵴裂骨移植修复术后影响骨吸收因素的初步研究

Influencing factors on bone resorption after alveolar bone grafting

目的对牙槽嵴裂骨移植修复的患者进行随访评价,对植入骨的成活率及影响骨吸收的因素做初步研究.方法随访108例牙槽嵴裂骨移植患者,运用多因素回归统计方法进行分析.结果植入骨成活率为88%,临床成功率为60%;影响骨吸收的主要因素是:感染、手术年龄、裂隙类型、功能刺激、手术操作等,其中感染因素仅占22%.结论提高牙槽嵴裂植骨修复效果的因素:①手术应在患者8～11岁进行;②术前应行正畸治疗;③手术操作技术应进一步完善;④建立必要的功能刺激;⑤积极控制伤口感染.

Objective To retrospectively study alveolar autogeaous bone grafting （AABG）, the success rate and the factors influencing bone resorption after the surgery for the repair of alvelar cleft. Methods A retrospective analysis was performed in a group of 108 alveolar cleft patients receiving alveolar bone grafts . The method of regression was used for analysis. Results The overall survival rate of AABG was 88% , clinical succss rate was 60%. The major factors influencing bone resorption were： infection,age, type of cleft, functional stimulation and surgeon. The factors which did not influence bone resorption were： sex, type of surgery, teeth pulling during the surgery and the width of the cleft. Conclusions Surgery at the proper age of patients, orthodontic treatment before surgery, improvement of surgical skills, nesseccary functional stimulation and control of infection will improve the success rate of AABG.