对牙伸长致种植义齿修复间隙不足不同处理方法疗效评价

Evaluation of the effect of different management for the deficiency of the prosthetic diastema of implant denture caused by elongated teeth

目的探讨种植修复病例中,由于长期缺牙导致的对牙伸长修复空间不足的临床处理方法。方法选择2010年3月至2014年3月于中国医科大学口腔医院就诊的33例对牙不同程度伸长患者,根据患者实际情况分别采用调磨法、局部正畸压低法、去骨法和拔除法等各学科联合治疗方法获得较为理想的种植体上部结构修复空间,并比较种植修复1年后种植牙骨吸收量。结果 33例患者经过治疗后均达到了满意的临床效果,为种植牙提供了足够的义齿修复空间,牙齿咀嚼功能得到改善。种植修复1年后骨吸收量差异无统计学意义(P>0.05)。结论对于对牙伸长导致的修复空间不足的病例,通过不同临床处理方法可以进一步扩大种植体修复的适应证,能最大限度地完善种植修复效果。

Objective To investigate the selection of clinical treatment method for lacking of repairing space caused by long-term missing of molar. Methods Select 33 patients with different degree of elongated teeth, and according to the actual situation of patients, molar intrusion, orthodontic treatment, alvcolectomy and extraction were used. Other interdisciplinary combination therapies were used respectively on patients to make enough space for superstructure of the implants. Compare dental implant bone absorption after a year. Results Satisfactory esthetic and functional results were achieved for all the cases, enough space made for superstructure of implants, dental occlusion improved after the procedure. There was no statistically significant difference on bone absorption after one year（P 〉 0.05）. Conclusion In cases of lacking space for superstructure of the implants caused by elongated teeth, the operation indications can be extended by different methods, which can maximize the clinical results of implant restoration.