摘要
目的探讨对龈-牙性露龈笑及龈缘不齐患者行牙冠延长术后的美学效果。方法对53例龈-牙性露龈笑或龈缘不齐患者共285颗患牙行牙冠延长术,用龈缘顶点水平(gingival zenith level,GZL)及微笑线水平评价治疗前后美学效果,并通过视觉模拟评分法(visual analogue scale,VAS)评价患者治疗前后的满意度。结果牙冠延长术后,患牙GZL均达到美学标准,微笑线水平符合Ⅱ、Ⅲ类美学标准,患者对牙龈美学满意度有显著性提高。结论通过正确选择适应证及精细的手术操作,龈-牙性露龈笑及龈缘不齐可通过牙冠延长术获得满意的美学效果。
Objective To evaluate the aesthetic effects of crown lengthening surgery on gummy smile and gingival discrepancy. Methods A total of 53 patients with 285 teeth of gummy smile or gingival discrepancy,were treated with crown lengthening surgery. Visual analogue scale were used to reflex patients satisfaction degree,periodontal indexes were recorded,and the gingival zenith level and smile line were used to evaluate aesthetic effects of crown lengthening surgery. Results After crown lengthening surgery,cases reached aesthetic standard on the gingival zenith level,with smile line corresponding to the class and class Ⅲ aesthetic standards. Conclusion With the proper selection of surgery indications and the delicate operation,doctors can attain aesthetic effects through crown lengthening surgery.
出处
《广东牙病防治》
2014年第6期298-301,共4页
Journal of Dental Prevention and Treatment
基金
惠州市科技计划项目(2013Y110)
关键词
冠延长
露龈笑
龈缘顶点水平
Surgical crown lengthening
Gummy smile
Gingival zenith level
