摘要
目的 探讨牙齿牙冠延长术后修复的疗效及恢复情况.方法 对10例患者行牙冠延长术,依术前牙齿断缘位于牙槽嵴顶的位置,观察比较术前及术后4～6周效果,观察指标：①牙龈的色、形、质及断端暴露是否良好;②菌斑指数（PLI） 、出血指数（BI） 和松动度（MD）;③断端位置,牙槽嵴顶与断端的距离和牙槽嵴顶与牙龈的距离;④前牙龈缘的位置与相邻牙龈缘的位置关系（唇舌侧）,上前牙牙龈乳头的术后恢复情况.结果 患牙主观感觉良好,无叩痛,牙龈无炎症,牙龈缘高度与邻牙协调,X线片示牙周、根尖周围、牙槽嵴无异常.术后断端牙根暴露于龈上1～2mm,有利于美观和修复.结论 牙冠延长术的实施,有利于断缘位于牙龈下方而生物学宽度不够的牙齿保存和修复,为以后牙齿修复后,牙周情况的健康打下了良好的基础.
Objective To investigate the effect and recovery after crown lengthening. Methods Ten patients were performed the crown lengthening, and then the preoperative and the postoperative （4 to 6 weeks）indexes were observed and compared according to preoperative position of breaking edge on the alveolar ridge crest. These observing indexes were following： （1）color, shape, quality and broken ends exposure; （2）plaque index （PLI） , bleeding index （PLI） and mobility degree （MD） postoperatively; （3）position of the ends： distance between the top and the ends of the alveolar ridge and distance between the top of the alveolar ridge and gum; （4）position relationship between the anterior gingival margin （tongue side） and adjacent gingival margin, the postoperative recovery of gingiva papilla of upper-front teeth. Results Subjective feeling of patients were good without sensitive to pereussion and gingivitis, gingival margin height was coordinated with adjacent teeth, the X-ray image showed the periodontal and periapieal condition, alveolar ridge were normal. Meanwhile, exposure of broken end of tooth root was 1 to 2 mm above gum which is benefit to the appearance and repair. Conclusion Crown lengthening is benefit to preservation and restoration of tooth without enough biological width which their broken ends at the bottom of gum, it is also a good foundation for the health of periodontal through dental restorations.
出处
《中国美容整形外科杂志》
CAS
2011年第12期744-746,共3页
Chinese Journal of Aesthetic and Plastic Surgery
关键词
牙冠延长术
生物学宽度
前牙美观
预后疗效
Crown lengthening
Biological width
Beauty of front teeth
Curative effect
