龈袋

结论：牙龈切除术与牙冠延长术应用于牙体劈裂达龈下较深部位患牙均能明显改善龈袋深度，而后者的临床疗效优于前者。

Conclusion : Both gingivectomy and prolongation of dental crown could shorten the depths of the gingival pocket . The clinical effect of the latter is better than that of the former .

方法随机选择门诊226例下颌智齿冠周炎患者，分为两组，治疗组112例在智齿龈袋内置入碘仿甲硝唑糊剂。

Methods 226 cases with pericoronitis of the third molar were selected and randomly divided into two groups .

而术后及6个月复查时，牙冠延长术组的龈袋深度均明显低于牙龈切除术组。

The depths in prolongations of dental crown group were much less than those in gingivectomy group when measured postoperatively and six months after operation .

龈沟和袋内各种细菌的比例与牙周发病、治疗的关系

The Relation between the Incidence and Treatment of Periodontal Disease and the Proportion of Various Species of Bacteria in the Gingival Crevice and Periodontal Pocket