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目的对牙冠延长术的临床资料从不同角度进行回顾性分析,以便为开展此类手术提供参考。方法选取郑州市口腔医院牙周科5年间140例牙冠延长术患者从病例来源情况、术牙病因情况、术牙牙位情况、不同手术方式情况、牙龈形态学分类情况、术后即刻效果情况、等多方面进行临床分析。结果以修复科首诊患者需求较多;以牙外伤及死髓牙劈裂病例最多;以上前牙手术最多见;牙龈形态以Ⅱ型较多Ⅰ型较少;临床多采用龈切加翻瓣加骨修整的手术方法 ;术后牙冠即刻延长效果明显。结论牙冠延长术是牙周外科一项重要的技术。
Objective To retrospectively analyze the clinical data of dental crown prolongation from different angles in order to provide a reference for such surgery. Methods 140 cases of dental crown prolongation in periodontal department of Zhengzhou Stomatology Hospital during the five years were selected according to the source of the cases, the etiology of the teeth, the position and position of the teeth, the different surgical methods, the classification of the gums, the immediate postoperative effects, And many other clinical analysis. The results of the first need to repair patients with more demand; to tooth injury and dead tooth splint cases most; above the anterior teeth surgery is the most common; type of gingival type II more less type; clinical use of gingival plus plus flap Bone surgery method of dressing; immediate effect of the crown after the extension of the obvious. Conclusion Crown extension is an important technique in periodontal surgery.