Methods:On 38 teeth due to various crown damages or vertical fractures in subgingival lesions were performed with surgical crown lengthening in order to achieve biologic width.
方法：对38颗牙体缺损达龈下的患牙行牙冠延长术，以恢复患牙的生物学宽度。
Methods:On 38 teeth due to various crown damages or vertical fractures in subgingival lesions were performed with surgical crown lengthening in order to achieve biologic width.
方法：对38颗牙体缺损达龈下的患牙行牙冠延长术，以恢复患牙的生物学宽度。
应用推荐