祝秀娟 袁颖 王海燕

    [关键词] 牙冠延长术;牙周基础;前牙不良冠修复体;牙周病;美观

    [中图分类号] R783.3? ? ? ? ? [文献标识码] B? ? ? ? ? [文章编号] 1673-9701(2021)27-0074-04

    Aesthetic effect of crown lengthening combined with periodontal non-surgical treatment in treating periodontal disease caused by bad crown restoration of anterior teeth

    ZHU Xiujuan1? ?YUAN Ying2? ?WANG Haiyan1

    1.Department of Stomatology， Zhejiang Lvcheng Cardiovascular Hospital， Hangzhou? ?310000， China; 2.Department of Stomatology， Tongde Hospital of Zhejiang Province， Hangzhou? ?310000， China

    [Abstract] Objective To analyze the aesthetic effect of crown lengthening combined with periodontal non-surgical treatment in the treatment of periodontal disease caused by bad crown restoration of anterior teeth. Methods A total of 84 patients with periodontal disease caused by bad crown restoration of anterior teeth were selected from Zhejiang Lvcheng Cardiovascular Hospital and Zhejiang Tongde Hospital from January 2018 to January 2020. They were divided into two groups according to the numerical random table method. Forty-two patients in the control group were treated with periodontal non-surgical treatment. Forty-two patients in the observation group ......