Methods The therapeutic effect of collateral branch root canal filled with hot gutta percha guillotine operation on periapical lesions was observed and the related clinical cases were analysed.
Methods The therapeutic effect of collateral branch root canal filled with hot gutta percha guillotine operation on periapical lesions was observed and the related clinical cases were analysed.
方法 通过临床病例分析 ,观察热牙胶挤压术充填侧支根管对根尖周病变的治疗效果。