[Treatment of chronic periodontitis in teeth with multiple roots by the method of apicoectomy].
D001047:Apicoectomy; D006801:Humans; D008963:Molar / Q000601:surgery; D010518:Periodontitis / Q000601:surgery*
Lechenie khronicheskikh periodontitov mnogokornevykh zubov metodom rezektsii verkhushek kornei