Comparative studies of cariogenic bacteria of root surface before and after the restoration of post-

• 作 者: GUO Bin LU Yan JIA Yue GUO Xiao-long FU Min CHEN Yuan-yuan YUAN He LIU Jia WANG Yi-zhu
• 机 构: Institute of Stomatology, General Hospital of Chinese PLA, Beijing 100853, China
• 出 处: 第四届国际人体微生态大会、第十三届中华预防医学会微生态学学术会议、第五届中国医师协会感染科医师大会暨传染病诊治高峰论坛、
• 发表日期: 2013年5期

　　Objective To observe the colonized changes of Streptococcus mutans and Actinomyces in the root surface plaque before and after residual crown restoration of mandibular first molars in the elderly.Materials and Methods Mandibular first molars with residual crowns or roots of 30 elderly paitents were included in the studies.They were randomly divided into the residual crown group and the controlled group.