Survey of periodontal health in medical college students after 3 years of periodontal health maintenance

GE Lin-hua, LIN Zhi-kai, GUO Qiu-man, NI Jing, QIAN Jie-lei, SHU Rong

Shanghai Journal of Stomatology . 2017, (4): 437 -440 . DOI: 10.19439/j.sjos.2017.04.018