Journal of Oral Science Research
Comparative Study of Root Surface after Ultrasonic Scaling under Microscope and Under Direct Vision.
CHEN Guan-ting, LIAO Hai-qing, ZHANG Hui-hui, CAO Zheng-guo.
Journal of Oral Science Research . 2017, (6): 623 -625 .  DOI: 10.13701/j.cnki.kqyxyj.2017.06.011