Journal of Oral Science Research
Effects of Upper Curvature of Lower Lip on Smile Arc Esthetics
DING Hong, WANG Wei, XU Hong, XIU Xia, JIANG Chunmiao
Journal of Oral Science Research . 2021, (8): 696 -701 .  DOI: 10.13701/j.cnki.kqyxyj.2021.08.006