Journal of Oral Science Research
Clinical Observation and Risk Factors Analysis of Crown Lengthening of Mandibular Second Molar
JIA Yan, YU Huan, ZHANG Yan, SHI Xue, WANG Zhitao, ZHANG Zheng
Journal of Oral Science Research . 2024, (2): 130 -135 .  DOI: 10.13701/j.cnki.kqyxyj.2024.02.007