Journal of Oral Science Research
Supernumerary Primary Molar and Permanent Tooth and Congenital Absence of Left Mandibular First Molar: A Case Report
GAO Hong, LI Zhengchen, TANG Mingna
Journal of Oral Science Research . 2022, (7): 691 -693 .  DOI: 10.13701/j.cnki.kqyxyj.2022.07.023