Relationship among gingival thickness, underlying alveolar bone thickness, and sagittal root position in the maxillary anterior

Jie Yuan, Yong Wen, Haiyun Huang, Xin Xu, Baoqi Jiang

West China Journal of Stomatology . 2018, (4): 389 -393 . DOI: 10.7518/hxkq.2018.04.008