Analysis of changes in the thickness, elasticity and facial aesthetic index of the lip soft tissue before and after implant restoration in patients with maxillary anterior tooth loss

Qi Lulu, Jiao Tiejun, Wang Xiaobo, Liang Huiling, Huo Jinrong

Shanghai Journal of Stomatology . 2026, (3): 276 -280 . DOI: 10.19439/j.sjos.2026.03.009