Evaluation of the influence of the abutment of the angle screw channel system on the success rate and aesthetic effect of maxillary anterior implant restorations

Zhao Xibo, Feng Baojing, Song Chunyan, Fan Yuting, Yuan Qingmin

Shanghai Journal of Stomatology . 2026, (2): 154 -158 . DOI: 10.19439/j.sjos.2026.02.007