High-precision teeth reconstruction based on automatic multimodal fusion with CBCT and IOS

Zhiyuan Ren, Long Ma, Minfeng Xu, Guangshun Wei, Shaojie Zhuang, Yuanfeng Zhou

Abstract: Highlights•High-precision 3D teeth model with real roots and accurate crowns.•Dental arch curves are fitted as the a priori information for coarse alignment.•The accurate point correspondence between models by conformal parameterization.•The nonrigid registration optimization method with a smoothness term.