Stress and movement trend of lower incisors with different IMPA intruded by clear aligner: a three-dimensional finite element analysis

ConclusionsWith the increase in the initial IMPA, the direction of labiolingual force on the mandibular incisors was reversed. However, the root of the lower incisors always tipped labially, which indicated fenestration and dehiscence.

Source: Progress in Orthodontics - February 13, 2023 Category: Dentistry Source Type: research