Primary tooth size asymmetry in twins and singletons

ConclusionsTransmembrane hormonal influence between opposite‐sex twins, and late gestational stress factors, caused by placental malfunction and/or monochorionicity, may be involved in asymmetric growth of antimers, during critical periods of crown size gain.
Source: Orthodontics and Craniofacial Research - Category: Dentistry Authors: Tags: Original Article Source Type: research