Comparison of optical properties and color stability of 3-dimensional (3D) printed shape memory and thermoformed clear aligners: A single-center, prospective clinical trial study.

Lego et al., 2026 · Lego Toni, Malhotra Abhita, Batra Puneet, et al. · American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics · 2026