Transfer accuracy of partially enclosed single hard vacuum-formed trays with 3D-printed models for lingual bracket indirect bonding: A prospective in-vivo study - Viet Anh Nguyen; Thuy Anh Nguyen; Hong Le Doan; Thi Hanh Pham; Bich Ngoc Doan; Thi Thanh Thuy Pham; Viet Hoang (PLoS ONE, 2025)