Effect of Over-the-counter Whitening Products on Postbleaching Enamel Surface Roughness and Shade Recovery: An In Vitro Study. - Llancari-Alonzo R; Manrique-Guzmán J; Manrique-Chávez J; Castro-Ramirez L; López-Gurreonero C; Cornejo-Pinto A; Cayo-Rojas C (The journal of contemporary dental practice, 2026)