Influence of Piperine on Collagen Color and Degree of Conversion of a Universal Adhesive System Applied to Bleached Dentin. GJMR [Internet]. 2024 Jan. 8 [cited 2026 Jan. 30];23(J4):1-7. Available from: https://medicalresearchjournal.org/index.php/GJMR/article/view/102476