Power brushing and chemical denture cleansers induced color changes of pre-polymerized CAD/CAM denture acrylic resins oleh Afnan F Alfouzan, Alhanouf N AlNouwaisar, Njood F AlAzzam, Hanan N Al-Otaibi, Nawaf Labban, Mashaal H Alswaidan, Sara M Al Taweel, Huda A Alshehri