(University of the Western Cape, 2021) Mohammed Khair, Ro'aa Mohammed Jafar Mohammed; Mulder, Riaan
This study aimed to determine the association between dimensional change and surface roughness (Ra) of Vitremer, Activa and Cention N after immersing them into two different media: acidic and artificial saliva media for the period of a year. Measurements were made at 10 time intervals during the observation period.