Mulder, RiaanMohammed Khair, Ro'aa Mohammed Jafar Mohammed2021-04-062024-06-042021-04-062024-06-042021https://hdl.handle.net/10566/15833Magister Theologiae - MThThis 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.enAcidic mediaArtificial salivaFluoride releasePhysical propertiesSurface roughness (Ra)VitremerComparative in vitro study of selected physical properties of activa, cention n and vitremerUniversity of the Western Cape