Comparing the Effects of Denture Base Materials on Hygiene of Mucosal Denture Bearing Area

This study attempted to evaluate the effects of using partial denture on the oral mucous membrane of the denture bearing area between 48 patients attended the private clinic seeking RPD treatment , two types of denture material were used (Hard or heat cured acrylic partial denture and flexible(Nylon) partial denture) .Flexible dentures exhibited viscoelastic behaviour that lead to improvement in masticatory function and patients comfort compared with hard dentures .Flexible dentures showed little effects on the mucosa of denture bearing area and little changes on the mucosa, but there were high influences on the soft tissues properties with using hard acrylic denture type . Denture hygiene found mainly fair in both hard and flexible(nylon) denture base materials.