Effect of Silanized and Non-silanized Glass Fiber on Water Sorption, Solubility and Roughness of Heat Cured Acrylic Prosthodontic and Orthodontic Appliances

Document Type : Original Article

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1 Removable prosthodontic department, faculty of dental medicine alazhar university, Cairo,egypt

2 Lecturer of Orthodontics Faculty of Dental Medicine Alazhar University

Abstract

water sorption, solubility and roughness are undesirable characteristics of heat cured acrylic resin. Aim of the study: to evaluate water sorption, solubility and roughness of heat cured acrylic resin reinforced with silanized and non silanized glass fiber(5 wt%,10 wt % &15 wt %) Water sorption, solubility and roughness were tested according to International Standards Organization specification No. 20795-1:2013. Materials and Methods: A total of 210 samples were used in this study. group I (Control group) conventional heat cured acrylic resin Group II: HCAR reinforced with glass fiber and Group III: HCAR reinforced with silanized glass fiber). Group II and Group III were divided into 3 sub-groups according to percentage of glass fiber incorporation (5 %,10 % ,15 % ) by weight. Results; The highest value of water sorption was recorded for control group; while the lowest water sorption mean value was recorded for 5% non-silanized glass fiber reinforced group The highest roughness value was for control group, while the lowest roughness mean value was recorded for15% silanized glass fiber reinforced group. The difference between fiber reinforced experimental and control groups was statistically significant as indicated by one-way ANOVA test p value =

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