The Use of Different Adhesives in Bonding Resin Composite to Resin Modified Glass Ionomer Cement
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Abstract
The aim of this study was to evaluate shear bond strength between resin composite and resin-modified glass-ionomer cement using different adhesives. Fifty cylindrical resin-modified glass-ionomer cement were prepared in dental stone mold and randomly divided in to 5 groups (n=10 for each group). Group 1 Optibond Universal), group 2 37% phosphoric acid and Optibond Universal, group 3 Optibond FL, group 4 Optibond S and group 5 Optibond XTR. A small plastic cylindrical tube (2 mm in diameter and 2 mm in height) was placed over resin-modified glass-ionomer cement, filled with resin composite and then light cured 40 seconds. All specimens were stored in distilled water for 24 hours. The shear bond strength test was performed using universal testing machine at a cross head speed of 0.5 mm/minute. The interface of fracture specimens was observed under stereo microscope to confirm mode of failure. Shear bond strength test results were statistically calculated by Kruskal-Wallis test. Mean shear bond strength for group 1, 2, 3, 4 and 5 were 29.67, 29.82, 31.30, 33.00 and 28.01 MPa respectively. There was no statistically different in shear bond strength between any groups (p>0.05). Mode of failure of all specimens were cohesive failure. In conclusion, all adhesive systems give no different in shear bond strength between resin composite and resin-modified glass-ionomer cement.
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บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการลงตีพิมพ์ในวิทยาสารทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่นถือเป็นลิขสิทธิ์เฉพาะของคณะทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่น หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือเพื่อกระทำการใด ๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษร จากคณะทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่นก่อนเท่านั้น
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