Low-frequency ultrasound treatment of chronic venous leg ulcers in an outpatient therapy |
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Authors: | M Peschen M Weichenthal E Sch?pf W Vanscheidt |
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Affiliation: | Department of Restorative Dentistry, Ege Universitesi, Dis Hekimligi Fakultesi, Izmir, Turkey. |
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Abstract: | An in vitro dye leakage study was performed to compare the sealing ability of glass ionomer, composite resin and glass ionomer/resin cement when used as restorative materials for G.V. Black class V cavities. In this research, standard Class V cavities were prepared in sound premolar teeth extracted for orthodontic reasons. The cavities were randomly divided into 3 groups. After filling the cavities with glass ionomer cement, composite resin and light curing glass ionomer/resin cement, the specimens were immersed in silver nitrate solution. Marginal microleakage at the interface between the cavity wall and restoration was evaluated. The results were analyzed by using Kruskal-Wallis and Mann Whitney U tests. Result of this in vitro study indicate that composite resin and glass ionomer/resin cement provide a better seal than glass ionomer cement. |
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