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Evaluation the Vickers Hardness of denture Base Materials

Open Journal of Stomatology 2016年第4期6卷 114-119页

作者： Zeynep Yesil Duymus Alper Ozdogan Hamza Ulu Ozlem Ozbayram Department of Prosthodontics Faculty of Dentistry Recep Tayyip Erdo?an University Rize Turkey Department of Prosthodontics Faculty of Dentistry Atatürk University Erzurum Turkey

The aim of this study was to evaluate the Vickers Hardness of four different denture base materials. Four different denture base materials were used in this study: Heat-cured pink acrylic resin, self-cured acrylic resin, heat-cured clear acrylic resin and polyamide denture base materials. To-tally 80 disc shaped samples which 2 mm thickness and 40 mm diameter were prepared. The samples were stored in distilled water after polished. Then, Vickers Hardness test was performed with TMTeck HV-1000B (200 gram at 15 second). The statistically analysis of obtained data was performed with use one-way analysis of variance test. The results showed that the highest Vickers Hardness value (18.57 HV) was identified in heat-cured (pink) acrylic resin, the lowest Vickers Hardness value (9.62 HV) was identified in polyamide denture base materials. The result of one-way analysis of variance test showed that there were statistically very highly significant differences between four denture base materials of Vickers Hardness (p denture base acrylic resin was the hardnest denture base materials.

关键词： Hardness denture bases Polyamide

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