TESTING OF ZIRCONIA FPD FRAMEWORKS FOR FIXED PROSTHESES: MODEL DESIGN AND EVALUATION OF FRACTURE LOAD.

Rüdiger Junker, Robert Falck, Maximilian Fischl, Gergo Mitov, Dieter Pils, Constantin von See
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Abstract

In our previous test model, the abutment teeth and the model base were printed with resin and bonded with a polyether material. Some abutment teeth were fractured during the mechanical load test. Therefore, the aim was to develop and evaluate a new model under mechanical loading until fracture with zirconia FPD frameworks. At a fracture load of up to 1,636 N, neither the artificial abutment teeth nor the base model fractured. Furthermore, the artificial abutment teeth did not detach from the base model. Therefore, the model should be suitable for mechanical testing of most ceramic-based framework materials for three-unit FPDs.

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用于固定义齿的氧化锆 FPD 框架测试:模型设计与断裂载荷评估。
在我们之前的测试模型中,基牙和模型底座是用树脂打印的,并用聚醚材料粘接。在机械加载试验中,一些基牙断裂。因此,我们的目标是开发一种新的模型,并对其进行评估,在机械负荷下直到氧化锆FPD框架断裂。在 1636 N 的断裂负荷下,人工基牙和基础模型均未发生断裂。此外,人工基牙也没有从基底模型上脱落。因此,该模型适用于大多数陶瓷基底的三单位 FPD 框架材料的机械测试。
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