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搜索结果: 1-3 共查到口腔正畸学 Fracture strength相关记录3条 . 查询时间(0.093 秒)
The purpose of this study was to compare the fracture strength of different ceramic brackets under different surface conditions and ligation methods using a torsional wire bending force. Five differ...
One of the most common areas of ceramic bracket fracture is within the tie-wing complex. When an archwire is ligated into position, tensile forces are placed under the tie wing. However, no study,...
Objective: To test the hypothesis that fluoride prophylactic agents do not affect the fracture strength and fracture morphology of the tie-wing complex of ceramic brackets.Materials and Methods: The f...

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