温度变化对粘接剂抗剪切强度的影响

China Practical Medicine(2008)

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Abstract
目的研究温度变化对粘接剂抗剪切强度的影响。方法收集因正畸需要而拔除的前磨牙45颗随机等分为3组,粘接托槽,进行冷热循环,测定并记录抗剪切强度和牙面残留粘接剂指数(ARI)。结果冷热循环后粘接强度明显降低(P<0.05);ARI记分无差别(P>0.05)。结论在体外粘接强度实验中应进行冷热循环实验。
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