The effect of the applied stress magnitude on the average size of O phase is up to 106% and the size standard deviation of O phase increases considerably with applied stress increasing.
外加应力大小对O相析出平均尺寸的影响可达106%，并且O相析出的尺寸标准差随外加应力增加而显著增大。
Methods: the finite element model was created by using the standard edentulous jaws model; its stresses and deviation were analyzed with the three-dimensional finite element stress analysis method.
方法：以标准的无牙颌模型为原形建立无牙颌全口义齿的有限元模型，运用三维有限元应力分析。
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