圆度值等于1的生理性根尖孔形态为正圆形，大于1的为非正圆形，数值越接近于1形态越接近于正圆形。

A physiological foramen with roundness equal to 1 was defined to have a non-round instead of a round shape.

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圆度值等于1的生理性根尖孔形态为正圆形，大于1的为非正圆形，数值越接近于1形态越接近于正圆形。

A physiological foramen with roundness equal to 1 was defined to have a non-round instead of a round shape.

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