这些证据是极具说服力的，“克林根贝格说道。

The evidence is very strong, " said Klingenberg.

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目的比较预备与不预备的根管以及预备后充填与不充填的根管抗折力。

Objective To compare the resistance to fracture of the root canals after instrumentation or not.

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司机注意力不集中，突然车子撞到一根水泥拄上。

The driver wasn't paying attention when the car suddenly ploughed into a cement pole.

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结论全椎弓根螺钉系统具有良好的三维矫正控制力，矫正效果良好，并发症少。

Correct effect plane and sagittal plane were obviously better in screw - rod systems.

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结论全椎弓根螺钉系统具有良好的三维矫正控制力，矫正效果良好，并发症少。

Correct effect plane and sagittal plane were obviously better in screw - rod systems.

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