Objective to evaluate the validity of simulated resin transparent tooth models used in the pre-clinical practice training of root canal therapy.

目的评价在根管治疗术的临床前操作训练中树脂透明牙模型的作用和效果。

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CONCLUSION: Transparent simulated root canals blocks could satisfy the demand of pre-clinical practice training of root canal treatment and enhance the learning effect.

结论：自制透明模拟根管模型可以满足牙体牙髓病学前期实习根管治疗教学的要求，提高学生学习兴趣和操作技能，增强根管治疗教学效果。

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Rivera will likely pitch his normal seven or eight innings in spring training games, but could throw additional batting practice sessions or simulated games.

WSJ: Rivera plans to announce if this is final season