Crown depth in soil decreased with fall dormancy increasing.

根颈入土深度随秋眠级数的增加而变浅。

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Objective: To determine the importance of the remaining dentin thickness, preparation depth and post-operative time on the pulpal inflammation after the crown preparation.

目的：观察全冠牙体预备后牙髓牙本质复合体的反应及剩余牙本质厚度和修复时间对牙髓的影响。

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An alternative rest-seat preparation, on the marginal ridge of the canine crown, conserves tooth structure and provides a rest seat of adequate length and depth to ensure support for a cast framework.

另一种休息座位的筹备工作，对边缘嵴冠的犬，保存牙齿结构和提供了充足的休息座位的长度和深度，以确保支持铸造框架。

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