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。
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。
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。
On the basis of that the diamonds distribute in the impregnated bit homogeneously, the article calculates the cutting depth and the normal force on the protrusion diamond on the crown.
本文以金刚石在孕镶钻头中均匀分布为基础，从理论上推导出唇面径向不同位置的金刚石切深、受力。
The paper discusses the necessity of applying double stepped backup rolls, and describes the methods for calculating the contact length and stepped depth and work roll crown.
论述了采用双阶梯支承辊的必要性。提出了接触长度、阶梯深度及工作辊凸度的计算方法。
The crown extension technique; The root hauling technique; The gum excision; The depth of gingival sulcus.
牙冠延长术；根牵引术；牙龈切除术；龈沟深度。
The crown extension technique; The root hauling technique; The gum excision; The depth of gingival sulcus.
牙冠延长术；根牵引术；牙龈切除术；龈沟深度。
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