primary tooth

1. Effects of Permanent Premolar Germ During Primary Molar Orthodontic Movement and Its Mechanisms in Dog; The most significant variable related to third molar impaction is inadequate space for tooth eruption.
   正畸移动狗乳磨牙对其恒前磨牙牙胚的影响及机制的探讨大多数阻生的下颌第三磨牙磨牙后间隙牙冠近远中径比值小于1。
2. This review will introduce odontclast and its related signal cascades and the cor-relation of permanent successor with physiological root resorption of primary tooth.
   下面就破牙细胞及其相关信号通路、继承恒牙胚对乳牙根吸收的影响和继承恒牙胚缺失下的乳牙根吸收作一综述。
3. Objective To investigate the features of primary tooth structure in hypophosphatasia.
   目的观察低磷酸酯酶症在乳牙结构上的表现。
4. This paper discusses the engine matching with transmission system in reason, primary transmission and gear geometry design parameter the mend of tooth body ( tooth form tooth direction) how to influence the acoustic of motorcycle.
   论文讨论了发动机与传动系统合理匹配、初级传动齿轮几何设计参数和齿部（齿形与齿向）修形对摩托车噪声的影响。
5. Clinical Study of Root Canal Filling with ZOE-Iodoform Paste for Primary Tooth
   乳牙ZOE碘仿糊剂根充的临床研究
6. Conclusion: Bone remodel around the permanent tooth germ resulted from primary tooth orthodontic movement.
   结论：狗乳牙正畸移动后恒牙胚牙周组织发生骨改建。
7. A polarized light and microradiographic study on enamel hypoplasia of the primary tooth
   乳牙釉质发育不全的组织学研究
8. Root canal filling pastes for primary tooth have to meet more needs than paste for permanent tooth, such as being absorbed with root simultaneously and doing no harm to permanent tooth germ.
   乳牙根充糊剂除需具有恒牙根充糊剂的特性外，还需具有充填后能与乳牙牙根同步吸收、对乳牙根尖周组织和恒牙牙胚无害等性质。
9. A primary study of zine supplement on orthodontic tooth movement in rabbits
   补锌对兔牙正畸移动影响的初步研究
10. Clinical research of root canal therapy to primary molars with periapical diseases-caused osteolysis under roots and of tooth germs below
    乳磨牙根尖炎症波及牙胚的根管治疗临床观察
11. Students in middle and primary schools malnutrition rate, decayed tooth and myopic eye ill relatively high rate.
    中小学生营养不良、龋齿和视力低下患病率均较高。
12. The primary factors which influence the interference law have been found and the author also expounds the theoretical basis for taking some important measures to improve the precision of the hob tooth flank during its manufacturing process.
    从中可以找出影响这种干涉规律的主要因素，同时阐明了现场为提高滚刀齿侧面精度而采取的一些措施的理论依据。
13. PrefaceDental papilla mesenchymal cells differentiate into primary odontoblasts and form primary dentin during tooth development.
    在牙齿发育期间，牙乳头间充质细胞分化为成牙本质细胞，形成原发性牙本质；
14. Methods: Digital image manage system ( Digora system) was utilized to save and analyze the X ray image information of primary tooth treated by RCT with ZOE iodoform paste. The cases of overfilling were collected from this system and reviewed 3 months after treatment.
    方法：利用Digora数字图像处理系统能大量存储X线图像资料的特点，对临床上ZOE碘仿糊剂根充超充的乳牙进行术后3个月的复查。
15. Relationship between Fluoride Concentration of Primary Tooth Enamel and Dental Caries
    乳牙釉质表面氟浓度与患龋状况的关系
16. Objective: To evaluate the effect of overfilling with zinc oxide eugenol ( ZOE) on root canal therapy ( RCT) for primary tooth.
    目的：观察ZOE碘仿糊剂根充超充对乳牙根管治疗疗效的影响。
17. Thirdly, as one of oblique plane primary enveloping worm drive, which has more meshing tooth pairs, it has high contact ratio leads to strong bearing capability, which near to plane double enveloping worm drive.
    第三它作为斜平面一次包络蜗杆传动中的一种，啮合齿对较多，因此啮合重合度高，传动副承载能力强，承载能力仅次于平面二次包络蜗杆传动而强于圆柱蜗杆传动；
18. The primary study is around the effect of Nd: YAG Laser treatment of dentin hypersensitivity, the respondences of dental pulp and the morphological changes of tooth hard tissues after irradiation.
    目前，主要的研究集中在激光治疗的效果、牙髓的反应和对牙齿硬组织的影响方面。
19. The primary goal to control the machining accuracy of the worm now is to make sure that the actual processing tooth surface is consistent with the theoretical tooth surface in geometry structure.
    现在对蜗杆加工精度控制的首要目标就是要实现实际加工齿面与理论齿面在几何结构上相一致。
20. This process is called replacement of primary and permanent teeth, which is a complex and rigorous physiological process participated by multiple factors and multiple cells. At present, the main research direction are resorption of primary dental roots and development of permanent tooth germs.
    此过程是多因素、多细胞参与的复杂又严密的生理过程，目前的研究方向主要为乳牙根吸收和恒牙胚的发育。
21. By integrating the methods of poles combined with slots, optimizing the length of the primary core and tooth shape, the paper sets up the optimization model of the detent force of the permanent magnet linear motor with 8 poles and 9 slots.
    综合应用极槽配合、初级铁芯长度优化、边端齿形状优化等方法，建立了8极9槽永磁直线电机磁阻力优化模型。

noun

1. one of the first temporary teeth of a young mammal (one of 20 in children)

   Synonym:    deciduous toothbaby toothmilk tooth