germ tooth

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。

Conclusion: BSP and OPN are involved in tooth germ development and tooth tissues mineralization, they have played role in tooth development.

结论：BSP、OPN参与牙胚的发育及牙体硬组织的矿化成熟，在牙齿发育中发挥关键作用。

RESULTS: SHIP positive signals were observed in the osteoclasts, odentoclasts and enamel of permanent tooth germ.

结果: SHIP在破骨细胞 、 破牙细胞和恒牙胚釉质层表达阳性.

MEHTODS: By immunohistochemistry, SHIP expression was examined in the tissue membrane , alveolar bone, permanent tooth germ.

方法: 应用免疫组织化学的方法检测SHIP在犬乳恒牙替换期组织中的表达.

Conclusion: Shh and its receptor are expressed during the late bell stage of mouse tooth germ.

结论: Shh及 其受体Ptc在小鼠牙胚钟状晚期有表达.

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。

CONCLUSION: P75NGFR participates in the developmental process of tooth germ and tooth tissues.

结论：P75NGFR参与牙胚及牙体硬组织的发育过程。