Research progress in the mandibular molar implant restoration with frontal resorption The most significant variable related to third molar impaction is inadequate space for tooth eruption .

种植修复下颌磨牙区牙槽骨吸收的研究与进展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。

To observe lesions related to impacted mandibular wisdom tooth and analyse the relation to angular position and level of eruption 1611 roentgenograms of mandible were examined .

对我院2年来收治的1611例下颌阻生 智齿的有关病变进行了X光片观察，并结合阻生智齿 牙位方向与 萌 出水平进行了分析。

In truth both root development and the stimuli that initiate tooth eruption are complex and still little understood .

事实上，牙根的发育以及让 牙齿 冒 出的刺激都很复杂，目前知道得很少。

Advanced research on tooth eruption mechanism

牙齿 萌 出机制的研究进展

Tooth eruption is a complex and tightly regulated process involved in both odontogenic and osteogenic cells .

牙齿 萌 出是一个复杂且受到严密调控的过程。

There is no significant relationship between calcium and dentition and tooth eruption sequence .

同时采用四格表卡方检验分别检验钙制剂与牙列期、 牙 萌 出顺序的关系，P0.05。

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。

After the tooth eruption S.mutans begins to adhere and aggregate on its surface eventually forming a complex biofilm structure to adapt to the fluctuant oral environment and lead to caries when the conditions are permit .

牙齿 萌 出到 口腔后，变链菌即在 牙面黏附和聚集，最终形成复杂的生物膜结构以适应不断变化的口腔环境，并在条件合适时致龋。

RESULTS ; Among the 84 cases treated with CO2 laser complete eruption of tooth crown was observed in 80 cases partial eruption in 4 bleeding after operation in 4 swelling and pain following treatment were not observed .

结果：CO2激光治疗组84例， 牙冠充分暴露80例，部分 暴露4例，术后出血4例，无术后肿胀及疼痛；

Conclusion : CSF-1 and PTHrP can decrease the expression of OPG of human dental follicle cells at some stage during tooth eruption .

结论：在 牙齿 萌 出的某时期牙囊自分泌和旁分泌的CSF-1和PTHrP有降低人牙囊细胞OPG表达的作用。

Providing a foundation for tooth eruption ;

为 牙齿 萌 出提供基础；

At present it has been proved that OC and OD are two important functional cells involved in the physiological absorption of deciduous tooth root and the formation of the tooth eruption passage .

现已证实，OC和OD是参与 乳牙根生理性吸收和 萌 出道形成的两种重要功能细胞。