Mehods In the neck of tooth odontotolomy and resinfying therapy were applied to treat secondary pulpitis of bicuspid with neck lesion .

方法牙颈部开髓塑化治疗双尖牙颈部损伤并发牙髓炎。

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Conclusion The main supporting force position is on abutments of the bridge supported by tooth-implant; The implant neck is the most possible area for fracture.

结论：天然牙—种植体联合桥主要支撑力的部位是颈缘处，该处为种植体折断机率最大的区域；

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Result:Stress concentration was markedly found on the neck and apex of bone-implant and bone-tooth interface;

结果：种植体与天然牙联冠修复时，种植体、天然牙骨界面颈部和根尖部出现应力集中；

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He sported a braided leather headband and the curved tooth of a canine around his neck.

WSJ: Learning to Dog Sled in Bavaria, Germany