longitudinal teeth fracture 纵折
front teeth fracture on neck 前牙颈部折断
anterior teeth crown fracture 前牙冠折
teeth in the fracture line 骨折线上牙齿
Conclusion: If taken for lacking of effective treatment on teeth fracture of prevention methods, then the fracture molar can be conserved.
结论：牙折裂只要采取及时有效的治疗，部分患牙是可以保留的。
Abstract: Objective to compare the restorative effects of crown lengthening surgery and gingivectomy on dowel crown of deep-seated subgingival teeth fracture.
摘要：目的比较牙冠延长术与牙龈切除术用于残根残冠桩冠修复中的疗效。
The brittleness and cold temperatures of ice cubes can actually cause teeth to fracture.
冰块的脆性和低温竟然能致牙齿断裂。
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