目的：观察后牙纵折保留治疗疗效。
Objective To observe the reservation effect of longitudinal fractures of posterior teeth.
目的：探讨后牙纵折修复治疗的临床效果。
Objective: To study the clinical therapeutic effect of the prosthesis of longitudinal fracture posterior teeth.
结论：后牙纵折后及时诊断并经过完善治疗，可以保存患牙而避免拔牙。
CONCLUSION: Posterior teeth with vertical fracture, extraction may be avoided if prompt diagnoses and consummate treatment were performed.
目的研究后牙冠根纵折的特点和临床表现，客观评价最佳的治疗和预防措施。
Objective To investigate the characteristics and clinical features of the longitudinal fractures of posterior teeth and evaluate the therapeutic methods.
目的应用黏接再植术及牙周翻瓣植骨术对后牙冠根纵折伴牙周脓肿手术治疗的疗效进行评价。
Objective To evaluate the clinical effect of bonding and surgical therapy on fractured crown-root complicated with periodontal abscess.
目的：探索纵折后牙保存治疗的理想方法。
PURPOSE: To explore the ideal method for conservative therapies of posterior teeth with longitudinal fracture.
本文就影响纵折后牙保守治疗预后的因素及其机制作一综述。
The article summarized the factors effecting the prognosis of posterior teeth fractured vertically.
方法：对2001—2007年进行纵折后牙体外黏结再植术治疗的249颗后牙进行随访观察。
Methods: A total of 249 posterior teeth treated bonding and replantation from 2001 to 2007 were followed up.
目的分析上颌第一双尖牙纵折粘结冠及桩核冠修复后牙体各部位的应力改变。
Objective to evaluate the change of the stress distribution of different treatment and compare with normal tooth.
目的分析上颌第一双尖牙纵折粘结冠及桩核冠修复后牙体各部位的应力改变。
Objective to evaluate the change of the stress distribution of different treatment and compare with normal tooth.
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