结果重庆市正常青少年的临床牙冠中心高度与国内外的相关资料测量结果不同。
Results The center height of clinical crowns were different according to different area and race.
其最大特点是既反映大多数牙的临床牙冠中点，又对某些牙位托槽位置进行了调整，实现了无弓丝弯曲的直丝弓矫治目的。
The placement of the incisor teeth bracket was in the middle of the clinical crown, and retention arch wire was straight wire without step bends.
目的：对30例下颌第三磨牙冠周炎盲袋内的内容物行细菌学研究，希望能筛选出临床治疗冠周炎的敏感药物。
Aim: To find out the sensitive drugs after studying the contents of the pockets of 30 lower third molar pericoronitis.
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.
目的观察部分活髓切断术治疗年轻恒牙冠折露髓的临床效果。
Objective to investigate the clinical effect of partial pulpotomy on young permanent incisors with complicated crown fracture.
结论：牙龈切除术与牙冠延长术应用于牙体劈裂达龈下较深部位患牙均能明显改善龈袋深度，而后者的临床疗效优于前者。
Conclusion: Both gingivectomy and prolongation of dental crown could shorten the depths of the gingival pocket. The clinical effect of the latter is better than that of the former.
用数显游标卡尺测量实验组模型牙冠高度，牙弓宽度和长度，计算出临床冠中心高度，并与对照组进行对比分析研究。
The height of crowns, the center height of clinical crowns, and the width and length of the dental arch were measured with a digital vernier calliper.
目的观察牙体牙髓-正畸方法联合处理恒上前牙冠根折的临床疗效。
Objective To observe the clinical efficacy of endodontic-orthodontic combined treatment for anterior teeth with crown-root fracture.
目的：对上颌前牙牙冠总宽度与鼻翼宽度的相关性及临床意义的研究。
Objective To investigate clinical significance on correlation between the width of alae nasi and the total width of anterior teeth crown in maxilla.
目的观察临床使用铸造金属多根桩全冠修复磨牙牙冠大面积缺损的效果。
Objective to investigate the effect of restoration of large defects or complete defects with multi-post-core baked porcelain veneer crown or full metal crown.
目的：观察用改进的固定矫治器进行牙根牙合向牵引治疗前牙冠根折的临床疗效。
Objective To observe clinical efficacy of crown lengthening surgery for the treatment of crown-root-fractured teeth, subgingival fractured edge.
目的观察牙冠延长术治疗断缘位于龈下的冠根联合折断牙的临床效果。
Objective:To observe the clinical effect of tooth extrusion with progressive methods for anterior teeth with crown-root fracture.
目的观察牙冠延长术治疗断缘位于龈下的冠根联合折断牙的临床效果。
Objective:To observe the clinical effect of tooth extrusion with progressive methods for anterior teeth with crown-root fracture.
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