如果你有龋病史，戴的有牙冠，冠桥修复体或者戴的有牙套，你应该更勤快的去看牙医。
If you have a history of cavities or crown and bridge work, or are wearing braces, you should visit the dentist more often.
需要做成瓷牙冠套或烤瓷冠套。
That tooth needs a porcelain jacket or a ceramic veneer crown.
结果：经修复的残冠残根能恢复牙体牙冠的生理形态和正常的切割、咬牙合咀嚼功能。
Results:The repaired residual coronas and roots recovered their physiological functions and the normal function of cutting, chewing and artculating.
结论用铸造法制作桩冠桩核强度高，与根管壁密合，粘固手不易脱落与原烤瓷牙冠密合，不需要重新制作，节约了时间和费用，延长了烤瓷冠的使用寿命。
Conclusion This method could obtain the strength of crown dowel with root cavity without fall and cleft so that to save time and payment and prolong the use of ceramic teeth.
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：观察根管治疗后的下颌磨牙冠缺损类型与冠根折的关系。
Objective: To evaluate the relationship between crown defect types and crown fractures of root-canal-treated mandibular molars.
因此前牙做牙冠及柱心冠心，主要是为了美观问题，或是因为齿质剩下太少的缘故。
Heart and Crown of anterior teeth Crown and columns, mainly to appearance issues, or because ivory leaving too little reason.
当牙齿的齿质剩下不多时候，若要做牙冠，则必须在牙根内打钉子，做上冠心，以做出牙齿必要的假牙支撑部分。
When the ivory of teeth not much time left, to Crown, you must hit the nail in the teeth, coronary heart on doing, necessary to make teeth denture supporting parts.
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。
Abstract: Objective to compare the restorative effects of crown lengthening surgery and gingivectomy on dowel crown of deep-seated subgingival teeth 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.
瓷沉积冠相比以前其他全瓷牙冠最大的优点就是精密性和强度大的最好结合，美观效果也比较好。
Porcelain crown deposition compared to other all-ceramic crowns before the biggest advantages is the precision and the best combination of strength, the results would be better looking.
瓷沉积冠相比以前其他全瓷牙冠最大的优点就是精密性和强度大的最好结合，美观效果也比较好。
Porcelain crown deposition compared to other all-ceramic crowns before the biggest advantages is the precision and the best combination of strength, the results would be better looking.
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