目的旨在建立前牙修复体人工神经网络智能选色设计系统，提高前牙瓷修复体的美学质量。
Objective to set up a neural network model and system to be applied in color selection of anterior porcelain prosthesis, and to improve its cosmetic effect.
目的：使用纤维桩树脂核修复前牙牙体缺损，通过对修复体长期的临床观察，评价其美学效果。
Objective to evaluate the aesthetic effects of anterior teeth defect restored with fiber posts and resin cores after long-term clinical observation.
方法随机选择16例前牙和前磨牙区因瓷裂或瓷崩而导致失败的病例，记录修复体损坏的部位，分析产生失败的原因。
Methods 16 cases with fracture or exfoliation on the area of anterior teeth and premolar were selected, the damage's parts of prosthesis were recorded, and the causes of failure were analyzed.
目的：评价IT I种植体在前牙区单颗牙缺失即刻种植即刻负重修复的临床效果。
Objective: to investigate the clinical results of ITI implants System in Immediate implants and Immediate loading of single tooth loss.
目的：评价应用预成圆柱形根管钉对前牙牙体缺损患者冠再接后烤瓷修复体的临床效果。
Objective: To evaluate the clinical of using prefabricated cylindrical root canal pin to lengthen the clinical crown and restoring anterior tooth and premolar defect with PFM.
方法随机选择临床47例前牙和后牙瓷裂或瓷崩失败病例，记录修复体损坏的部位，分析产生失败的原因。
Method47 cases with fracture or exfoliation on the area of anterior teeth, premolar and molar were selected, the damage's pares of prosthesis were recorded, and the causes of failure were analyzed.
方法：8例前牙美观区缺失伴唇颊侧牙槽骨凹陷畸形要求种植修复患者，采用自体碎骨屑移植充填骨缺损区，无孔纯钛膜覆盖治疗，共计植入种植体19枚。
Methods:8patients with bone defects in the aesthetic zone were implant19dental implants, the defects around implants were filled with autograft bones, and then covered by titanium membranes.
本组病例金瓷修复体绝大部分用于前牙和前磨牙的修复，颜色分布以A 2、A 3、B2占多数(70.2%)，大多患者对修复体的形态色泽满意。
Most PFM restorations were used to incisor, canine and bicuspid. The color of the 70.2% restoration was A2, A3 and B2. Most patients were satisfied with the color and form of the restoration.
本文介绍酸蚀技术在修复患儿前牙牙体缺损的应用。
The present paper introduced the use of acid etching technique to restore the defective anterior teeth in child patients.
方法随机选择16例前牙和前磨牙区因瓷裂或瓷崩而导致失败的病例，记录修复体损坏的部位，分析产生失败的原因。结果瓷裂或瓷崩发生在切缘的病例数为10例占6 2。
Methods 16 cases with fracture or exfoliation on the area of anterior teeth and premolar were selected, the damages parts of prosthesis were recorded, and the causes of failure were analyzed.
方法随机选择16例前牙和前磨牙区因瓷裂或瓷崩而导致失败的病例，记录修复体损坏的部位，分析产生失败的原因。结果瓷裂或瓷崩发生在切缘的病例数为10例占6 2。
Methods 16 cases with fracture or exfoliation on the area of anterior teeth and premolar were selected, the damages parts of prosthesis were recorded, and the causes of failure were analyzed.
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