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:【目的】探讨SuperBondC&B粘接材料在根管形态或结构不良的前牙桩冠修复中的运用。【方法】利用SuperBondC&B粘接材料对 18例前牙牙根出现喇叭型根管口、薄弱根管壁或牙根隐裂的患者进行根管重塑后再做常规铸造烤瓷桩冠修复 ,跟踪 3个月到 1 5年 ,观察其临床疗效。【结果】除 1例在观察 1年后出现铸桩松动外 ,其余修复体均固位良好 ,未出现牙根纵裂 ,SuperBondC&B材料无折裂 ,基牙牙槽骨支持情况无明显变化。【结论】利用适当的材料对形态或结构不良的根管进行重塑后再行桩冠修复可获得良好的修复效果
: 【Objective】 To investigate the application of SuperBond C & B adhesive in the restoration of anterior teeth crowns in the form of root canal or poor structure. 【Methods】 18 cases of anterior tooth root appeared trumpet root canal mouth, weak root canal wall or root cracked patients with root canal remodeling after SuperBondC & B adhesive materials were used to do conventional cast post crown repair, followed by 3 Month to 15 years, observe its clinical efficacy. 【Results】 The results showed that there was no evidence of root longitudinal rupture, no fracture of SuperBondC & B, and no significant change of alveolar bone support. 【Conclusion】 Good results can be achieved by using suitable materials to reconstruct the root canal with poor shape or structure after rehabilitating the crown