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金属烤瓷修复体已广泛用于口腔临床。临床上有时可见瓷破损或折断,对于瓷折断的修补方法有:①把折断的瓷碎片重新粘到修复体上,②作一瓷罩粘到折断的瓷上,③用复合树脂修补。作者介绍了一种修补瓷折断的简便、可靠、有效的方法。 1.用粗的金钢砂钻将折断部位的瓷磨成斜面。 2.金属备成一定的固位型。若牙体意外暴露则用氢氧化钙、玻璃离子垫底。 3.橡皮障隔湿后用氢氟酸(Ceram-Etch)处理瓷斜面5分钟,水冲洗后吹干。以增加粘接面积。
Porcelain metal restoration has been widely used in oral clinical. Clinically, porcelain is sometimes seen damaged or broken porcelain breakage repair methods are: ① the broken pieces of porcelain re-bonded to the restoration of the body, ② make a porcelain stick to the broken porcelain, ③ composite resin repair. The author introduces a simple, reliable and effective method of repairing porcelain breakage. 1 with a thick gold sand drill will be broken parts of the porcelain ground into a bevel. Metal prepared into a fixed type. If the tooth accidental exposure with calcium hydroxide, glass ion bottom. 3. After rubber dampening with hydrofluoric acid (Ceram-Etch) processing bevel for 5 minutes, rinse with water and then dry. To increase the bonding area.