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龋齿的诊断要点

来源:[标签:来源] | 发布时间:2011-05-05 07:53:31 | www.chinesejk.com

◆ 牙齿的色泽、形态及硬度有不同程度的改变;当深度龋齿时,病员主诉对冷、热温度改变和食物嵌塞有刺激痛;当刺激因素解除后,在数分钟内,痛即消失。

◆ 检查时见有龋洞,探诊时敏感或疼痛。

◆ 不论乳牙或恒牙,都可以发生龋齿。龋齿一般都无自发痛。

[处理]

◆ 除乳牙之广泛性表浅龋可采用氨化硝酸银处理外,其他各类龋洞,均应作充填治疗。

◆ 浅层龋洞去龋消毒后,用银汞合金或复合树脂一次完成充填;中层和深层龋窝洞去龋消毒后,要先用暂时粘固粉或锌粘固粉垫基后,再以银汞合金等永久充填材料充填。

(编辑:小鱼 )

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