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非贵金属烤瓷冠修复后产生“龈黑线”的临床观察 被引量:2

Clinical observation of “black line” in porcelain-fused-to-metal crown margins
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摘要 目的观察非贵金属烤瓷冠修复后上、下前牙牙龈发生“龈黑线”的情况。方法对300颗上、下前牙按全牙冠修复预备的一般要求进行制备,以硅橡胶取模,非贵金属铸造,非贵金属烤瓷修复。结果经过 1~3年随访观察,本文300颗前牙非贵金属烤瓷冠修复后,出现“龈黑线”的比例为10%左右。结论解决“龈黑线”的问题,在牙体制备时修复体颈部需合理设计及常规操作,以及保护牙龈组织非常重要,同时修复体加工时颈部注重瓷层的处理。
出处 《口腔材料器械杂志》 2005年第4期217-218,共2页 Chinese Journal of Dental Materials and Devices
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