摘要
目的观察比较镍铬合金和金合金为基底烤瓷冠对牙龈组织的影响。方法对镍铬合金和金合金为基底烤瓷冠各50例从龈缘充血、龈乳头水肿和色素沉着进行比较统计。结果镍铬合金为基底的烤瓷冠修复后有18例引发牙龈异常反应或龈缘出现色素沉着(黑线出现)情况,金合金为基底的烤瓷冠修复后一例出现龈缘充血现象。结论以金合金为基底的烤瓷冠修复后对牙龈组织无明显不良影响;镍铬合金为基底的烤瓷冠在一定程度上可引起牙龈组织的异常反应。
Objective To observe and compare the effects on the gingival tissue produced by Ni Cr alloy based and gold alloy based porcelain crowns. Methods 50 cases were chosen for both Ni-Cr alloy based and gold alloy based porcelain crowns so as to make comparison and work out statistics in terms of gingival margin injection, gingival papilla edema and pigmentation. Results 18 cases which used Ni-Cr alloy based porcelain crowns induced such conditions as gingival abnormal reaction and pigmentation , black line, on the gingival margin. Only one case which used gold alloy based porcelain crown caused gingival margin injection. Conclusion Restoration where in gold alloy based porcelain crowns were used would impose no obvious harmful effect on gingival tissue; Ni-Cr alloy based porcelain crowns could to some extent cause abnormal reactions of gingival tissue.
出处
《口腔材料器械杂志》
2005年第2期75-76,共2页
Chinese Journal of Dental Materials and Devices
