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目的：观察新型复合树脂材料Ｄｙｒａｃｔ与牙齿间密合度。方法：应用扫描电镜技术。结果：低倍镜下样品全貌密合度好；放大１０００倍观察４牙合壁、龈壁均无微缝隙。４牙中仅１牙轴壁处有２μｍ左右微缝隙，可能是填压不紧形成的。结论：Ｄｙｒａｃｔ与牙齿间密合度良好。
Abstract：Aim:The adaptation to the teeth by Dyract, a newly developed compomer restoration system, was observed.Methods: Using scanning electron microscopy.Results: Under lower amplication, the samples showed good adaptation, and under amplication of 1 000, no microleakage of occlusal wall and gingival wall in four teeth and axis wall in three teeth was observed. There was a microleakage of about 2μm at axis wall in a teeth, which was supposed to be formed due to unclosed filling. Conclusions: The adaptation to the teeth by Dyract showed good adaptation.
1洪法廉，韩永战，李耀君．图象分析仪观察粘结剂与牙齿密合度．现代口腔医学杂志，1990；4：222新海航一．各种コっボヅットレヅンの窝洞适合性びづひ．口齿保志，1985；28：6423侯本祥，洪法廉，刘鲁川．玻璃离子水门汀与复合树脂的密合度研究．第四军医大学硕士论文．4李晨军，王鑫源，洪法廉．LGIC和GIC与牙釉质间抗剪粘结强度．牙体牙髓牙周病学杂志，1994；4（3）：1545侯本祥，洪法廉，刘鲁川．玻璃离子水门汀与牙本质的剪切粘结强度．牙体牙髓牙周病学杂志，1992；2（1）：136HinouraK．Dentinbondstrengthoflight－curedglass－ionomercements．JDentRes，1991；70：10547洪法廉，韩永战，蒋继英等．各类粘结剂与牛牙抗剪粘结强度．口腔医学，1991；11：1388李颖超，王光华，洪法廉．各种牙齿清洁剂对洞壁玷污层清洁效果．实用口腔医学杂志，1989；5（2）：100
基本信息:
中图分类号:TH742
引用信息:
[1]洪法廉,洪咏菊,李友谊,蒋维中.Dyract与牙齿间密合度的扫描电镜观察[J].牙体牙髓牙周病学杂志,1996(04).
1996-12-30
1996-12-30