暂封材料对窝洞充填后微渗漏影响的实验研究  

A study of microleakage of fillings affected by temporary restoration

作　　者：戈军 唐玉萍[2] 

机构地区：[1]乌鲁木齐市口腔医院牙体牙髓科,新疆乌鲁木齐830002 [2]解放军第23医院口腔科,新疆乌鲁木齐830002

出　　处：《临床口腔医学杂志》2011年第7期395-396,共2页Journal of Clinical Stomatology

摘　　要：目的:研究暂封材料对复合树脂充填后微渗漏的影响,探讨减少微渗漏的方法。方法:60颗离体牙备Ⅰ类洞后随机分为三组。A、B组为实验组,用氧化锌丁香油粘固剂暂封1周,超声波清洗去除暂封材料,A组再用气水枪冲洗、B组再用75%酒精擦拭及气水枪冲洗。然后用光固化树脂充填窝洞;C组为对照组,不暂封窝洞而直接进行光固化树脂充填。用染色法制备微渗漏检测标本,测量比较各组充填后的微渗漏情况。结果:A组微渗漏大于B组和C组(P<0.05),B组和C组间无统计学差异(P>0.05)。结论:暂封材料残留有增加充填后微渗漏的可能性;超声波清洗后用75%酒精擦拭洞壁可以有效地减少微渗漏的发生及微渗漏程度。Objective：To evaluate the microleakage of restorations with composite resin after temporary restoration and to study the method to reduce microleakage.Method：60 teeth were prepared and than divided randomly into three groups.The control groups include A and B were temporary restoratived by zinc oxide engenol.After temporary restorations were removed by,the cavities of group A were flushed and group B were cleaned by 75 % alcohol and flushed.All cavities of A and B were filled with composite resin.As normal group,group C were filled directly without temporary restoration.The microleakage were measured and compared in different groups.Result：The group A had larger microleakage than group B and C（P〈0.05）;there were no statistic difference between B and C（P〉0.05）.Conclution：The microleakage may increase after temporary restoration.It can reduced microleakage effectively that cavities are cleaned by ultrasonic cleaning and 75 % alcohol.

关 键 词：微渗漏 暂封 氧化锌丁香油粘固剂 

分 类 号：R781.05[医药卫生—口腔医学]