含10-甲基丙烯酰氧癸二氢磷酸酯粘接剂对氧化锆陶瓷与树脂水门汀粘接强度和边缘封闭的影响  

Effects of 10-methacryloxy decyldihydrogen phosphate-conditioned adhesive in improving the bonding strength and marginal sealing of zirconia ceramics and resin

作　　者：刘芳[1] 谢小飞[1] 张容秀 徐丽 高益林[1] 李建成[1] LIU Fang;XIE Xiao-fei;ZHANG Rong-xiu;XU Li;GAO Yi-lin;LI Jian-cheng(Department of Stomatology,the First Affiliated Hospital of Bengbu Medical College,Bengbu,Anhui 233004,China)

机构地区：[1]蚌埠医学院第一附属医院口腔科,安徽蚌埠233004

出　　处：《中华全科医学》2022年第6期937-940,共4页Chinese Journal of General Practice

基　　金：安徽高校合作攻关和公共卫生协同创新项目(GXXT-2020-021);蚌埠医学院自然科学重点项目(BYKY2019019ZD);蚌埠医学院自然科学基金面上项目(BYKY18106)。

摘　　要：目的研究含10-甲基丙烯酰氧癸二氢磷酸酯(MDP)的粘接剂对提高氧化锆陶瓷和树脂水门汀之间的粘接性和密封性的影响。方法本研究分为体外实验和临床实验两部分。体外测试制作80块氧化锆陶瓷试件,采用随机数字表法分为2组,每组40个试件,其中常规组试件喷砂后直接将氧化锆陶瓷和树脂水门汀粘接,实验组试件喷砂后则使用含有MDP的粘接剂处理后再和树脂水门汀粘接。选择2018年1—12月于蚌埠医学院第一附属医院口腔科完成下颌第一磨牙根管治疗后行氧化锆陶瓷全冠修复治疗的80例患者,采取随机数字表法将其分为常规组和实验组,每组40例,临床操作和体外测试方法一致。体外实验比较2组试件粘接强度、边缘封闭性,临床实验比较患者满意度。结果冷热循环前,实验组试件粘接强度[(20.35±0.59)MPa]明显大于常规组[(16.03±0.51)MPa,P<0.01];冷热循环处理后,实验组与常规组试件粘接强度均有明显下降(P<0.01),但实验组下降幅度小于常规组。通过甲基蓝溶液处理后,实验组试件断面渗漏程度[(0.63±0.01)μm]显著小于常规组[(1.34±0.02)μm,P<0.01]。实验组患者总满意率(90.00%)高于常规组(72.50%,P<0.05)。结论氧化锆陶瓷和树脂水门汀粘接时使用含MDP的粘接剂可有效提升粘接强度,增强粘接边缘密封性,从而提高氧化锆陶瓷使用寿命以及患者粘接满意度,具有广泛的临床应用价值。Objective To evaluate the effects of 10-methacryloxy decyldihydrogen phosphate(MDP)-conditioned adhesive in improving the bonding strength and marginal sealing of zirconia ceramics and resins.Methods This study consisted of in vitro and clinical trials.Eighty zirconia ceramic specimens were prepared by in vitro test,and randomly divided into two groups with 40 specimens in each group.The conventional group received the direct adhesion of zirconia ceramics with resin,while the test group received the adhesion of zirconia ceramics under MDP-conditioned zirconia with resin.Eighty patients whose mandibular first molar treated with zirconia all-ceramic crowns after root canal therapy in our hospital were selected as research subjects.According to the random number table method,the patients were assigned to two groups,with 40 cases in each group.The clinical operation was consistent with the in vitro test method.The bonding strength,marginal sealing in vitro and patient's satisfaction from clinical trials were compared.Results Before thermocycling treatment,the bonding strength in the test group[(20.35±0.59)MPa]was significantly higher than that in the conventional group[(16.03±0.51)MPa,P<0.01].The bonding strength in the two groups significantly decreased after thermocycling treatment(P<0.01),whereas the descending degree of the bonding strength in the test group was lower than that in the conventional group.After treatment with methyl blue solution,the leakage of fault surface in the test group[(0.63±0.01)μm]was clearly lower than that in the conventional group[(1.34±0.02)μm,P<0.01].The overall satisfaction in the test group(90.00%)was markedly higher than that in the conventional group(72.50%,P<0.05).Conclusion The MDP-conditioned zirconia can improve the bonding strength and marginal sealing of zirconia ceramics and resin,extend the application time of zirconia ceramics and increase patients'satisfaction.It is recommended to be used in clinical practice.

关 键 词：10-甲基丙烯酰氧癸二氢磷酸酯 氧化锆陶瓷 树脂水门汀 粘接强度 边缘封闭 

分 类 号：R781.05[医药卫生—口腔医学]