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ID:36472716
大小:1009.91 KB
页数:41页
时间:2019-05-11
《化学机械微创去龋及常规钻磨去龋的体外研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、上海交通大学硕士学位论文化学-机械微创去龋及常规钻磨去龋的体外研究姓名:陈晖申请学位级别:硕士专业:口腔儿童指导教师:汪俊20070501COMPARISONOFCHEMOMECHANICALCARIESREMOVALUSINGCARISOLVEORTHEROTARYINSTRUMENTINVITROABSTRACTOBJECTIVES:Thepurposeofthepresentstudywastocomparetheefficacyofchemo-mechanicalcariesremova
2、l(Carisolve)totherotaryinstrumentinvitro,offeringthedatafortheselectionofsuitablemethodsforcariesremoval,asabasicinformationinclinic.MATERIALANDMETHODS:Twenty-eightfreshlyextractedteethwithdentincariesweresectionedalongthedentalaxis.Halfofeachcarious
3、lesionoftwenty-eightteethwaspreparedusingtheCarisolvechemo-mechanicalmethodandtheotherhalfusingrotaryinstrument.ThenthecavitysurfaceswereevaluatedbySEMfortenteeth,andanenergydispersiveX-rayanalyzerwasusedtoanalyzetheCa/Pmolratioofothereightteeth.Inad
4、ditional,thesectionsofthelefttenteethwereburnishedandthemicrohardnessofdentinewasmeasured.RESULTS:1.ThesmearlayerandbacterialeftinthecavitywallaftercariesremovalwithCarisolvemethodwasmuchlessthanusingrotaryinstrument.2.Therewasnosignificantdifference
5、betweenCa/Pmolratiointhebottomofcavitytreatedwithtwomethods.ThedifferenceofCa/Pmolratiowassignificantamongthedentinofthecavitywalltreatedwithtwomethodsandhealthydentin.ThestandarddeviationofCa/Pmolratioofexperimentalgroupwasabouttwiceasthecontrolgrou
6、p.3.Therewasnosignificantdifferencebetweenmicrohardnessinthebottomofcavitydentintreatedwithtwomethods.CONCLUSIONS:TheCarisolvemethodwasmoreeffectivelythantherotaryinstrumentinremovingsmearlayerandbacteria.Moredemineralizeddentinincavitywasconservedwh
7、entreatedwithCarisolvechemo-mechanicalmethodcomparedtotherotaryinstrument.KEYWORDS:Caries,Carisolve,therotaryinstrument,Ca/PMolratio,Microhardness上海交通大学学位论文原创性声明本人郑重声明:所呈交的学位论文,是本人在导师的指导下,独立进行研究工作所取得的成果。除文中已经注明引用的内容外,本论文不包含任何其他个人或集体已经发表或撰写过的作品成果。对本文的
8、研究做出重要贡献的个人和集体,均已在文中以明确方式标明。本人完全意识到本声明的法律结果由本人承担。学位论文作者签名:日期:年月日上海交通大学学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定,同意学校保留并向国家有关部门或机构送交论文的复印件和电子版,允许论文被查阅和借阅。本人授权上海交通大学可以将本学位论文的全部或部分内容编入有关数据库进行检索,可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。保密□,在年解密后适用本授权书。本学位论文属于不保密□。(请在以上方
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