北京大学学报(医学版)
北京大學學報(醫學版)
북경대학학보(의학판)
JOURNAL OF BEIJING MEDICAL UNIVERSITY(HEALTH SCIENCES)
2014年
3期
474-477
,共4页
激光疗法%牙窝洞制备%微渗漏%牙%乳
激光療法%牙窩洞製備%微滲漏%牙%乳
격광요법%아와동제비%미삼루%아%유
Laser therapy%Dental cavity preparation%Dental microleakage%Tooth%deciduous
目的:Er:YAG激光备洞和传统的涡轮钻针备洞,使用不同粘接系统和界面处理方式,对乳牙树脂充填的微渗漏效果进行研究。方法:50颗乳牙随机分为5组,第1组:涡轮钻针预备+全酸蚀粘接充填;第2组:涡轮钻针预备+自酸蚀粘接充填;第3组:Er:YAG激光预备+全酸蚀粘接充填;第4组:Er:YAG激光预备+自酸蚀粘接充填;第5组:Er:YAG激光预备后不酸蚀+配合全酸蚀粘接剂充填,对不同组进行微渗漏体视显微镜检查。结果:涡轮钻针+全酸蚀组和涡轮钻针+自酸蚀组的微渗漏分别高于Er:YAG激光+全酸蚀组和Er:YAG激光+自酸蚀组(P<0.05);涡轮钻针+全酸蚀组与Er:YAG激光+不酸蚀组的微渗漏差异无统计学意义。 Er:YAG激光预备的3个组中,全酸蚀组和自酸蚀组的微渗漏都低于不酸蚀组,但组间差异无统计学意义。结论:激光并不能代替全酸蚀剂的作用,激光照射后使用自酸蚀粘接系统,充填体的边缘适合性更好,微渗漏小。
目的:Er:YAG激光備洞和傳統的渦輪鑽針備洞,使用不同粘接繫統和界麵處理方式,對乳牙樹脂充填的微滲漏效果進行研究。方法:50顆乳牙隨機分為5組,第1組:渦輪鑽針預備+全痠蝕粘接充填;第2組:渦輪鑽針預備+自痠蝕粘接充填;第3組:Er:YAG激光預備+全痠蝕粘接充填;第4組:Er:YAG激光預備+自痠蝕粘接充填;第5組:Er:YAG激光預備後不痠蝕+配閤全痠蝕粘接劑充填,對不同組進行微滲漏體視顯微鏡檢查。結果:渦輪鑽針+全痠蝕組和渦輪鑽針+自痠蝕組的微滲漏分彆高于Er:YAG激光+全痠蝕組和Er:YAG激光+自痠蝕組(P<0.05);渦輪鑽針+全痠蝕組與Er:YAG激光+不痠蝕組的微滲漏差異無統計學意義。 Er:YAG激光預備的3箇組中,全痠蝕組和自痠蝕組的微滲漏都低于不痠蝕組,但組間差異無統計學意義。結論:激光併不能代替全痠蝕劑的作用,激光照射後使用自痠蝕粘接繫統,充填體的邊緣適閤性更好,微滲漏小。
목적:Er:YAG격광비동화전통적와륜찬침비동,사용불동점접계통화계면처리방식,대유아수지충전적미삼루효과진행연구。방법:50과유아수궤분위5조,제1조:와륜찬침예비+전산식점접충전;제2조:와륜찬침예비+자산식점접충전;제3조:Er:YAG격광예비+전산식점접충전;제4조:Er:YAG격광예비+자산식점접충전;제5조:Er:YAG격광예비후불산식+배합전산식점접제충전,대불동조진행미삼루체시현미경검사。결과:와륜찬침+전산식조화와륜찬침+자산식조적미삼루분별고우Er:YAG격광+전산식조화Er:YAG격광+자산식조(P<0.05);와륜찬침+전산식조여Er:YAG격광+불산식조적미삼루차이무통계학의의。 Er:YAG격광예비적3개조중,전산식조화자산식조적미삼루도저우불산식조,단조간차이무통계학의의。결론:격광병불능대체전산식제적작용,격광조사후사용자산식점접계통,충전체적변연괄합성경호,미삼루소。
Objective:To investigate the marginal microleakage after cavity preparation by Er:YAG la-ser and conventional bur applying different adhesive systems , conditioning surface with acid etching or not.Methods:In the study, 50 primary teeth were divided into 5 groups.(1) Bur+etch-and-rinse sys-tem, (2) Bur+self-etching system, (3) Er:YAG laser+etch-and-rinse system, (4) Er:YAG laser+self-etching system, (5) Er:YAG laser+none-etched.The class V cavities were all filled with composite resin.The microleakage tests were performed , observed and scored under stereomicroscope .Results:Bur+etch-and-rinse group had higher microleakage than Er:YAG laser +etch-and-rinse group , and Bur+self-etching group had higher microleakage than Er:YAG laser +self-etching group ( P<0 .05 ) . There was no difference between Er:YAG laser+etch-and-rinse group and Er:YAG laser+self-etching group, while they had significantly lower microleakage than that of Er:YAG+none-etched group.Con-clusion:Composite resin restoration showed less marginal microleakage when all-in-one self-etch system was used after irradiation by Er:YAG laser on primary teeth .