根管光活化消毒的疗效分析

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1、英文摘要therootcanalfillingwasfinished．PeriapicalfilmwasphotoedbyX—raywiththesameproficientdoctor．ThechangeofalveolarbonedensityinteethapicallesionsareawasinvestigatedbyDigoradigitalimagingsystem．Statisticalanalysiswasperformedtocomparethedifferenceofrootcanalbacteriaquantity,occurringrat

2、eandpaindegreeofendodonticinter-appointmentpainandalveolarbonedensityofteethapicallesionsareaintwogroups．Results：Thephoto—activateddisinfection(PAD)technologymadethequantityofbacteriainrootcanaldecreased99．41％withstatisticalsignificance(尸

3、tcanaldisinfection．IngroupA，thequantityofrootcanalbacteriadecreased99．71％afterthe1stPADtreatmentandrootcanalpreparation，andthequantityofrootcanalbacteriadecreased99．23％afterrootcanalpreparationingroupB．Therewasnosignificantdifferencewiththequantityofbacteriaintherootcanalbetweentheset

4、wogroupspO．05)．ThenegativerateofrootcanalbacterialculturewhichweretreatedwithconventionalrootcanaltherapyandtwicePADrootcanaldisinfectiongroupAwas6．7％，whilethenegativerateofgroupBaftertheconventionalrootcanaltherapywas50％．Therewassignificantstatisticaldifferencesbetweentwogroups(尸<0．0

5、5)．Therewasnoincidenceofendodonticinter-appointmentpain(EIAPpainevaluatedasgradeIIorⅡI)ingroupA，whileTheincidencerateofendodonticinter-appointmentpainingroupBwas28．6％．Obviously,theincidencerateofendodonticinter-appointmentpainingroupBwasmuchhigherthangroupA(氏0．05)．Furthermore，theendod

6、onticinter-appointmentpainingroupBwasseriousthanthatingroupA畔O．01)．After3monthsoftreatment，theteethapicallesionsareawassmallerandthealveolarbonedensitywasincreasedwithvaryingdegrees．However，thereisnostatisticallydifferencebetweenthetwogroups(胗O．05)．Inconclusion，thePADtechnologyinrootc

7、analtherapyshowedgoodclinicaleffect．Conclusions：Thephoto-activateddisinfection(PAD)technologycouldeffectivelykillbacteriainrootcanalforchronicapicalperiodontitispatients，andalleviateendodonticinter-appointmentpain．Itrevealsbetterclinical4英文摘要therapeuticeffects，andprovidesagoodbasisfor

8、thero