《根管再治疗》PPT课件.ppt

RetreatmentAge/Gender30/F Chief Complaint Chewing discomfort from right lower posteriorregion for several months. Medical historyThe patient complained of discomfort of rightlower posterior tooth for about three months. She accepted root canal therapy three yearsago.Company LogoClinical examinationlDefective fillings were found on the occlusal surface of 46.lNo response to thermal and probing test and moderate tender to percussion. lRadiographic finding revealed periradicular radiolucent area associating with 46 and radiopaque material in the distal-root canal Company LogoDiagnosis 46--- Chronic periapical periodontitisCompany Logo 46-Examination and diagnosisRemove the old fillings (crown and root canal) Root canal preparation using ProTaperObturation using vertical condensation Restored with resin.Treatment planCompany Logo Details of RCTCompany LogoPost treatment Company LogoTHANKS。