Case of reffered patient due to asymtomatic chronic sinus tract above upper incisor. Trauma in childhood is probable, he does not neglect it. Apical finishing ISO was 70 K file hand file and GP cone was cutted accordingly. If there is any possibility i always try to avoid using on MTA cement. In video you can see temporary restoration removal, teflon removal, access cavity, caries excavation, working lenght determiation, prepration of canal, irrigation, warm vertical condensation, mylar strips and A3 composite buildup as well as preop xray, conefit xray, downpack xray and postop xray whre you can see apical delta squirt, which is not proof of successfull endo rather than irrigation.