الفهرس | Only 14 pages are availabe for public view |
Abstract The aim of the present study was directed towards measuring the effectiveness of ProTaper Universal re-treatment files compared to gates glidden and H-files during endodontic retreatment in terms of: 1-Time required to remove filling material. 2-Cleanliness of the canal from gutta percha and sealer 3-Alteration of the canal anatomy. Accuracy of apex locator in re-establishment of the working length during retreatment was also evaluated within this study. |