Browsing by Author "Franza, Alfonso Antonio Maria"
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- Ex-vivo coronal dye leakage analysis of polytetrafluoroethylene tape thickness as endodontic acess cavity spacerPublication . Franza, Alfonso Antonio Maria; Reis, TiagoTemporary restorations, used when the procedure requires multiple visits, aim to avoid contamination of the root canal space while maintaining function and aesthetics. In addition to the temporary restoration, it is recommended to place a spacer that will prevent the entry of unwanted materials and the blockage of the root canal space. Other reasons to advocate the use of a spacer are its ease of removal, which reduces the time it takes to access the root canal system, and the reduced risk of tooth damage during the removal of the temporary material. To overcome some of the problems of cotton as an endodontic spacer, doctors began to use other materials, such as polytetrafluoroethylene tape. This is an endodontic spacer that fully fulfills the ideal characteristics such as non-fibrous, inorganic, and ribbon-like material. Because it is not fibrous, it reduces the chances of impregnation in the temporary restoration and by not being spongy it better supports the excessive propagation of the temporary restoration. The objective of this study is to evaluate infiltration in monoradicular teeth using different thicknesses of polytetrafluoroethylene tape. The teeth used in this study were collected from clinics located in Italy and were selected according to inclusion criteria: (1) monoradicular teeth, (2) teeth without signs of fracture and caries, and (3) teeth with absence of dental anomalies. The entire procedure was carried out by a single operator to reduce intra-operator error. A total of twenty teeth were separated into two distinct groups according to the coronal cut performed. The results of the study showed that the thickness of the polytetrafluoroethylene tape influences the leakage in the teeth. So, 2 mm polytetrafluoroethylene tape is a good thickness to maintain the root canal patency and to provide a sterile environment by preventing microbial growth under the provisional restoration as an endodontic spacer material in between the appointments.