Assessment of Reinforcement Potential of Novel Root Canal Filling Systems in Preserving Tooth Strength

Abstract

The structural integrity of endodontically treated teeth largely depends on the reinforcement potential of the root canal filling materials used after instrumentation. Conventional systems, such as Gutta-Percha combined with resin-based sealers, have demonstrated limitations in enhancing fracture resistance, leading to a greater risk of tooth fragility. This study aims to assess the reinforcement potential of novel root canal filling systems in preserving tooth strength. Extracted human teeth were prepared and obturated using both traditional and newly developed bioactive and nanocomposite-based sealers. Fracture resistance testing was conducted using a universal testing machine, and results were statistically analyzed to determine comparative performance. The findings revealed that novel bioceramic and bioactive systems significantly improved the mechanical strength of treated teeth, providing better adaptation and bonding to dentinal walls. These results suggest that the use of advanced root canal filling systems can enhance the long-term durability and fracture resistance of endodontically treated teeth. The study underscores the clinical relevance of selecting materials with superior reinforcement properties to ensure better treatment outcomes.