Cyclic fatigue strength of rotary versus hand instruments in endodontics [Resistencia a la fatiga cíclica de instrumentos rotatorios frente a instrumentos manuales en endodoncia]
DOI:
https://doi.org/10.62574/824qnv32Keywords:
dental materials, smart materials, alloysAbstract
Objective: To analyse the cyclic fatigue strength of rotary versus hand instruments in endodontics. Method: Systematic review of 15 articles. Results and Conclusion: Analysis of the cyclic fatigue resistance of rotary versus hand instruments in endodontics shows that rotary instruments, especially those made of heat-treated nickel-titanium, far outperform hand instruments in terms of durability, flexibility and ability to withstand repetitive deformation under adverse clinical conditions. Advances in design, heat treatment and manufacturing techniques have optimised the performance of rotary instruments, enabling more efficient and safer root canal preparation, even in complex anatomies.
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