Cyclic fatigue resistance of several deep cryogenically treated nickel-titanium endodontic rotary and reciprocating files in artificial canals.

Key Points

• Reciproc endodontic instruments showed enhanced cyclic fatigue resistance compared to ProTaper instruments, indicating superiority.
• Significantly better resistance metrics were observed with deep cryogenic treatment enhancing reliability in artificial canals.
• Observational analysis of cyclic fatigue resistance across different endodontic instruments was performed.
• This implies potential advantages in clinical settings for using treated reciprocating instruments over rotary types.