In the paper titled “Survival Analysis of Factors Influencing Cyclic Fatigue of Nickel-Titanium Endodontic Instruments” [1], there was missing the second affiliation of (Martina Chvosteková) and is corrected above and there was an error in “Acknowledgments,” which should be corrected as follows.

Acknowledgment

The authors thankfully acknowledge the support given by the Operational Program Education for Competitiveness, European Social Fund (Projects CZ.1.07/2.3.00/20.0170 and CZ.1.07/2.3.00/30.0041 of the Ministry of Education, Youth and Sports of the Czech Republic) and the Scientific Grant Agency VEGA of the Ministry of Education of the Slovak Republic and the Slovak Academy of Sciences (Projects VEGA 2/0047/15 and VEGA 2/0011/16).