About the Authors

Nurit Beyth

Contributed equally to this work with: Nurit Beyth, Dana Kesler Shvero

nuritb@ekmd.huji.ac.il

Affiliation Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, Jerusalem, Israel

Dana Kesler Shvero

Contributed equally to this work with: Nurit Beyth, Dana Kesler Shvero

Affiliation Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, Jerusalem, Israel

Nathan Zaltsman

Affiliation Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, Jerusalem, Israel

Yael Houri-Haddad

Affiliation Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, Jerusalem, Israel

Itzhak Abramovitz

Affiliation Department of Endodontics, Faculty of Dentistry, The Hebrew University-Hadassah Jerusalem, Israel

Michael Perez Davidi

Affiliation Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, Jerusalem, Israel

Ervin I. Weiss

Affiliation Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, Jerusalem, Israel

Competing Interests

A patent entitled "Antimicrobial Nanoparticulate Additives Forming Non-Leachable Sustained Antimicrobial Polymeric Compositions", PCT (WO2006/070376), is pending approval. The commercial endodontic sealers were donated by B.J.M. Laboratories Ltd. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data materials.

Author Contributions

Conceived and designed the experiments: NB EIW. Performed the experiments: DKS NZ. Analyzed the data: NB EIW DKS. Wrote the paper: DKS NB. Reviewed the manuscript: EIW IA MPD YHH. Approved the final version: NB EIW.