About the Authors

Shi-qiang Gong

Contributed equally to this work with: Shi-qiang Gong, Jeevani Epasinghe

Affiliation Department of Stomatology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China

Jeevani Epasinghe

Contributed equally to this work with: Shi-qiang Gong, Jeevani Epasinghe

Affiliation Pediatric Dentistry and Orthodontics, The University of Hong Kong, Hong Kong SAR, China

Frederick A. Rueggeberg

Affiliation College of Dental Medicine, Georgia Health Sciences University, Augusta, Georgia, United States of America

Li-na Niu

Affiliation School of Stomatology, Fourth Military Medical University, Xi’an, China

Donald Mettenberg

Affiliation College of Dental Medicine, Georgia Health Sciences University, Augusta, Georgia, United States of America

Cynthia K. Y. Yiu

Affiliation Pediatric Dentistry and Orthodontics, The University of Hong Kong, Hong Kong SAR, China

John D. Blizzard

Affiliation Quadsil Inc., Midland, Michigan, United States of America

Christine D. Wu

Affiliation College of Dentistry, University of Illinois at Chicago, Illinois, United States of America

Jing Mao

ftay@georgiahealth.edu (FT); maojing1999@yahoo.com (JM)

Affiliation Department of Stomatology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China

Connie L. Drisko

Affiliation College of Dental Medicine, Georgia Health Sciences University, Augusta, Georgia, United States of America

David H. Pashley

Affiliation College of Dental Medicine, Georgia Health Sciences University, Augusta, Georgia, United States of America

Franklin R. Tay

ftay@georgiahealth.edu (FT); maojing1999@yahoo.com (JM)

Affiliation College of Dental Medicine, Georgia Health Sciences University, Augusta, Georgia, United States of America

Competing Interests

The authors have the following competing interests: David Lang of Lang Dental Manufacturing Co. Inc., supplied the Ortho-Jet acrylic for this study. John D. Blizzard is employed by Quadsil Inc. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: FRT FAR. Performed the experiments: SQG JE. Analyzed the data: SQG JE FAR LNN CDW JM DHP FRT. Contributed reagents/materials/analysis tools: LNN DM CKYY JDB CLD. Wrote the paper: SQG JE FRT.