Funding for this research was provided by:
College of Dentistry, University of Florida (#00127658)
Received: 8 September 2018
Accepted: 19 February 2019
First Online: 9 April 2019
Ethics approval and consent to participate
: This review was executed by PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses), and no approval by an ethics committee was required.
: Not applicable.
: Swati Gupta, Massimo Del Fabbro, and Jia Chang declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.