| Affiliation: | 1. Division of Postgraduate Prosthodontics, Tufts University School of Dental Medicine, Boston, Massachusetts;2. Department of Prosthodontics, University of Rochester Eastman Institute for Oral Health, Rochester, New YorkContributed equally.;3. Department of Public Health and Community Service, Tufts University School of Dental Medicine, Boston, Massachusetts;4. Department of Prosthodontics, University of Rochester Eastman Institute for Oral Health, Rochester, New York;5. Division of Postgraduate Prosthodontics, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil |
