| Affiliation: | 1. Associate professor, Department of Clinical Dentistry, School of Dentistry, Federal University of Bahia, Salvador, Brazil;2. Assistant professor, School of Dentistry, School of Medicine and Public Health of Bahia, Salvador, Brazil;3. Teaching Assistant, Department of Clinical Dentistry, School of Dentistry, Federal University of Bahia, Salvador, Brazil;4. Undergraduate student, Department of Clinical Dentistry, School of Dentistry, Federal University of Bahia, Salvador, Brazil;5. Associate professor, School of Medicine and Public Health of Bahia, Salvador, Brazil;6. Director of the Masters in Periodontics and Associate professor, School of Dentistry, University of Manitoba, Winnipeg, MB, Canada |
