Analysis of Fluoride-Free Content on Twitter: Topic Modeling Study

Matheus Lotto   ^{1, 2} , DDS, MSc ;   Irfhana Zakir Hussain   ^{2, 3} , BTech ;   Jasleen Kaur   ² , BTech, MTech, PhD ;   Zahid Ahmad Butt   ² , MBBS, MSc, PhD ;   Thiago Cruvinel   ¹ , DDS, MSc, PhD ;   Plinio P Morita   ^{2, 4, 5, 6, 7} , BEng, MSc, PhD

¹ Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil

² School of Public Health Sciences, University of Waterloo, Waterloo, ON, Canada

³ Department of Data Science and Business Systems, School of Computing, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, India

⁴ Research Institute for Aging, University of Waterloo, Waterloo, ON, Canada

⁵ Department of Systems Design Engineering, University of Waterloo, Waterloo, ON, Canada

⁶ eHealth Innovation, Techna Institute, University Health Network, Toronto, ON, Canada

⁷ Institute of Health Policy, Management, and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada