A Prospective Clinical Trial of Arch Width Changes Evaluated through Dental Casts in Consecutively Treated Non-extraction and Extraction Cases

Marcio Rodrigues De Almeida^1*, Renata Rodrigues De Almeida-Pedrin², Renato Rodrigues De Almeida³ and Carlos Flores-Mir⁴

¹Post-doctoral fellow, Department of Orthodontics, Bauru Dental School, University of São Paulo and Full Professor at University of North of Paraná-UNOPAR, Londrina, Brazil

²Professor at Universidade do Sagrado Coração -USC, Bauru-SP, Brazil

³Associate Professor, Department of Orthodontics, Bauru Dental School, University of São Paulo and Full Professor at University of North Paraná-UNOPAR, Londrina, Brazil

⁴Associate Professor, Orthodontic Graduate Program, Faculty of Medicine and Dentistry, Edmonton, Alberta, Canada and Director, Craniofacial and Oral Health Evidence-based Practice Group, University of Alberta, Brazil