Klaus B. S. L. Batista, MSc, PhD, is a practicing orthodontist in Rio de Janeiro, a senior lecturer in the department of Preventive and Public Dentistry at Rio de Janeiro State University, and a visiting lecturer at the University of Manchester in the UK. Batista carries out research on orthodontics in the fields of Class II malocclusion, TMJ (temporomandibular joint) disorders, and quality of life. He has published systematic reviews, including a Cochrane Library review, on the links between orthodontic treatments, oral health, and quality of life.

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