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Abstract
The complete evaluation of the stomatognathic system is essential for orthodontic diagnosis and treatment planning. The evaluation should not only include the occlusal static aspects, but also the functional aspects. This is because the latter could be altered and one or more components of the stomatognathic system could be involved, including the temporomandibular joint (TMJ). The most usual alteration found is articular disk displacement, which can affect the prognosis, and eventually the result in the need for orthodontic treatment. In order to add to the literature on recognition of these alterations, the purpose of this study was to compare the findings of two calibrated examiners on disk displacement clinical diagnosis, and the possible matching between the clinical examination and the electrovibratography (EVG) as methods of disk displacement detection. The sample was composed of 60 patients, divided equally into four groups of 15 participants each, depending on the presence or absence of disk displacement determined by a clinical examination performed by two trained examiners and according to gender. One of the trained operators used EVG and SonoPAK (BioResearch, Inc., Brown Deer, WI) software. The results of the two examiners’ findings, one using clinical examination and the other using EVG and SonoPak software. The results were analyzed by applying the kappa coefficient. The findings of the two examiners were very close, resulting in an excellent agreement, and the comparison between the clinical examination and EVG findings resulted in satisfactory agreement between the methods.
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Notes on contributors
André Felipe Abrão
Dr. André Felipe Abrão received his D.D.S. degree from the Dental School of University City of São Paulo (UNICID) in 2001 and specialized in orthodontics in 2006. He also received a M.S. degree from the Dental School of the University of São Paulo (FOUSP) in 2009. Dr. Abrão is a professor at the Center for Studies, Training and Improvement in Dentistry (CETAO).
Guiovaldo Paiva
Dr. Guiovaldo Paiva received his D.D.S. degree from the Faculdade de Odontologia da Universidade de São Paulo, Brazil in 1969. He is founder of the Center for Diagnosis and Treatment of TMJ at São Paulo and is also co-founder of the Sociedade Brasileira de ATM e Dor Orofacial (SOBRAD). Dr. Paiva has written and published several articles in the field of TMD research.
Soo Young Kim Weffort
Dr. Soo Young Kim Weffort is a specialist in orthodontics and received her D.D.S. degree in 1993 from the Faculdade de Odontologia de Bauru da Universidade de São Paulo, Bauru, Brazil and her M.S. degree in 2007 from the Faculdade e Odontologia da Universidade de São Paulo (FOUSP), São Paulo, Brazil. She is currently working toward her Ph.D. degree at the Faculdade de Odontologia da Universidade de São Paulo, Brazil.
Solange Mongelli de Fantini
Dr. Solange Mongelli de Fantini received her D.D.S. degree from the Faculdade de Odontologia de Bauru da Universidade de São Paulo, Bauru, Brazil, in 1979, and she received her M.S. degree in 1990 and her Ph.D. degree in 1999 from the Faculdade e Odontologia da Universidade de São Paulo (FOUSP), São Paulo, Brazil. Dr. Fantini is a professor at the Faculdade de Odontologia de Universidade de São Paulo, Brazil and president of the Roth-Williams Center of Brazil. She has written and published several articles in the field of TMD research.