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Association of obesity and physical activity with the prevalence and severity of temporomandibular disorders in adolescents

Grant number: 16/03225-1
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): August 01, 2016
Effective date (End): February 28, 2018
Field of knowledge:Health Sciences - Dentistry
Principal Investigator:Daniela Aparecida de Godoi Gonçalves
Grantee:Paula Cristina Jordani Ongaro
Home Institution: Faculdade de Odontologia (FOAr). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil


Obesity is a chronic and prevalent disorder, affecting progressively children and adolescents. In addition is a risk factor for cardiovascular diseases and evidences suggests that obesity is associated with some types of chronic pain, especially musculoskeletal pain. Our hypothesis is that obesity is also comorbid with temporomandibular disorders (TMD), a painful musculoskeletal condition of the orofacial region with high prevalence among adults and adolescents. Objective: To evaluate whether obesity and physical activity are associated with the presence and severity of painful TMD adolescents. Methods: The sample size calculation defined n = 600. Participants will be students from municipal and private public schools in Araraquara, Brazil. The sample is stratified according to the presence of TMD (according to the RDC-Axis I) and nutritional characteristics (body mass index, bioimpedance, cutaneous folds and abdominal circumference). Socio-demographic information according to the presence of painful TMD will be described. Other variables will be assessed by validated instruments including primary headaches, obstructive sleep apnea, degree of physical activity, stage of sexual maturation and depression. Multivariate logistic regression will be used to estimate the odds ratio. The chi-square or Fisher's exact test will be used to study the associations of interest, prevalence ratio (PR) and 95% confidence intervals (CI) will be applied. The significance level will be 5%.

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
JORDANI, PAULA C.; CAMPI, LETICIA B.; BRAIDO, GUILHERME V. V.; FERNANDES, GIOVANA; VISSCHER, CORINE M.; GONCALVES, DANIELA A. G. Obesity, sedentarism and TMD-pain in adolescents. Journal of Oral Rehabilitation, v. 46, n. 5, p. 460-467, MAY 2019. Web of Science Citations: 1.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
ONGARO, Paula Cristina Jordani. Associação de obesidade e sedentarismo com a presença das disfunções temporomandibulares dolorosas em adolescentes. 2018. 75 f. Doctoral Thesis - Universidade Estadual Paulista "Júlio de Mesquita Filho" Faculdade de Odontologia (Campus de Araraquara)..

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