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Quality of life evaluation, salivary cortisol and amylase levels and electromyographic activity of masticatory muscles and their associations with parafunctional and nutritive habits in children

Grant number: 06/06338-0
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): July 01, 2007
Effective date (End): March 21, 2010
Field of knowledge:Biological Sciences - Physiology
Principal Investigator:Maria Beatriz Duarte Gavião
Grantee:Paula Midori Castelo Ferrua
Host Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil

Abstract

Assessment of stress salivary markers has gotten increasing interest in biomedical and psychological researches. The free cortisol measurement and, recently, the alpha-amylase activity, have demonstrated to be important biomarkers of the endocrine activity in physical and psicossocial stress conditions. The literature suggests that stress and emotional disturbances may be involved in the etiology of stomatognatic parafunctions, like bruxism and persistent sucking habits in children. Thus, the purpose of this study will be to evaluate 150 children aged 6-8 years, in the mixed dentition, divided in two groups according to gender. The following variables will be verified: 1- presence/absence of parafunctional habits (bruxism, nail biting, finger/thumb/lip sucking, and pacifier), breast-or bottle-feeding and malocclusion; 2- quality of life evaluation scale; 3- body variables (weight, height and heart rate); 4- electromyography of masticatory muscles and bite force; 5- salivary levels of free cortisol and alpha-amylase. The results will be submitted to descriptive statistical analysis, Pearson’s correlation test and t-test, where appropriate. A stepwise logistic multiple-regression analysis will be employed to test whether the presence of parafunctions is affected by the variables studied. The significance level will set at p≤0.05. (AU)

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Scientific publications (6)
(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)
FURLAN, N. F.; GAVIAO, M. B. D.; BARBOSA, T. S.; NICOLAU, J.; CASTELO, P. M.. Salivary Cortisol, Alpha-Amylase and Heart Rate Variation in Response to Dental Treatment in Children. Journal of Clinical Pediatric Dentistry, v. 37, n. 1, p. 83-87, . (07/05760-2, 08/05103-4, 06/06338-0)
MARIA CAROLINA SALOMÉ MARQUEZIN; ANNICELE DA SILVA ANDRADE; MOARA DE ROSSI; GUSTAVO HAUBER GAMEIRO; MARIA BEATRIZ DUARTE GAVIÃO; PAULA MIDORI CASTELO. Avaliação do dimorfismo sexual e da relação entre as características craniofaciais, dos arcos dentários e do músculo masseter na fase de dentição mista. Revista CEFAC, v. 16, n. 4, p. 1231-1238, . (07/06751-7, 06/06338-0)
KOBAYASHI, F. Y.; FURLAN, N. F.; BARBOSA, T. S.; CASTELO, P. M.; GAVIAO, M. B. D.. Evaluation of masticatory performance and bite force in children with sleep bruxism. Journal of Oral Rehabilitation, v. 39, n. 10, p. 776-784, . (07/05760-2, 06/06338-0)
CASTELO, PAULA MIDORI; BARBOSA, TAIS DE SOUZA; PEREIRA, LUCIANO JOSE; AFFONSO FONSECA, FERNANDO LUIZ; DUARTE GAVIAO, MARIA BEATRIZ. Awakening salivary cortisol levels of children with sleep bruxism. CLINICAL BIOCHEMISTRY, v. 45, n. 9, p. 651-654, . (07/05760-2, 06/06338-0)
CASTELO, PAULA M.; BARBOSA, TAIS S.; GAVIAO, MARIA BEATRIZ D.. Quality of life evaluation of children with sleep bruxism. BMC ORAL HEALTH, v. 10, . (07/05760-2, 06/06338-0)
CASTELO, PAULA MIDORI; DUARTE GAVIAO, MARIA BEATRIZ; PEREIRA, LUCIANO JOSE; BONJARDIM, LEONARDO RIGOLDI. Maximal bite force, facial morphology and sucking habits in young children with functional posterior crossbite. Journal of Applied Oral Science, v. 18, n. 2, p. 143-148, . (06/06338-0)

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