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- Title
Female hormones fluctuation and chewing movement of patients with disc displacement.
- Authors
Alves de Oliveira, Jonas; Marques Simek Vega Gonalves, Tha¡s; Soares Reis Vilanova, Larissa; Maria Bovi Ambrosano, Glaucia; Rodrigues Garcia, Renata Cunha M.
- Abstract
Purpose: This study aimed to verify the influence of hormonal fluctuations on chewing movement in women with disc displacement (DD).Methods: Fourteen women with DD taking oral contraceptives (OC); 12 DD-free control staking OC; 12 normally cycling women with DD; and 14 DD-free normally cycling women were included. The Research Diagnostic Criteria for Temporomandibular Disorders diagnosed DD, and subjects without pain were selected. Chewing movements were recorded using akinesiograph. Dependent variables were: vertical, lateral, and anterior-posterior amplitudes (mm), opening and closing velocity (mm/s), which was evaluated in 4 phases of 3 menstrual cycles, identified by ovulation test. Data were submitted to Mauchly's sphericity test, Proc Mixed for repeated measures, and Tukey-Kramer test (P ≤ 0.05).Results: Comparisons among menstrual cycle phases showed no differences in vertical(P = 0.25), lateral (P = 0.12), and anterior-posterior amplitudes (P = 0.61); as well as opening (P = 0.57) or closing velocity (P = 0.73). The OC use or presence of DD did not influence the variables (P > 0.05).Conclusion: Hormonal fluctuation did not influence chewing mandibular movement of women with DD.
- Subjects
BRAZIL; ESTROGEN; HORMONES; MASTICATION; MENSTRUAL cycle; ORAL contraceptives; TEMPOROMANDIBULAR joint; TEMPOROMANDIBULAR disorders; MATHEMATICAL variables; WOMEN; SAMPLE size (Statistics); STATISTICAL significance; REPEATED measures design; DESCRIPTIVE statistics
- Publication
Revista Odonto Ciencia, 2012, Vol 27, Issue 1, p20
- ISSN
0102-9460
- Publication type
Article
- DOI
10.1590/S1980-65232012000100004