title: Influence of female hormonal fluctuation on maximum occlusal force.
abstract: Hormonal fluctuations during the menstrual cycle may influence on muscular tensions and probably alter occlusal force. The aim of this study was to evaluate whether hormonal levels affect maximum occlusal force (MOF) of healthy women throughout the different phases of the menstrual cycle. Sixty complete dentate subjects who were not under use of oral contraceptives were selected to participate in this study. MOF was bilaterally evaluated on the molar region, during 3 complete menstrual cycles, using 5.65 mm-wide sensors. Measurements were carried out during each of the following menstrual cycle phases: menstrual, follicular, periovulatory and luteal, presumed by ovulation test. Data were analyzed by one-way ANOVA and Tukey-Kramer test (p<0.05). Comparisons among menstrual cycle phases showed no differences on MOF (p = 0.27). Under the conditions of this study, it may be concluded that hormonal fluctuations during the menstrual cycle do not affect MOF of a sample of healthy women.
authors.affiliation: Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil.
authors.forename: Thaís Marques Simek Vega
authors.initials: TM
authors.lastname: Gonçalves
authors.forename: Lucíola Maria Rodrigues
authors.initials: LM
authors.lastname: de Vasconcelos
authors.forename: Wander José
authors.initials: WJ
authors.lastname: da Silva
authors.forename: Altair Antoninha
authors.initials: AA
authors.lastname: Del Bel Cury
authors.forename: Renata Cunha Matheus Rodrigues
authors.initials: RC
authors.lastname: Garcia
mesh_terms: D001732:Bite Force; D004576:Electromyography / Q000295:instrumentation; D005260:Female; D046910:Fertile Period / Q000502:physiology; D005498:Follicular Phase / Q000502:physiology; D006801:Humans; D008183:Luteal Phase / Q000502:physiology; D008410:Masticatory Muscles / Q000502:physiology; D008597:Menstrual Cycle / Q000502:physiology*; D008598:Menstruation / Q000502:physiology; D009119:Muscle Contraction / Q000502:physiology; D014159:Transducers; D055815:Young Adult