Evaluation of silent period on masticatory cycles of different muscles in dentate oral contraceptives users and nonusers

ABSTRACT Objective: The aim of this study was to evaluate the influence of oral contraceptive use on the silent period (SP) of anterior temporal and masseter muscles during the menstrual cycle. Materials and Methods: Totally, 28 women on reproductive age were selected including 15 nonusers of any ho...

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Bibliographic Details
Published in:European journal of dentistry 2015-04, Vol.9 (2), p.171-175
Main Authors: Turcio, Karina Helga Leal, Garcia, Alício Rosalino, Zuim, Paulo Renato Junqueira, Moreno, Amália, Goiato, Marcelo Coelho, Guiotti, Aimée Maria, dos Santos, Daniela Micheline
Format: Article
Language:English
Subjects:
Analysis
Complications and side effects
Dosage and administration
Electromyography
Facial muscles
Oral contraceptives
Original
Original Article
Physiological aspects
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Summary:ABSTRACT Objective: The aim of this study was to evaluate the influence of oral contraceptive use on the silent period (SP) of anterior temporal and masseter muscles during the menstrual cycle. Materials and Methods: Totally, 28 women on reproductive age were selected including 15 nonusers of any hormone and 13 contraceptive users. All patients were dentate without muscular temporomandibular disorders. Electromyography (SP test) of the anterior temporal and masseter muscles was conducted every week during three consecutive menstrual cycles at 1 st day of menstruation (P 1 ), 7 th day (P 2 ), 14 th day (P 3 ) and 21 st day (P 4 ). Results: The SP values in the anterior temporal and masseter muscles were measured at both sides. The SP values of the right side (13.49 ms) at P 2 were significantly different compared to the left side (12.28 ms). However, there was no significant difference on the interactions among the three factors. Conclusion: It can be concluded that the SP values in healthy women in reproductive age may not be influenced by the menstrual cycle with similar results for both muscles.
ISSN:1305-7456
1305-7464
DOI:10.4103/1305-7456.156793