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

Karina Helga Leal Turcio; Alício Rosalino Garcia; Paulo Renato Junqueira Zuim; Amália Moreno; Marcelo Coelho Goiato; Aimée Maria Guiotti; Daniela Micheline dos Santos

doi:10.4103/1305-7456.156793

European Journal of Dentistry, Table of Contents

CC BY-NC-ND 4.0 · Eur J Dent 2015; 09(02): 171-175
DOI: 10.4103/1305-7456.156793

Original Article

Dental Investigation Society

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

Authors

Karina Helga Leal Turcio

¹Department of Dental Materials and Prosthodontics, Faculdade de Odontologia de Araçatuba, Araçatuba Dental School, UNESP – Univ Estadual Paulista, São Paulo, Brazil
Alício Rosalino Garcia

¹Department of Dental Materials and Prosthodontics, Faculdade de Odontologia de Araçatuba, Araçatuba Dental School, UNESP – Univ Estadual Paulista, São Paulo, Brazil
Paulo Renato Junqueira Zuim

¹Department of Dental Materials and Prosthodontics, Faculdade de Odontologia de Araçatuba, Araçatuba Dental School, UNESP – Univ Estadual Paulista, São Paulo, Brazil
Amália Moreno

¹Department of Dental Materials and Prosthodontics, Faculdade de Odontologia de Araçatuba, Araçatuba Dental School, UNESP – Univ Estadual Paulista, São Paulo, Brazil
Marcelo Coelho Goiato

¹Department of Dental Materials and Prosthodontics, Faculdade de Odontologia de Araçatuba, Araçatuba Dental School, UNESP – Univ Estadual Paulista, São Paulo, Brazil
Aimée Maria Guiotti

¹Department of Dental Materials and Prosthodontics, Faculdade de Odontologia de Araçatuba, Araçatuba Dental School, UNESP – Univ Estadual Paulista, São Paulo, Brazil
Daniela Micheline dos Santos

¹Department of Dental Materials and Prosthodontics, Faculdade de Odontologia de Araçatuba, Araçatuba Dental School, UNESP – Univ Estadual Paulista, São Paulo, Brazil

Abstract

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 (P₁), 7^th day (P₂), 14^th day (P₃) and 21^st day (P₄). 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 P₂ 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.

Key words:

Computerized dentistry - menstrual cycle - electromyography - silent period - sexual hormones

Full Text

References

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