Fernando Vagner Raldi1, Rodrigo Dias Nascimento1, Fábio Ricardo Loureiro Sato2,3, Lucio Murillo Santos4, José Benedito Oliveira Amorim4, Michelle Bianchi de Moraes1. 1. Department of Surgery and Oral Diagnoses, College of Dentistry, State University of São Paulo - UNESP, São José dos Campos, Brazil. 2. Department of Surgery and Oral Diagnoses, College of Dentistry, State University of São Paulo - UNESP, São José dos Campos, Brazil. fabio.sato@ict.unesp.br. 3. Department of Oral and Maxillofacial Surgery, College of Dentistry, State University of São Paulo - UNESP, Av. Eng. Francisco José Longo, 777, São José dos Campos, SP, 12245-000, Brazil. fabio.sato@ict.unesp.br. 4. Department of Bioscience and Oral Diagnoses, College of Dentistry, State University of São Paulo - UNESP, São José dos Campos, Brazil.
Abstract
PURPOSE: The aim of this study was to evaluate the influence of cyclobenzaprine and dexamethasone on the electrical activity of the masticatory muscles in patients who had undergone lower third molar surgery. METHODS:Thirty bilateral impacted lower third molars with indication of extraction were randomised into three groups: the control group, the dexamethasone, and the cyclobenzaprine group. To obtain muscular electrical activity and mouth opening, an electromyographic device was used at mandibular rest and maximum voluntary contraction and compared pre- and post-operatively. RESULTS: During muscle contraction, no significant difference was observed in the electromyographic records on the non-operated side. On the operated side, there was a reduction in electrical activity for both drugs pre-operatively and immediately post-operatively compared to the control group. All pharmacological agents promoted a higher mouth opening compared to control group. CONCLUSION: The results suggest that dexamethasone and cyclobenzaprine may be useful as an adjuvant in the prevention of motor dysfunctions in third molar surgery.
RCT Entities:
PURPOSE: The aim of this study was to evaluate the influence of cyclobenzaprine and dexamethasone on the electrical activity of the masticatory muscles in patients who had undergone lower third molar surgery. METHODS: Thirty bilateral impacted lower third molars with indication of extraction were randomised into three groups: the control group, the dexamethasone, and the cyclobenzaprine group. To obtain muscular electrical activity and mouth opening, an electromyographic device was used at mandibular rest and maximum voluntary contraction and compared pre- and post-operatively. RESULTS: During muscle contraction, no significant difference was observed in the electromyographic records on the non-operated side. On the operated side, there was a reduction in electrical activity for both drugs pre-operatively and immediately post-operatively compared to the control group. All pharmacological agents promoted a higher mouth opening compared to control group. CONCLUSION: The results suggest that dexamethasone and cyclobenzaprine may be useful as an adjuvant in the prevention of motor dysfunctions in third molar surgery.
Entities:
Keywords:
Corticosteroid; Electromyography; Muscle relaxants; Third molars
Authors: Maise M Amorim; Cynthia B Borini; Sérgio L P de Castro Lopes; Francisco Haiter-Neto; Fausto Bérzin; Paulo H F Caria Journal: J Oral Sci Date: 2008-09 Impact factor: 1.556
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