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CRANIO®
The Journal of Craniomandibular & Sleep Practice
Volume 26, 2008 - Issue 1
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Original articles

Association Between Sleep Bruxism and Temporomandibular Disorders: A Polysomnographic Pilot Study

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Pages 16-24 | Received 03 Oct 2006, Accepted 01 Aug 2007, Published online: 31 Jan 2014
 

Abstract

The aim of this study was to verify the association between sleep bruxism (SB) and temporomandibular disorders (TMD) in a sample of 14 TMD patients and 12 healthy control subjects. All participants were evaluated using a clinical questionnaire, visual analog scale (VAS) for TMJ/muscle palpation, and by functional examination. The experimental group was divided into three TMD subgroups: joint sounds and pain, muscular tenderness, and mixed diagnosis. All participants underwent polysomnographic recording (PSG). A second clinical examination was then carried out to verify the relationship between rhythmic masticatory muscle activity and pain/tenderness on the following morning. The experimental and control groups presented VAS mean scores of 36.85±23.73 mm and 0 mm, respectively. The presence of SB was neither associated with TMD (p>0.05) nor with pain on palpation (p>0.05). Further research with a more representative sample of each TMD subgroup is necessary to elucidate its interaction with SB.

Additional information

Notes on contributors

Leylha Maria Nunes Rossetti

Dr. Leylha M.N. Rossetti received her D.D.S. degree in 1995 from the Ceara Federal University in Brazil. In 2000, she specialized in dental prosthodontics at the Brazilian Association of Dentistry. She completed graduate studies at the Bauru Dental School, University of São Paulo, Brazil, receiving an M.S. degree in 2003 and a Ph.D. degree in 2006, both in oral rehabilitation.

Paulo Henrique Orlato Rossetti

Dr. Paulo Henrique Orlato Rossetti received his D.D.S. degree in 1997 from the Bauru Dental School, University of São Paulo, Brazil. He is coauthor of the first Brazilian book on overdentures and osseointegrated implants, published in 2002. He completed graduate studies at the Bauru Dental School, University of São Paulo, Brazil, receiving an M.S. degree in 2003 and a Ph.D. degree in 2007, both in oral rehabilitation.

Paulo César Rodrigues Conti

Dr. Paulo César Rodrigues Conti received his D.D.S. degree in 1986 from the Bauru Dental School, University of São Paulo, Brazil. He received a Ph.D. degree in oral rehabilitation in 1989. In 1995, he concluded a post doctorate course at the University of Medicine and Dentistry, New Jersey, UMDNJ. Dr. Conti became board certified in orofacial pain in 1999. He is an instructor of advanced courses in dental prosthodontics, temporomandibular disorders, and dental implants at the Bauru Dental School, São Paulo, Brazil.

Carlos dos Reis Pereira de Araujo

Dr. Carlos dos Reis Pereira de Araujo received his D.D.S. degree in 1979 from the Bauru Dental School, University of São Paulo, Brazil. In 1991, he specialized in temporomandibular disorders at the University of Rochester, New York. In 1993, he specialized in prosthodontics at the University of São Paulo, Brazil and completed graduate studies at the same university, receiving an M.S. degree in 1983 and a Ph.D. in 1989, both in oral rehabilitation. He has lectured on occlusion, facial pain, and implants in Brazil. He is an instructor of advanced courses in dental prosthodontics, temporomandibular disorders, and dental implants at the Bauru Dental School, University of São Paulo, Brazil.

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