Resumo
Definição
História e exame físico
Principais fatores diagnósticos
- presença de fatores de risco
- atividades de bruxismo: ranger/cerrar dos dentes, forçar/empurrar a mandíbula
- parafunções orais
- desgaste dos dentes
- dor nos músculos da mastigação e/ou na articulação temporomandibular (ATM)
- sensibilidade nos músculos da mastigação
- hipertrofia dos músculos da mastigação
Outros fatores diagnósticos
- cefaleia
- dor e/ou hipersensibilidade nos dentes
- história de disfunção temporomandibular (DTM)
- restaurações dentárias e/ou falha do implante
- problemas periodontais
- desbastamento dentário, fissuras e fraturas
- alterações na mucosa oral
Fatores de risco
- tabagismo, cafeína, consumo de álcool
- sensibilidade ao estresse e traços ansiosos de personalidade
- ronco, apneia obstrutiva do sono e outros distúrbios do sono
- medicamentos e uso de substâncias ilícitas
- predisposição genética
- distúrbios motores primários
Investigações diagnósticas
Primeiras investigações a serem solicitadas
- diagnóstico clínico
- estudo polissonográfico (PSG)
Investigações a serem consideradas
- eletromiografia (EMG)
- avaliação ecológica momentânea (EMA)
Algoritmo de tratamento
bruxismo durante a vigília
bruxismo durante o sono (BS)
Colaboradores
Autores
Frank Lobbezoo, DDS, PhD
Professor, Chair, and Vice Dean
Department of Oral Health Sciences
Academic Centre for Dentistry Amsterdam (ACTA)
MOVE Research Institute Amsterdam
University of Amsterdam
VU University Amsterdam
Amsterdam
The Netherlands
Declarações
FL is an author of several references cited in this topic.
Daniele Manfredini, DDDS, PhD
Full Professor Oral Physiology and Gnathology
School of Dentistry
University of Siena
Siena
Italy
Declarações
DM is an author of several references cited in this topic.
Alessandro Bracci, DDS
Associate Professor
School of Dentistry
Department of Neuroscience
University of Padua
Padua
Italy
Declarações
AB is a shareholder for WMA Srl, whose products include BruxApp. AB is an author of several references cited in this topic.
Acknowledgements
Professor Daniele Manfredini, Professor Frank Lobbezoo, and Alessandro Bracci would like to gratefully acknowledge Professor Peter Svensson, a previous contributor to this topic.
Disclosures
PS is chairman of the clinical advisory board and has received fees for consulting for Medotech, the manufacturer of GrindCare. PS is also an author of several references cited in this topic.
Peer reviewers
Alan Glaros, PhD
Associate Dean and Professor
Kansas City University of Medicine and Biosciences
Kansas City
MO
Disclosures
AG is a member of the clinical advisory board of Medotech and has received GrindCare devices for evaluation. AG is an author of a reference cited in this topic.
Peer reviewer acknowledgements
BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.
Disclosures
Peer reviewer affiliations and disclosures pertain to the time of the review.
References
Key articles
Lobbezoo F, Ahlberg J, Raphael KG, et al. International consensus on the assessment of bruxism: report of a work in progress. J Oral Rehabil. 2018 Nov;45(11):837-44.Full text Abstract
Raphael KG, Santiago V, Lobbezoo F. Is bruxism a disorder or a behaviour? Rethinking the international consensus on defining and grading of bruxism. J Oral Rehabil. 2016;43:791-8. Abstract
Manfredini D, Ahlberg J, Winocur E, et al. Management of sleep bruxism in adults: a qualitative systematic literature review. J Oral Rehabil. 2015;42:862-74. Abstract
Lobbezoo F, van der Zaag J, van Selms MK, et al. Principles for the management of bruxism. J Oral Rehabil. 2008 Jul;35(7):509-23. Abstract
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.

Differentials
- Distonia oromandibular
- Doença de Huntington
- Síndrome de Tourette
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