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Bruxismo

Last reviewed: 20 Aug 2025
Last updated: 25 Feb 2025

Summary

Definition

History and exam

Key diagnostic factors

  • 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
Full details

Other diagnostic factors

  • 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
Full details

Risk factors

  • 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
Full details

Diagnostic investigations

1st investigations to order

  • diagnóstico clínico
  • estudo polissonográfico (PSG)
Full details

Investigations to consider

  • eletromiografia (EMG)
  • avaliação ecológica momentânea (EMA)
Full details

Treatment algorithm

ACUTE

bruxismo durante a vigília

bruxismo durante o sono (BS)

Contributors

Authors

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

Disclosures

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

Disclosures

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

Disclosures

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

Divulgaciones

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.

Referencias

Nuestros equipos internos de evidencia y editoriales colaboran con colaboradores expertos internacionales y revisores pares para garantizar que brindemos acceso a la información más clínicamente relevante posible.

Artículos principales

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.Texto completo  Resumen

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. Resumen

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. Resumen

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. Resumen

Artículos de referencia

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