Page 17 - Portuguese Journal - SPORL - Vol 61. Nº1

Pediatric bruxism – Implication of tonsil

and adenoid hypertrophy in its etiology

and resolution

Original Article

Authors Abstract

Objective: To identify the incidence of bruxism
Filipa Morgado in children with obstructive sleep-disordered
Hospital Beatriz Ângelo, Portugal breathing (OSRD) and to evaluate the impact of
adenotonsillectomy on the resolution of bruxism.
Patrícia Lopes Study Design: Retrospective observational
Hospital Beatriz Ângelo, Portugal
study of 54 children with OSRD who underwent
Gonçalo Caetano adenotonsillectomy.
Hospital da Senhora da Oliveira, Materials and Methods: Questionnaire applied
to caregivers of children aged 2-12 years, who
Bruna David underwent adenotonsillectomy for OSRD
Hospital Beatriz Ângelo, Portugal between January and November 2021, at Hospital

Andréa Gaspar Beatriz Ângelo.
Hospital Beatriz Ângelo, Portugal Results: 54 children were evaluated and it was
found that 40,7% of the children had bruxism, with
Maria Pimenta Machado only 9.3% after surgery.
Hospital Beatriz Ângelo, Portugal Conclusion: According to our study, as it has
been already described in the literature, there is
Alberto Santos a relationship between adenotonsillectomy and
Hospital Beatriz Ângelo, Portugal
bruxism, with improvement or resolution in 77%
Carlos Macor of children that presented bruxism before surgery.
Hospital Beatriz Ângelo, Portugal Palavras-chave traduzidas: Bruxism; adenoid
hypertrophy; adenotonsillectomy; obstructive
sleep-disordered breathing (OSRD)

Introduction
Bruxism is defined as an involuntary activity
of the masticatory system, produced by
contractions of the jaw elevator muscles, and is
characterized by the parafunctional behavior
of grinding and/or clenching the teeth. It may
occur during sleep (sleep bruxism) or when a
person is awake (awake bruxism). 1
Bruxism may be diagnosed from a clinical
perspective based on the following signs and
symptoms: current history of clenching and/
Correspondence: or grinding the teeth or sounds confirmed
Filipa Morgado by others; detection of facets of abnormal
filiparuasmorgado@gmail.com dental wear not compatible with functional
Article received on May 5, 2022. wear; headaches; tiredness or muscle fatigue
Accepted for publication on December 3, 2022. upon waking up; clicks and noises in the
temporomandibular joint (TMJ); hypersensitive

Volume 61 . Nº1 . March 2023 17