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Updated: Mar 25, 2026
Measurement & Analysis of the Temporal Discrimination Threshold Applied to Cervical Dystonia
Published on: January 27, 2018
Bruxism in craniocervical dystonia: a prospective study
Laetitia Borie1, Nicolas Langbour2, Dominique Guehl2,3
1a Department of Dentistry , Bordeaux University Hospital, Hôpital Pellegrin , Bordeaux , France.
Bruxism occurs more frequently in patients with craniocervical dystonia than in healthy individuals. However, the clinical features of bruxism are similar between these groups, except for increased jaw pain in dystonic patients.
Area of Science:
- Neurology
- Dentistry
- Movement Disorders
Background:
- Bruxism pathophysiology is not well understood.
- Its prevalence in movement disorders is under-investigated.
Purpose of the Study:
- Compare bruxism frequency in craniocervical dystonia patients versus controls.
- Identify clinical features associated with bruxism in these groups.
Main Methods:
- Prospective-control study.
- 114 dystonic subjects and 182 controls.
- Bruxism diagnosed via questionnaire and clinical examination.
Main Results:
- Higher bruxism frequency in dystonic patients compared to controls.
- No difference in frequency between facial and cervical dystonia.
- Bruxism more common in women; temporomandibular jaw pain higher in dystonic patients.
Conclusions:
- Increased bruxism in dystonic patients suggests a link to basal ganglia dysfunction.
- Bruxism characteristics are similar in dystonic patients and the general population.
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