Document Detail


Bruxism and cranial-cervical dystonia: is there a relationship?
MedLine Citation:
PMID:  10650407     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To characterize the relationship between bruxism and dystonia, 79 patients (28 men and 51 women) with cranial-cervical dystonia were studied. Sixty-two patients (78.5%), 22 men and 40 women, had bruxism. The mean age at onset of dystonia in patients with bruxism was 52.4 +/- 12.6 years (range 14-80), similar to patients with cranial-cervical dystonia without bruxism. Involuntary oromandibular movements (46 patients) and blepharospasm (34 patients) were the most common initial symptoms among patients with dystonia. About one-fourth of bruxism patients had associated dental problems including TMD (21%) and tooth wear (5%). A majority (58%) of the bruxism patients had diurnal bruxism and 12% had nocturnal bruxism. The bruxism patients were compared to 100 patients with Parkinson's disease (PD), cervical dystonia, cranial dystonia, and normal controls, respectively. The prevalence of bruxism was much higher in the cranial-cervical dystonia patients when compared to normal controls (P < 0.001); however, this difference was not significant between other diseased groups and controls. Medications and botulinum toxin injections, used in the treatment of focal dystonia also provided effective relief of bruxism.
Authors:
M W Watts; E K Tan; J Jankovic
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cranio : the journal of craniomandibular practice     Volume:  17     ISSN:  0886-9634     ISO Abbreviation:  Cranio     Publication Date:  1999 Jul 
Date Detail:
Created Date:  2000-02-02     Completed Date:  2000-02-02     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8609491     Medline TA:  Cranio     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  196-201     Citation Subset:  D    
Affiliation:
Department of Neurology, Baylor College of Medicine, Houston, Texas 77030, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Aged, 80 and over
Blepharospasm / etiology
Botulinum Toxins / therapeutic use
Bruxism / drug therapy,  etiology*
Case-Control Studies
Chi-Square Distribution
Child
Craniomandibular Disorders / etiology*
Dystonia / complications*
Dystonic Disorders / complications
Facial Muscles / physiopathology
Female
Humans
Male
Middle Aged
Neck Muscles / physiopathology
Chemical
Reg. No./Substance:
0/Botulinum Toxins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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