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Query: UMLS:C0018681 (headache)
 56,091 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

EEG recordings were carried out on 36 patients with the verified diagnosis of bruxism and unilateral headache. Occlusal splints were applied in the long-term management of these patients. Initial EEG recordings showed pathological changes in 56% of the patients. The EEG recordings were repeated two and six weeks later in these patients and following improvement in the clinical symptomatology pathological EEG patterns were detected in only 22% of all cases. This decrease is of statistical significance.
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PMID:[EEG changes in symptomatic headache caused by bruxism]. 357 88

The influence of dental status, occlusal interference, occlusal anomalies, and general background variables on bruxism and subjective symptoms and clinical signs of mandibular dysfunction has been studied in children. Three samples of children, aged 7, 11, and 15 years, were included. The interrelations were analyzed by rank-correlation and stepwise multiple regression. In the rank-correlation analyses, dental wear and age were significantly correlated to all of the dysfunction variables. Bruxism (reported by the subjects) was not found to be significantly correlated to any of the independent variables in the regression analysis. Subjective symptoms of dysfunction could be explained to a small extent by the independent variables, of which dental wear and sucking habits were found to be the most important. Recurrent headache was, to a certain extent, dependent upon age and sex. TMJ clicking was positively correlated with dental wear and unilateral contact in the retruded contact position but was most influenced by age and sex; TMJ clicking increased with age and was more common in girls than in boys. The clinical dysfunction index of Helkimo and tenderness of the masticatory muscles on palpation were explainable, although to a minor degree, by the influence of a combination of age, occlusal interference, motor activity, and psychological factors. Functional malocclusion (occlusal interference) is more important than morphologic malocclusion in explaining the existence of mandibular dysfunction. Nevertheless, morphologic malocclusion such as Class II and Class III occlusion, frontal open-bite, and cross-bite, when associated with functional malocclusion, may create a predisposition to mandibular dysfunction. The study confirms the multifactorial etiology of mandibular dysfunction.
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PMID:The dependence of mandibular dysfunction in children on functional and morphologic malocclusion. 657 72

An interview and a clinical examination of signs and symptoms of functional disturbances and diseases in the stomatognathic system were performed on 309 adolescents 15-18 years old. Relationships and differences between data from this investigation were analyzed. Statistically significant correlations were found between headaches, bruxism, and tenderness to palpation of the attachment of the temporal muscle. There were also correlations between occlusal interferences in the retruded position (RP) and clickings and between mediotrusion interferences and clickings. The occlusal interferences were correlated to tenderness to palpation of the TMJ and TMJ muscles. Young people with distal occlusal relation were more frequently conscious of symptoms from the stomatognathic system than those with neutral or mesial occlusal relation. Deep bite was correlated to clenching and frontal dental wear.
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PMID:Relationships between oral parafunctions and functional disturbances in the stomatognathic system among 15- to 18-year-olds. 657 61

Subjective symptoms and clinical signs of temporomandibular disorders (TMD) as well as presence of headache, bruxism and occlusal interferences were examined in 50 patients (mean age 12.9 years) before, during and immediately after orthodontic treatment. The prevalences of signs and symptoms of TMD were high before the treatment in comparison with subjects in an epidemiological study. Except for TMJ sounds, signs and symptoms of TMD as well as presence of headache decreased during the treatment. The major factor for decrease of the dysfunction index during the treatment compared with before the treatment, was tenderness to palpation of the masticatory muscles. Although there was a high prevalence of occlusal interferences during treatment, they seemed to have little importance for development of TMD. One explanation may be that the orthodontically moved teet are sensitive to contact resulting in a decrease of oral parafunctions. Such a decrease was also reported by the patients.
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PMID:Temporomandibular disorders in the active phase of orthodontic treatment. 747 34

Motor disorders affecting the orofacial musculature include bruxism, chronic orofacial muscle pain affecting the jaw and neck muscles and the involuntary waking period disorders such as orofacial dyskinesia, oral mandibular dystonia, tremor and others. Research at UCLA has touched these and many other areas. Current results have indicated the usefulness of contingent afferent electrical stimulation of the lip to control bruxism; provided information regarding the fatigue, endurance and recovery faculties of the protrusive jaw muscles; explored the issue of chronic muscle hyperactivity inducing headache pain; and worked with botulin toxin as a method to treat orofacial dystonia and dyskinesia.
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PMID:Oral motor disorders in humans. 768 5

The associations between oral parafunctions, signs and symptoms of craniomandibular disorders (CMD), race, and sex were analysed in recordings from 203 4-6-year-old African-American and Caucasian children. Significant correlations were found between bruxism, nail biting, thumb sucking and most of the CMD signs and symptoms. There were also significant associations between most of the signs and symptoms and race, while significant association with sex was found only regarding headache, TMJ sounds and chewing pain. Significant associations were found between most CMD signs and TMJ sounds supporting the view that joint sound recordings have diagnostic value. There were also significant associations between the pain variables recorded by questionnaire and those recorded by palpation, which indicates that reliable data can be obtained by interviewing children as young as five. The results of this study support the concept that oral parafunctions have a significant role in the aetiology of CMD. The results also show that race and sex need to be considered when analysing the possible aetiological role of oral parafunctions in CMD. Longitudinal studies, beginning with low age groups are needed to better determine the role of childhood oral parafunctions in CMD aetiology.
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PMID:Association between CMD signs and symptoms, oral parafunctions, race and sex, in 4-6-year-old African-American and Caucasian children. 772 50

Bruxism, or the grinding and clenching of teeth, occurs in approximately 15 percent of children and in as many as 96 percent of adults. The etiology of bruxism is unclear, but the condition has been associated with stress, occlusal disorders, allergies and sleep positioning. Because of its nonspecific pathology, bruxism may be difficult to diagnose. In addition to complaints from sleep partners, signs of teeth grinding include masticatory pain or fatigue, headaches, tooth sensitivity and attrition, oral infection and temporomandibular joint disorders. Signs of bruxism include tooth wear and mobility, as well as tender or hypertrophied masticatory muscles and joints. Children with bruxism are usually managed with observation and reassurance. Adults may be managed with stress reduction therapy, alteration of sleep positioning, drug therapy, biofeedback training, physical therapy and dental evaluation. If significant tooth attrition, mobility or fracture occurs, dental referral is mandatory.
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PMID:Treatment approaches to bruxism. 818 96

A report is presented of a 5-year-old girl who had an 11-month history of chronic headache and nocturnal bruxism. Treatment using a removable appliance that provided maximum support in centric relation was successful in relieving the headache during a follow-up period of 22 months.
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PMID:Chronic headache and nocturnal bruxism in a 5-year-old child treated with an occlusal splint. 821 18

Associations between tinnitus and craniomandibular disorders (CMD) were investigated in an epidemiological sample, in tinnitus patients, and in patients attending a 'CMD-clinic'. Natural course of tinnitus was explored in a longitudinal epidemiological study of an elderly population. Several findings indicating a relatively strong relationship between CMD, tinnitus and subjective hearing loss were noted. This relationship seemed to be independent of objectively assessed degree of hearing loss, occupational noise exposure, general morbidity, medication or socioeconomic status. The prevalence of frequent headaches and fatigue or tenderness in jaw muscles was higher in tinnitus patients than would be expected if these conditions were unrelated. About one third of the individuals affected by tinnitus reported influence on tinnitus by jaw movements or pressure on the temporomandibular joint (TMJ). Diurnal bruxism and jaw fatigue appeared to be related to fluctuating tinnitus, vertigo, and hyperacusis. Stomatognathic and biofeedback treatment seemed to be able to reduce or eliminate tinnitus in some patients. Relatively low severity of tinnitus, normal hearing, fluctuating tinnitus, and some signs and symptoms of CMD are believed to constitute predictors of successful treatment outcome. Substantial longitudinal fluctuations with a high occurrence of spontaneous remissions of tinnitus were found in elderly people.
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PMID:Tinnitus and craniomandibular disorders--is there a link? 850 98

Data collected on 406 patients of both sexes, aged between 9 and 78 (mean age 30.47) and suffering from algias and craniomandibular disorders, have been examined, in order to show the more frequent clinical variables and to improve the knowledge of the stomatognatic dysfunction, by characterizing diagnostic subgroups. The observed prevalence of the female sex and young adults is in agreement with the literature. Older subjects seem to accept more easily dysfunctional problems; the developmental age needs an active prevention. The data were similar to those of the previous researches, demonstrating that the trend of this disease is constant, during the last 15 years. The most frequent sign and symptoms were: joint noise, muscles tenderness, mandibular hypomobility, cephalalgia, earache. The classified, variously imbricated, pathologies were the muscular disorders (40.1%), the internal derangement (disk dislocations), (35.8%) and the inflammatory and degenerative (morpho-structural) changes (19.6%). The multifactorial aetiology was confirmed by investigating the main pathogenetic factors, which resulted: bruxism (35.9%), loss of vertical dimension (34.7%), postural problems (33%), mandibular entrapment (26.6%), facial asimmetry (26.1%).
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PMID:[Clinical aspects of craniomandibular disorders. I. Analysis of a sample group of patients and diagnostic classification]. 898 24


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