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Bruxism

 Syn. Grinding of teeth , Repetitive clenching , Bracing or thrusting of the mandible

Signs & Symptoms

 Anxiety
Ref: Uptodate [ Sleep-related movement disorders in childhood] Epocrates [ https://online.epocrates.com/diseases/70832/Bruxism/Risk-Factors]
Loud snoring
Ref: Uptodate [ Sleep-related movement disorders in childhood] Epocrates [ https://online.epocrates.com/diseases/70832/Bruxism/Risk-Factors]
Stress Gr. children
Ref: Uptodate [ Oral habits and orofacial development in children] Epocrates [ https://online.epocrates.com/diseases/70832/Bruxism/Risk-Factors]
Unilateral nonepileptic twitches of the face during sleep (negative symptom)
Ref: Epocrates [ https://online.epocrates.com/diseases/70835/Bruxism/Differential-Diagnosis]

Physical Examination

 Tooth with areas of worn enamel on the chewing surfaces
Ref: Uptodate [ Temporomandibular disorders in adults]
Fractured chipped teeth
Ref: Uptodate [ Temporomandibular disorders in adults]
Wear facets on canines and incisors
Ref: Epocrates [ https://online.epocrates.com/diseases/70832/Bruxism/Risk-Factors]

Lab / Serology

Imagin Study

 Rhythmic masticatory muscle activity
Note: occuring at approximately 1 Hz, RMMA typically lasting 3 to 15 seconds. prolonged isotonic may last for several minutes at a time
Ref: Uptodate [ Sleep-related movement disorders in childhood]

Complication

 Fracture of dental restorations
Note: Unstable dentures may exacerbate bruxism
Ref: Epocrates [ https://online.epocrates.com/diseases/70832/Bruxism/Risk-Factors]

Risk Factors

 Alcohol
Ref: Epocrates [ https://online.epocrates.com/diseases/70832/Bruxism/Risk-Factors]
Smoking
Ref: Uptodate [ Sleep-related movement disorders in childhood]

Cause

 Stress Gr. children
Ref: Uptodate [ Oral habits and orofacial development in children] Epocrates [ https://online.epocrates.com/diseases/70832/Bruxism/Risk-Factors]
Psychiatric disorders Gr. children
Ref: Uptodate [ Oral habits and orofacial development in children]
Psychotic disorders Gr. children
Ref: Uptodate [ Oral habits and orofacial development in children]

Other