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Fig 6. Bruxism
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Bruxism
(habitual grinding of teeth, Figure 6) is common among
children. It results in moderate wear of the primary
canines and molars. Rarely, except in children with
musculoskeletal disorders (e.g., cerebral palsy) or
severe mental retardation, does the wear endanger
the pulp. Bruxism may lead to tooth abrasion and flat,
inefficient biting surfaces; tooth sensitivity (e.g.,
sensitivity to hot/cold temperatures owing to loss
of tooth structure); or muscle soreness and joint
pain. In extreme cases, the teeth must be restored
with crowns to prevent pulpal exposure or to eliminate
tooth sensitivity.
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