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Epidemiology: – Reported prevalence varies due to differences in study methodologies. – ICSD-R notes 85-90% grind teeth at some point, with 5% developing clinical condition. […]

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– Reported prevalence varies due to differences in study methodologies.
– ICSD-R notes 85-90% grind teeth at some point, with 5% developing clinical condition.
– Awake bruxism more common in women; sleep bruxism affects both genders equally.
– Children and adults can experience bruxism, with prevalence ranging from 14-31%.
– Prevalence decreases with age, with around 3% in those over 60.

Signs and Symptoms:
– Many are unaware of bruxism due to lack of symptoms or understanding.
– Symptoms include grinding noise, cheek/lip biting, burning tongue sensation.
– Other signs: tooth wear, muscle hypertrophy, jaw tenderness, trismus.
– Pain or tenderness in jaw muscles and temporomandibular joints.
– Effects like headaches, tooth wear, fractures, and hypersensitive teeth.

– Pain not always present in bruxism cases.
– Pain in muscles of mastication similar to post-exercise muscle pain.
– Pain locations include jaw angle, temple, and temporomandibular joints.
– Bruxism can lead to inflammation, sore teeth, and hypersensitivity.
– Relationship between bruxism and temporomandibular joint dysfunction debated.

– Bruxism falls under the specialty of dentistry.
– It involves excessive teeth grinding or jaw clenching.
– Bruxism is a common behavior, with prevalence ranging from 8-31%.
– Symptoms include jaw muscle aches, headaches, tooth wear, and dental damage.
– Two main types are sleep bruxism and awake bruxism.

Causes and Treatments:
– Multiple factors contribute to bruxism, with different causes for awake and sleep bruxism.
– Awake bruxism more common in women; both genders affected equally in sleep bruxism.
– Various treatments exist, but evidence of efficacy is limited.
– Symptoms may be minimal, leading to unawareness of the condition.
– Without intervention, bruxism can lead to extensive tooth wear and damage.

Bruxism (Wikipedia)

Bruxism is excessive teeth grinding or jaw clenching. It is an oral parafunctional activity; i.e., it is unrelated to normal function such as eating or talking. Bruxism is a common behavior; reports of prevalence range from 8% to 31% in the general population. Several symptoms are commonly associated with bruxism, including aching jaw muscles, headaches, hypersensitive teeth, tooth wear, and damage to dental restorations (e.g. crowns and fillings). Symptoms may be minimal, without patient awareness of the condition. If nothing is done, after a while many teeth start wearing down until the whole tooth is gone.

Attrition (tooth wear caused by tooth-to-tooth contact) can be a manifestation of bruxism.

There are two main types of bruxism: one occurs during sleep (nocturnal bruxism) and one during wakefulness (awake bruxism). Dental damage may be similar in both types, but the symptoms of sleep bruxism tend to be worse on waking and improve during the course of the day, and the symptoms of awake bruxism may not be present at all on waking, and then worsen over the day.

The causes of bruxism are not completely understood, but probably involve multiple factors. Awake bruxism is more common in women, whereas men and women are affected in equal proportions by sleep bruxism. Awake bruxism is thought to have different causes from sleep bruxism. Several treatments are in use, although there is little evidence of robust efficacy for any particular treatment.

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