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Bruxism is excessive teeth grinding or jaw clenching. It is an oral parafunctional activity; [1] i.e., it is unrelated to normal function such as eating or talking. Bruxism is a common behavior; the global prevalence of bruxism (both sleep and awake) is 22.22%. [2]
Whereas teeth rarely come into contact during normal chewing, grinding of teeth may occur 1-4 hours in a 24-hour period, most often during sleep. The amount of pressure placed on teeth during functional habits is 140–550 kilopascals (20–80 psi), but the pressure can range from 2–20.7 megapascals (290–3,000 psi) during parafunctional habits.
Occlusal adjustment is the process of selectively modifying occlusal surfaces of teeth through grinding to eliminate disharmonious occlusion between upper and lower teeth. [32] Occlusal adjustment is only indicated when mobility is associated with periodontal ligament widening.
TMJ has a variety of risks and is often caused by grinding or clenching our teeth, also called bruxism, arthritis in the jaw joints, a broken or dislocated jaw, stress or malocclusion, when the ...
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Dentists have noticed an uptick in clenching and grinding because of COVID-19 anxiety. Read this A+ advice on fixing it. How To Stop Grinding Your Teeth Because Of Stress And Anxiety
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