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Chewing or mastication is the process by which food is crushed and ground by the teeth. It is the first step in the process of digestion, allowing a greater surface area for digestive enzymes to break down the foods. During the mastication process, the food is positioned by the cheek and tongue between the teeth for grinding.
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]
A 1930s poster from the Work Projects Administration promoting oral hygiene. Tooth decay is the most common global disease. [14] Over 80% of cavities occur inside fissures in teeth where brushing cannot reach food left trapped after eating and saliva and fluoride have no access to neutralize acid and remineralize demineralized teeth, unlike easy-to-clean parts of the tooth, where fewer ...
If you eat or drink a lot of citrus like oranges, grapefruit, limes and lemons, beware that the acid can wear away at the enamel on your teeth, making them vulnerable to bacteria and cavities ...
“The acidity that sits on one's teeth and the bacteria that comes from decaying food on the surface of one’s teeth are the primary culprits for tooth decay, so rinsing actual hard material and ...
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Gastroliths in some species are retained in the muscular gizzard and used to grind food in animals lacking suitable grinding teeth. In other species the rocks are ingested and pass through the digestive system and are frequently replaced. The grain size depends upon the size of the animal and the gastrolith's role in digestion.
Eating a balanced diet that's low in sugary foods can also help prevent additional plaque buildup during the early stages of gum disease. However, if tartar is present, it needs to be ...