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Aerosol droplets produced by flushing the toilet can mix with the air of the room, [8] larger droplets will settle on surfaces or objects creating fomites (infectious pools) before they can dry, like on a counter top or toothbrush; [7] [10] and can contaminate surfaces such as the toilet seat and handle for hours, which can then be contacted by hands of the next user of that toilet. [3]
Main building of Vipeholm hospital, now a secondary school. The Vipeholm experiments or Vipeholm Study (Swedish: Vipeholmsexperimenten) were a series of human experiments where patients of Vipeholm Hospital for the intellectually disabled in Lund, Sweden, were fed large amounts of sweets, including "extra sticky toffee" [clarification needed] to provoke dental caries.
Dental aerosol from a dental hand piece. A dental aerosol is an aerosol that is produced from dental instrument, dental handpieces, three-way syringes, and other high-speed instruments. These aerosols may remain suspended in the clinical environment. [1] Dental aerosols can pose risks to the clinician, staff, and other patients
By targeting the USAG-1 gene, researchers believe that they can help people without a full set of teeth regrow teeth. The team says that humans have a third set of teeth available as buds, ready ...
"A recent global health report revealed that oral diseases – such as untreated tooth decay and gum disease – affected 3.5 billion people in 2022, making them the most widespread health ...
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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 ...
Secondary dentin is formed after root formation is finished and occurs at a much slower rate. It is not formed at a uniform rate along the tooth, but instead forms faster along sections closer to the crown of a tooth. [33] This development continues throughout life and accounts for the smaller areas of pulp found in older individuals. [32]