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J. Annesley was one of the first to write about the differing effects of calomel when taken in small or large doses. [10] Through experimentation on dogs, Annesley concluded that calomel acted more like a laxative on the whole body rather than acting specifically on the vascular system or liver as previous physicians believed. [10]
Teeth play a vital role in an animal's survival; they are used for eating, grooming and defense. [2] [5] Each tooth is made up of a crown, which is above the gum line and covered in enamel, and roots that anchor the tooth to the alveolar bone. [2] [6] Beneath the enamel, there are collagen fibres and inorganic hydroxyapatite, which together ...
Red tooth powder from India. Tooth powder was historically used among the Romans to clean and whiten teeth, to fix them when loose, to strengthen the gums, and to assuage toothache. [2] [3] [4] They made tooth powder from a variety of substances, such as the bones, hoofs, and horns of certain animals; [2] crabs; oyster [5] and murex shells; and ...
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 ...
Dipping tobacco. Dipping tobacco is a type of finely ground or shredded, moistened smokeless tobacco product. It is commonly and idiomatically known as dip. Dipping tobacco is used by placing a pinch, or "dip", of tobacco between the lip and the gum (sublabial administration). The act of using it is called dipping.
Gingival recession, also known as gum recession and receding gums, is the exposure in the roots of the teeth caused by a loss of gum tissue and/or retraction of the gingival margin from the crown of the teeth. [1] Gum recession is a common problem in adults over the age of 40, but it may also occur starting in adolescence, or around the age of 10.
There’s one type of fan reaction that The Bachelor’s Kelsey Anderson has let get under her skin. “I don’t get offended when people are telling me that my teeth are yellow.
When the gingiva become so irritated that there is a loss of the connective tissue fibers that attach the gums to the teeth and bone that surrounds the tooth, this is known as periodontitis. Dental plaque is not the sole cause of periodontitis; however it is many times referred to as a primary aetiology .