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George Washington's teeth. George Washington, the first President of the United States, lost all but one of his teeth by the time he was inaugurated, and had at least four sets of dentures he used throughout his life. Made with brass, lead, gold, animal teeth and human teeth; the dentures were primarily created and attended to by John Greenwood ...
Meth mouth is a colloquial term used to describe severe tooth decay and tooth loss, as well as tooth fracture, acid erosion, and other oral problems that are often symptomatic to extended use of the drug methamphetamine. The condition is thought to be caused by a combination of side effects of the drug (clenching and grinding of teeth, dry ...
Dental fluorosis is a common [2] disorder, characterized by hypomineralization of tooth enamel caused by ingestion of excessive fluoride during enamel formation. [3] It appears as a range of visual changes in enamel [4] causing degrees of intrinsic tooth discoloration, and, in some cases, physical damage to the teeth.
It was theorized that positive selection for shovel-shaped incisors over the spatulate incisors is more commonly found within cultures that used their teeth as tools due to a greater structural strength in increased shovel-shaped incisors. In some instances, incisors can present a more pronounced version of this called double shovel-shaped.
This is why he advises rinsing your mouth thoroughly after applying whitening strips. Regarding hydrogen peroxide, a 2019 study conducted by Stockton University found that it could have negative ...
Periodontal disease, also known as gum disease, is a set of inflammatory conditions affecting the tissues surrounding the teeth. [5] In its early stage, called gingivitis, the gums become swollen and red and may bleed. [5] It is considered the main cause of tooth loss for adults worldwide. [7] [8] In its more serious form, called periodontitis ...
Human tooth sharpening is the practice of manually sharpening the teeth, usually the front incisors. Filed teeth are customary in various cultures. Many remojadas figurines found in parts of Mexico have filed teeth and it is believed to have been common practice in their culture. The Zappo Zap people of the Democratic Republic of Congo are ...
Human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. As such, they are considered part of the human digestive system. [1] Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function.
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