1815, Jan 211848, Jan 24
an American dentist who pioneered the use of anesthesia in dentistry, specifically nitrous oxide (or laughing gas). At age 23, Wells published a booklet "An Essay on Teeth" in which he advocated for his ideas in preventive dentistry, particularly for the use of a toothbrush. In his booklet, he also described tooth development and oral diseases, where he mentioned diet, infection, and oral hygiene as important factors. After definitively ending his dental practice in late 1845, Wells became a salesman of shower baths which he received a patent for on November 4, 1846.
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