SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Four assorted tongue scrapers dating from between 1800 and 1850, England. These are made out of silver, ivory and tortoiseshell. These tongue scrapers were handcrafted personal hygiene instruments, specially designed for the removal of debris which build up on the tongue. The concept of tongue scraping has endured, and similar devices made from metal or plastic are used in modern oral hygiene practices to remove the plaque, food debris and bacterial build ups responsible for halitosis (bad breath).
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