Definitions for oral hygiene
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Wiktionary
oral hygiene(Noun)
The practice of keeping the mouth clean in order to prevent cavities (dental caries), gingivitis, periodontitis, bad breath (halitosis), and other dental disorders.
U.S. National Library of Medicine
Oral Hygiene
The practice of personal hygiene of the mouth. It includes the maintenance of oral cleanliness, tissue tone, and general preservation of oral health.
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