also: こうこうえいせい
noun
dental health; oral hygiene
Refers to the maintenance of oral health, including teeth, gums, and mouth cleanliness. Used in medical, dental, and everyday contexts.
口腔衛生を保つために、毎日の歯磨きが大切です。
Daily tooth brushing is important to maintain oral hygiene.
歯科医は口腔衛生の重要性を強調した。
The dentist emphasized the importance of dental health.
歯科衛生 specifically refers to dental hygiene as a professional field or practice, while 口腔衛生 is a broader term for oral health in general.
Compound of 口腔 (oral cavity) and 衛生 (hygiene). The reading こうくう is standard for 口腔; the variant こうこう is a less common reading.