oral hygiene - Definition & Meaning

oral hygiene

the practice of keeping one's mouth and teeth clean and healthy by regular brushing, flossing, and cleaningthe practice of keeping one's mouth and teeth clean and healthy by regular brushing, flossing, and cleaning

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oral hygiene

口腔卫生, 牙齿护理

the practice of keeping one's mouth and teeth clean and healthy by regular brushing, flossing, and cleaning