A OR B EITHER ONE I THINK:)
Answer:
Hydration, medications taken, infection
Explanation:
<span> Infrared Cloud Imager </span>
Anything in the mouth, really. Gingivitis, for example. By brushing your teeth regularly (in the mornings, after lunch, dinner, at night etc.) you can prevent this i.e Good Hygiene. A common prescription medication would be <span>Erythromycin or Penicillin.
Hope this helps!</span>
