You cannot heal a cavity in 2 days at home
Use fluoride toothpaste twice daily
Brush gently for 2 minutes each time
Floss once daily
Rinse with fluoride mouthwash
Avoid sugary foods and drinks
Avoid frequent snacking
Drink water after eating
Chew sugar-free xylitol gum
Eat calcium-rich foods
Eat vitamin D-rich foods
Avoid very acidic foods and drinks
Use a soft-bristled toothbrush
Take over-the-counter pain relief if safe for you
See a dentist as soon as possible
Get urgent dental care for swelling, fever, pus, or severe pain