We don't have access to Katy Perry's personal medical records, so we can't know how many cavities she has.
It's important to remember that everyone's dental health is unique and personal.
Here are some tips for maintaining good oral hygiene:
- Brush your teeth twice a day for two minutes each time.
- Floss at least once a day.
- Visit your dentist regularly for checkups and cleanings.
- Limit sugary drinks and snacks.
- Drink plenty of water.
By following these tips, you can help prevent cavities and maintain a healthy smile.