Looking on the internet deeply has found these results:

cavity in a tooth is the most popular phrase on the web.

cavity on a tooth 164,400 results on the web	cavity in a tooth 1164,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
She's like a nail digging into a cavity in my tooth. It may be an impacted wisdom tooth or cavity. You have cavities in every single tooth. If that man has a cavity in his tooth, I want to know about it. It's like my heart is a tooth, and it's got a cavity that can only be filled with children. Somebody left a tooth in this retainer. You have cavities in every single tooth. It is intended for dental use. The product prepares the surface of tooth cavities for bonding with filling material.	It is intended for dental use. The product prepares the surface of tooth cavities for bonding with filling material. You have cavities in every single tooth. She's like a nail digging into a cavity in my tooth. It's like my heart is a tooth, and it's got a cavity that can only be filled with children. It may be an impacted wisdom tooth or cavity. Somebody left a tooth in this retainer. If that man has a cavity in his tooth, I want to know about it. You have cavities in every single tooth.

cavity on a tooth

164,400 results on the web

cavity in a tooth

1164,000 results on the web

More popular!

She's like a nail digging into a cavity in my tooth.
It may be an impacted wisdom tooth or cavity.
You have cavities in every single tooth.
If that man has a cavity in his tooth, I want to know about it.
It's like my heart is a tooth, and it's got a cavity that can only be filled with children.
Somebody left a tooth in this retainer.
You have cavities in every single tooth.
It is intended for dental use. The product prepares the surface of tooth cavities for bonding with filling material.

It is intended for dental use. The product prepares the surface of tooth cavities for bonding with filling material.
You have cavities in every single tooth.
She's like a nail digging into a cavity in my tooth.
It's like my heart is a tooth, and it's got a cavity that can only be filled with children.
It may be an impacted wisdom tooth or cavity.
Somebody left a tooth in this retainer.
If that man has a cavity in his tooth, I want to know about it.
You have cavities in every single tooth.