Are cavities permanent or can teeth heal?

Question

Can cavities ever repair themselves to any degree?

Answer 1

depending on the depth, cavities CAN "heal."

INCIPIENT decay is MILD decalcification of the enamel usually less than 1 mm in depth (as opposed to moderate and severe decay).

the surface must be intact. basically the enamel is more porous.  Flouride fills in the gaps thus remineralizing the tooth.  That's why we love flouride and it's great on a day to day basis.

But holes larger than 2-3 mm cannot "heal" because the surface is no longer intact.  Then you'll need a dental filling.

brush with flouride toothpaste and floss!

prevention is the easiest and cheapest.  

Answer 2

No  

once you lost the dental email no way to renewal

the second starts "dentin "can be re-substituted but in an inverse location  in the pulp side

once you have cavity you have it for ever

Answer 3

Cavities do not have to be permanent.  They can be remineralized if enough fluoride can come in contact with the decay. But if the decay is too large the outer layer may become remineralized but the under the remineralized section there still can be some active decay. Cavities can be filled with tooth colored fillings, or with a silver filling (Amalgam). They can not "heal" like skin. (By the way porcelain is not part of your natural tooth; it can be placed over a metal crown to be  more esthetically acceptable)

Answer 4

No!

Once the porcelain is breached, there is no going back.  Unless cleaned and filled, the inner tooth will rot until the root dies, and the tooth falls out.  By then you probably will have an abscess in your gum.

I suggest you get the problem fixed.