What can I do about a small cavity in my tooth?

Small Cavity. You have no other choice then to have the tooth filled. The longer you wait the bigger the filling will become. If you wait to long you will need a root canal, or a possible extraction. So go to your dentist and have the tooth filled. It will not get better it will just get worse.
Depends on Depth . Depends on the size, location, depth along with other factors. Destroyed tooth structure does not fully regenerate, although remineralization of very small carious lesions may occur if dental hygiene is kept at optimal level. Your dentist can help you decide your treatment.
Small cavity ? Small is a relative term used to rationalize many things. Small cancer, small bomb. If it is small today i gaurentee you it will be larger tomorrow. Which would you rather have a small filling or a large one? Go.
Cavity in tooth. You do need a filling there is no other way, if you dont fill, you will eventually loose the tooth.

Related Questions

What can I do about a small cavity in my tooth besides drill and fill?

Cavity in tooth. You do need a filling there is no other way, if you dont fill, you will eventually loose the tooth. Read more...
Leave it alone. You can monitor it. Some cavities are self limiting and will just be there. Others are active and need to be treated. Best let a competent dentist help you with this decision. Read more...
Good oral. Hygiene will help toslow down the caries process. However, you do need a filling. Read more...
Potential Reversal . Depending on the extent of tooth destruction, various treatments can be used to restore teeth to proper form, function, and aesthetics, but there is no known method to regenerate large amounts of tooth structure. If the cavity is discovered at early onset a high Fluoride toothpaste, high ph rinse along with managing risk factors can be used to remineralization of very small cavity lesions. Read more...
Why? Early demineralization\decalcification of the enamel of the tooth can sometimes be reversed with remineralizing toothpastes & impeccable oral hygiene. However, the causes of this occurring in the first place usually do not stop & therefore it tends to reoccur with deepening decay! there are no magic treatments. It's best to just get it filled when it is small & easily repaired. No reason not to! Read more...