Can i tell me how i can tell whether i have a cavity?

Sometimes: Visually one can distinguish a cavity by the appearance of a small to large crater and may have a brown color. At early stages of a cavity, the patient may complain of sensitivity to cold and sweets. The best way to detect a cavity is have a comprehensive exam with your dentist.

Best way: Best way, see a dentist. That's why they have all those years of training and experience. Dentists can find cavities and treat them early and inexpensively. If you, as a layman, think you have a cavity, it's probably developed into a big problem. Please call your dentist...Now!

Let us review your q: The best way to evaluate for a cavity is to see a dentist regularly. xrays of your teeth are taken once a year. If they are small you may not have any signs or symptoms. The larger ones increase your risk of tooth abcess.

Training: By the time you can tell (discoloration, hole, pain, temperature sensitivity, etc) you no longer have a little easily fixed cavity. Now you have the Grand Canyon requiring extensive expensive repair. Would be infinitely better to see your Dentist regularly. Dentist trained all those years to find and repair incipient problems before you have an acute painful problem.