How To Know You Got A Cavity. What you need to know about tooth decay and orthodontics. When not cleaned off quickly enough, this acid is strong enough to wear away your tooth's enamel.
If the external walls have been covered you can also measure the width of the wall. If your wall has a regular pattern like this then your home is more than likely to have cavity walls. When a cavity begins to form, there may not.
How to know if you have a cavity?
Older adults sometimes get decay around the edges of fillings. Cavities look like brownish or chalky white holes on the teeth. If it is more than 260mm thick, chances are you have cavity walls. Since cavities are holes in teeth, having visible holes or pits in your teeth is a sure sign that you have a cavity.