Howstuffworks "How Cavities and Fillings Work"

Howstuffworks "How Cavities and Fillings Work"
will greatly reduce the likelihood that a dental cavity will go undetected and usually brown or black, can sometimes indicate a dental cavity.

EPA - Air Toxics Website - Hydrogen Fluoride
Chronic (long-term) exposure of humans to fluoride at low levels has a beneficial effect of dental cavity prevention and may also be useful for the

Toothache - Symptoms and Signs from MedicineNet
The most common cause of a toothache is a dental cavity. The second most common cause is gum disease. Toothache can be caused by a problem that does not