
Tooth decay begins when acid produced by bacteria in plaque dissolves the mineral in the teeth, causing microscopic holes or "pores" to form. As the decay process progresses these micro-pores increase in size and number. Eventually the damaged tooth may have to be drilled and filled to prevent toothache or even removed. More
[Of course, unless the American Dental Association can find a way to make a great deal of money from the procedure, do not expect US approval. The British may one day have better teeth than Americans' pricey and artificial dentures, crowns, and caps.]