Did you know that even blind people, who have never seen a human smile before, will still smile? We all smile as a natural human reaction, and every smile is different. In fact, your smile is as unique as your fingerprint.

For various reasons, sometimes we do not have the smile we wish we had. Teeth can fall out, requiring a dental implant of some kind. Or maybe our smiles are not as white as we would like them to be. Whatever your situation is, here are four facts to ponder before you make an appointment.

1. Approximately $1.4 billion is spent by Americans every year on ways to make their teeth shine brighter and whiter. You can get over-the-counter whitening remedies at a drugstore or pharmacy, but these results often take longer to appear. Getting a dental implant will not be necessary, though, as the best de