Even though it is nice to sit in the dentist’s chair for teeth whitening, there are a few caveats when it comes to visiting teeth whitening dentists. These include: teeth whitening costs can be extremely high at the dentist and people that are afraid of the dentist may not like professional teeth whitening An over the counter teeth whitening system may seem like a better alternative to getting your teeth bleached at a dental clinic, but it has a few problems of its own.