There are two main types of whitening procedures. Vital whitening is performed on teeth that have live nerves. Non-vital whitening is done on a tooth that has had root-canal treatment and no longer has a live nerve
Whitening is not a one-time procedure. It will need to be repeated from time to time if you want to maintain the brighter color.
Helps improve your smile and your appearance
Boosts a person’s self-esteem
Helps make you look younger
You have to avoid certain foods and drinks to keep your teeth whiter for longer
Maintenance is actually required when you have your teeth whitened
You may suffer from sore gums and teeth