
Discoloration of teeth can be caused by various reasons, such as :
- Smoking
- Consumption of colored food and drinks
- Medication
- Naturally inherited color
- Age
As the layer of enamel on the teeth is constantly getting thinner and thinner as times goes by, so the yellowish dentine that lies bellow becomes more and more visible. Whether the dentist recommends a bleaching kit or a laser system, the precise composition of each manufacturer will vary considerably but will consist of hydrogen peroxide.
Products are normally formulated to have a Ph value so that it is non acidic.
Results can be achieved more rapidly with laser than a home kit. The main difference between laser and opalescence is that laser systems have an active ingredient which accelerates the process under a light.

