Dental discoloration is one of the most problems that annoying dental patients especially females. These days can be considered the era of white teeth. So before thinking about teeth whitening you should first understand why the tooth become stained from the beginning trying to avoid stains as much as possible.
Types of dental stains A-discoloration from inside the tooth(internal):
discoloration that present inside the tooth can come from tooth pulp, colored materials that retained inside the tooth material during tooth development or an extrinsic stains that can penetrate inside the tooth from outside
Internal discoloration that is formed before the eruption of the tooth:
This type of dental discoloration can be caused by genetic defects that affect the tooth during tooth formation and cause the tooth to be rough and porous which make it stains very easy or even erupt stained from the beginning , increased fluoride uptake(during pregnancy or early childhood) also can cause severe staining, also some drugs can cause [...]