What Teeth Shades Are Easier To Whiten?
1. Extrinsic Teeth DisColoration
Stains on teeth due to external factors. In general, your teeth are yellow. It will be easier to make them whiter.
However, some people have teeth that are naturally yellow, it will be harder to whiten these types of teeth considerably.
2. Intrinsic Teeth DisColoration
Stains due to internal factors. In general, your teeth are gray or brown. A whitener won't be as effective, it will harder to whiten.
These types of stains or colorations on the teeth are caused by the underlying / systemic factors which lead to enamel defects. The teeth with Root Canal Treatment, Vital or non-vital pulp are affected. The gray teeth, which can result from certain antibiotics.