Why are teeth dificult to whiten?!


Question:

Why are teeth dificult to whiten?


Answers:

It depends on where the stain is coming from. Stain from the inside of the tooth can be whitened, but can take a lot more work and time.

Stain on the outside of the tooth is easier to remove, but can still be a little persistent. Get a cleaning first, and it'll be a little easier.




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