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Q. I am on Invisalign treatment and my teeth have turned brown. What to do?

Answered by
Dr. Geeth Sadasivam
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Dec 28, 2017 and last reviewed on: Jul 31, 2019

Hi doctor,

I am currently on tray five of my Invisalign. Everything has been good so far. But, yesterday, the teeth in the bottom of my mouth started to turn brown. I am worried that something is wrong. I clean my teeth three times a day after every meal. I also clean the aligners. I will attach good pictures. Thank you.



Welcome to

I have seen the pictures you have attached along with the complaint (attachment removed to protect patient identity).

  • These are nothing but stains and calculus.
  • A layer of a chalk-like substance formed over the teeth surfaces especially on the back side of your lower teeth is the calculus. It is prone to get stained by various food substances and sometimes turn yellow to green.
  • The brown colored areas which you are concerned about at the moment are just external stains and occur due to drinking coffee or tea regularly or even because of smoking.
  • These are not because of the Invisalign treatment but occur commonly with anyone.
  • The treatment is as simple as getting a professional cleaning done by your dentist. To maintain the clean teeth, you got to follow the oral hygiene instructions given by the dentist after then.

The Probable causes:

1. Coffee or tea stains.
2. Smoking.
3. Improper oral hygiene.

Probable diagnosis:

Generalized marginal gingivitis with external stains.

Treatment plan:

Scaling and oral hygiene instructions.

Preventive measures:

Inculcate the habit of brushing certain parts of the teeth surfaces in particular.

Regarding follow up:

Revert after six months to a dentist online.--->

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