Q. Can bad breath be caused due to tooth filling or braces?

Answered by
Dr. Rakshana Devi
and medically reviewed by Dr. Preetha J
This is a premium question & answer published on Nov 14, 2021 and last reviewed on: Nov 17, 2021

Hello doctor,

I had a tooth filling before putting on some braces, but the tooth keeps hurting four months after the filling, and my breath smells bad as before the decay to the point that my pillows also smells bad now.



Welcome to

Good evening sir. I hope you are well. Thank you for approaching icliniq. I saw your query. I will help you to solve the issue. Bad breaths may be due to dental caries, and fillings can be done with dental braces. So do not worry. Take an orthopantomogram and check if any secondary caries have developed. Thank you, follow up with further details.

Thank you doctor for your reply.

I will see another dentist and follow up with you.




Welcome back to

  • Take salt water rinse.
  • Take mouth wash.
  • Use interdental brushes given for braces.
  • Take pain killers.

I will suggest the mild pain killers, after knowing your medical history.

  • Gargle after every meals.
  • Take proper diet.

Usually, braces itself will have food deposits and cause Halitosis (bad breath). Do not worry. The bad breath will get alright soon. These will give temporary relief. Follow up for further details.

The Probable causes:

Food deposits.

Investigations to be done:


Differential diagnosis:

Dental caries.

Probable diagnosis:

Secondary caries.

Treatment plan:


Preventive measures:

Gargling after meals.
Mouth wash.
Salt water rinse.
Interdental brushes.
Drink more water.
Have a healthy diet.

Regarding follow up:

Follow up, if you have any doubts.

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