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HomeAnswersDentistrydental flossCan I use one year old dental floss for cleaning my teeth?

Is it possible to use one year old floss to clean teeth?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Bharat Joshi

Medically reviewed by

iCliniq medical review team

Published At June 14, 2022
Reviewed AtAugust 17, 2023

Patient's Query


I went to a dentist one year back for scaling, and I was suggested to use dental floss. So I tried using it for a week and then discontinued it. Now I have tooth sensitivity (whole mouth and all teeth) while eating icecreams and hot drinks, so I think of using dental floss regularly as suggested by the dentist before. But I need to know, can I use the dental floss which I purchased one year back, or would that have expired? What are the other ways you can help me?

Answered by Dr. Bharat Joshi


Welcome to icliniq.com.

I understand your concern.

Old dental floss can be used, but it depends on the embrasures or contacts between your teeth.

I request you share a clinical picture of either front or back teeth.

Dental floss does not cause any sensitivity unless some overzealous working is done.

Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Bharat Joshi
Dr. Bharat Joshi


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