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Is a hole in my tooth near the gum line a serious problem?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

My bottom tooth has a kind of hole at the gum line. I do not know. When I breathe in, it feels cold like the air went down my throat. It just does not seem or feel normal. Also, on my upper front tooth, I have some kind of deep line. An example is when you make a line in the sand, and it flows into the line, but it still stays. It is hard to explain. Is there any way I can fix this without going to the dentist? And yes, I do brush my teeth daily.

Please help.

Thank you.

Hi,

Welcome to icliniq.com.

As per your history, you have a class 5 dental cavity in the lower tooth. You need to do a filling (restoration) of the tooth as soon as possible. If you do not take measures at this time, you may need RCT (root canal treatment), which will be 10 to 20 times more expensive and not as successful as filling. On your upper tooth, the line I understand is the gingival recession with abrasion.

If you are right-handed, it must be on the left side or the side you keep your teeth brushing continuously. For this, you only need to use an ultra-soft toothbrush and check the video for the modified Bass technique for tooth brushing. Also, brush your teeth twice daily and keep the brushing time to two to three minutes only.

I hope this helps.

Kindly revert in case of further queries.

Thank you.

Medically reviewed byiCliniq medical review team

Published At August 27, 2018
Reviewed AtJanuary 22, 2026

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