HomeAnswersDentistrylumpI have a 3 to 4 mm, round, hard, and flat lump on the floor of the mouth. Is it a mandibular tori?

Does a 3 to 4 mm, round, hard, and flat lump on the floor of the mouth suggest mandibular tori?

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

Medically reviewed by

iCliniq medical review team

Published At June 30, 2022
Reviewed AtJanuary 8, 2024

Patient's Query

Hi doctor,

For around six months, I have felt a small lump on the floor of my mouth. I would say that it is around 3 to 4 mm, round, hard, and flat. It is located where the floor of my mouth meets my teeth, and when I look in the mirror, it is not visible. I had braces for 4 to 5 years; my front bottom tooth was removed (the gap was closed by the braces). I have a permanent retainer after that. I know that mandibular tori can be caused by local trauma and stress, but I read that it normally occurs on both sides. Also, every picture I have seen of mandibular tori shows a much larger lump. Could I have a small mandibular tori on one side of my jaw, or do you think it is something else? Please help.

Hi,

Welcome to icliniq.com.

Upon review, these were the findings-

a) 3 to 4mm round, the hard and flat swelling floor of the mouth, lingual to lower anterior teeth.

b) Gap closure with braces after lower anterior tooth extraction (single tooth) and stress.

Due to single tooth extraction and braces treatment to close the gap, stress, and other factors, some amount of osseous (bony) tissue could overgrow; certainly, an abnormal healing process could have happened. Another reason could be the growth of inflammatory tissue around the lingual permanent retainer.

Provisional diagnosis - Osseous overgrowth in the single tooth extraction region due to pressure from braces treatment.

Differential diagnosis - Mandibular torus, Granulomatous lesion.

Diagnostic tests - X-ray of the affected region.

Treatment advises - Follow-up with X-ray.

Regards.

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

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Dr. Bhargav Reddy Gutha

Orthodontist

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