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Bumps Behind the Teeth or at the Bottom Under the Tongue

Posted on 2/15/2024 by Weo Admin
Young man with mouth openIt is alarming to notice any unusual growths or shapes in any part of the body. You might notice some bumps under the tongue or behind the bottom teeth. Here is what you should know about these unusual shapes and bumps.

What are the Potential Causes of Bumps Under the Tongue?

Normally, you should not be concerned about bumps under the tongue or behind the teeth, as they can be harmless. However, the presence of such bumps behind the teeth or under the tongue can be a cause for concern, especially depending on what potentially caused those bumps. Here are the possible causes of bumps under the tongue:

Canker Sores

If you notice any bumps under the tongue or behind the teeth, you could be dealing with canker sores, also known as aphthous ulcers. They are open lesions that develop in any part of the mouth, including under the tongue. The exact cause of canker sores is uncertain, and they appear suddenly. Fortunately, they are not contagious, and dentists sometimes consider them a type of response from your immune system.


Ranula could also cause bumps under the tongue or behind the teeth. Ranulas are oral mucous cysts that contain fluid, and they typically form near the salivary gland openings. These oral mucous cysts are soft in texture and can be identified by their color, which ranges from the typical mucous membrane color to dark blue. These bumps are also known to disappear immediately after they rupture.

Human Papillomavirus (HPV)

Human Papillomavirus could also be the cause of the bumps under your tongue. HPV causes lesions in the mucous membranes, which manifest as bumps beneath the tongue.

Mandibular Tori

You might also notice the growth of bumps under your tongue, which could be harmless growths of extra bone called tori. Tori are tiny bones covered by normal gum tissue, which explains why they are harmless.

Take Proactive Steps

There are different causes of bumps under the tongue or behind the teeth. Some of these bumps are harmless, and others need medical intervention. Visit our dentist for an oral checkup in case you have these bumps.

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4100 Factoria Blvd SE Suite C
Bellevue, WA 98006-1262

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