The swelling beneath the tongue can be some cyst as it is not painful. For this you have to visit the dentist because without clinical examination it is difficult to diagnosis the lesion. It can be mucocele which is mucous gland cyst. So visit your dentist, he will do the clinical examination and find out the diagnosis and do the treatment accordingly. For more information on lesions of tongue you can visit the following link on our website on our website.
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