Exostoses; Hard Bony Lumps under your gums


The bony lumps in the gums above and below the teeth are the exostoses.  It is theorized that these form in response to a long standing bruxing (grinding and clenching) habit as a way to fortify the bone that supports the teeth.  When a dentist sees these, he knows he is in for a difficult job if he has to extract these teeth.  After the teeth are removed, these bony bumps remain and present a problem for denture wearers.

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