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Mommymonster asked in HealthDental · 1 decade ago

I have a blister on my back gum, sore lymph node, and it hurts to swallow BUT...?

I had a pulpectomy AND a root canal done on that back tooth two months ago. What the heck is going on?

1 Answer

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  • 1 decade ago
    Favorite Answer

    maybe an infection due to the root canal

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