Yes. Sometimes, a tooth cavity can cause ear pain. The pain and tenderness from tooth decay or a dental infection can surpass the tooth and cause radiating pain. The radiating pain can be a warning sign that the toothache is arising from a severe infection known as a dental abscess. It is an indication of the oral bacteria entering the tooth’s chamber or nerve and blood supply. The pain can be an occasional throb to a constant, dull ache to sharp, stabbing jolts that can be agonising.
How can dental caries cause earache?
A tooth abscess due to decay or a dental cavity can cause ear pain if not treated early. A dental abscess is the collection of pus due to a bacterial infection which can form in the gums or even the bone surrounding it. In fact, if an infection spreads from that region to anywhere in the face or neck, it can involve a nerve and further pain. Severe infection can even reach a distant part of the body. If the infected material reaches the bloodstream, it can cause severe health issues, including sepsis, which can even be fatal.
How can earache due to caries be differentiated from other causes?
It is necessary to consult your doctor or dentist to determine if the culprit behind the earache is a dental issue or not. There are specific symptoms that can differentiate earache due to a dental issue as opposed to another health issue. Usually, if it is a dental cavity issue, there would be a cavity or decayed tooth, swelling near the affected tooth, tender on percussion, bleeding gums (especially while brushing or flossing), etc., but if the earache is accompanied by loss of hearing, balance issue, cold-like symptoms, congestion, loss of appetite, it is most likely not due to a cavity.
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