The swelling and pain inside the tooth may be caused by pericoronitis of the wisdom tooth or abnormalities of the teeth in the opposite jaw, which can be dealt with by rinsing at regular intervals, oral antibiotics and anti-inflammatory medication, and the tooth needs to be extracted if necessary.
Swelling and pain inside the tooth is usually considered wisdom teeth eruption, due to the special location of the growth of wisdom teeth, it is easy to form a blind pocket in the local gingiva, food debris is deposited here, and not easy to be removed, resulting in local inflammation.
Generally, local rinsing is needed to remove the debris, and oral anti-inflammatory drugs, such as cephalosporin and metronidazole, can be taken for severe pain; wisdom teeth need to be extracted if necessary.
In addition, there are abnormalities of the opposite jaw teeth, such as the opposite jaw teeth are more oblique or elongated, there is a possibility of biting into the inner gums, causing ulcers or trauma, resulting in pain. This usually requires the tooth to be removed or ground shorter in order to avoid further damage.
In conclusion, the presence of swollen and painful flesh inside the tooth should be treated in a timely manner under the guidance of a doctor.