Hello thanks for consulting at hcm..
Wisdom tooth could be impacted resulting in swelling and pain..It also results in
lymph node enlargement, hence the bump on the inside..it could be
submandibular gland enlargement..
You also need iopa radiograph to check for type of
impaction and to c for extension of infection..
You also may need antibiotics and analgesics to control the pain and swelling like
augmentin 625 mg twice dialy, with divon plus twice daily, if you are not allergic to these medicines..
Kindly contact oral physician for a check up and treatment,,
Continue salt water gargling thrice daily,,,
Hope it helps,, take care,,