There are many reasons for red and swollen gums, such as physical irritation, gingivitis, apical periodontitis, endodontitis, and wisdom tooth pericoronitis.
1. Physical stimulation: for example, taking stimulating spicy food, or too hot, too hard ingredients, may stimulate the gums caused by redness and swelling of the gums.
2. Gingivitis: not paying attention to oral hygiene, plaque, calculus, food debris and other stimuli, resulting in gingivitis, may also lead to redness and swelling of the gums.
3. Periapical periodontitis: Inflammatory changes in the apical part of the tooth and the adjacent alveolar bone and other tissues can also lead to redness and swelling of the gums.
4. Pulpitis: mainly due to bacterial or other chemical bacteria as well as physical factors stimulation, causing damage, stimulation of the pulp caused by inflammatory reaction, will cause different degrees of pain, can also cause redness and swelling of the gums.
5. Wisdom teeth pericoronitis: wisdom teeth in the growth and eruption process caused by the crown of the tooth and the surrounding tissue inflammatory reaction can also cause redness and swelling of the gums.
There may be other reasons for red and swollen gums, and you need to go to the hospital in time for examination to clarify the cause.