Gingival swelling and pain resulting in limited mouth opening requires local treatment and systemic antibiotic therapy.
1. Local treatment: Swelling caused by periapical periodontitis requires pulpal drainage to establish a drainage channel from the tooth to help discharge pus. Swelling caused by periapical periodontitis can be rinsed locally to reduce the stimulation of food debris, and iodide can be placed in the periapical area to promote the absorption of inflammation, and local abscess incision and drainage can be carried out if necessary.
2. Systemic application of antibiotics: severe gingival swelling and pain, limited mouth opening, or accompanied by generalized low fever and other symptoms, the need for systemic application of antibiotics, such as cephalosporin, metronidazole and other drugs, cephalosporin is a broad-spectrum antibiotic that can fight against most of the bacterial infections in the oral cavity, and metronidazole is mainly to fight against anaerobic infections in the mouth.
Swollen and painful gums, limited mouth opening, must promptly seek medical attention, under the guidance of the doctor for examination and treatment and medication, to avoid blind use of medication, so as to avoid adverse consequences.