Swollen gums or gingivitis could have many factors associated. Local factors like plaque accumulation or faulty tooth brushing might have triggered this. General factors like an underlying health issue or medications also can lead to this. To get rid of this, professional deep scaling and polishing and a good chlorhexidine mouth wash twice a day would keep the swelling at bay.
Next Steps
Professional scaling and polishing advised.
Health Tips
Visit your dentist once in 6 months for regular preventive therapy.