Hi sir...
Swollen gums indicates the clinical condition called gingivitis
Accumulation of plaque and calculus weakens the teeth n causes gum disease
Hard brushing technique leads to recession (reducing gums)improper brushing
Scaling (teeth cleaning) and curettage(deep scaling)can be done
Clinic examinations is Also essential
Next Steps
kindly visit dentist for futhur management
Health Tips
do floss everyday
do brush twice n use mouth washes
drink plenty of water