Hello mam ,
You need to visit a dentist to get cleaning of your teeth ( after every 6 months ) . Maintaining oral hygiene also contributes to have a healthy mouth and healthy life. And for discoloration of the gums you need to consult dentist .
Next Steps
visit a dentist near you and get cleaning done as soon as possible.
Health Tips
rinse your mouth daily with warm water and brush twice daily followed by tongue cleaning and mouthwash.