Kindly consult a dentist
in person for further suggestion. We need more investigations with clinical examination to decide upon treatment. You may need deep cleaning along with surgical curettage meals. Use pepsodent tooth paste & gum paint for 2 to 3 weeks. Advance procedures can be done with laser
. You may consult me in person. Advise investigation (OPG x-ray) with clinical examination for the treatment to check for bone loss & pockets.