First of all use a nice toothpaste, with soft bristle brush. Brush slowly, and after brushing wait for 10 minutes and use chlorhexidine mouthrinse, rinse your mouth for 1minute and spit and avoid eating food and drinking water for 30mins.
Next Steps
visit periodontist, the periodontist are gum specialist and they will do thorough examination, iam a periodontist. so we check for the gum bleeding status and do a round of scaling. if the it's advance level of bleeding gum with bad breath and receding gums, food lodgement then it has proceeded from Gingivitis to periodontitis. and care should be taken as early as possible to avoid loosened teeth and avoid tooth loss