The root cause of ur problems is poor oral hygiene. You have to visit dentist and get teeth cleaning done and thorough checkup. Also learn correct brushing and flossing techniques from youtube video and follow.
Next Steps
If u r in Pune and looking for dental treatment contact\whatsapp us at 8@237720741, 8@999751605 or reach us directly at shop 14, gera park view, near EON IT PARK, Kharadi, Pune. We are multispeciality dental clinic serving patients from Kids to adults with team of Specialists.