Hi, Mr. Dhangar
Please consult your general physician to diagnose the cause of your chest pain and tightness.
As far as periodontitis is concerned, please consult a gum specialist or a periodontist at the earliest for an accurate diagnosis.
Next Steps
Considering your age, I would recommend you to consult a periodontist ASAP.
Health Tips
Until your chest pain and tightness issue is sorted out, please maintain a good oral hygiene. Periodontitis may result in tooth loss at an early age.