Hi, it is normal, nothing to worry about it. But kindly visit a nearby dental clinic for complete teeth cleaning and polishing as you have stains on your teeth. But nothing to worry about it you may get red of it by scaling and polishing which helps maintain a good oral hygiene.
Next Steps
You can Visit us at Dental Galaxy Pune for any guidance or treatment. http://g.page/DentalGalaxy
Health Tips
1.Brush your teeth twice. 2. Quit tobacco/bettlenut chewing habit if any. 3. visit dental clinic every 6 months to keep a track of healthy oral hygiene.