Thanks for the query
As per your words it seems you have multiple problems and the positive side is that you onow the reason and looking forward to quit that.
It's advice to visit Your dentist go for through check up and get the work done which is desired.
Good evening! You may have cavity or reduced layers of normal teeth. Brush your teeth with Oral-B UltraSoft Tooth Brush in circular motion without applying much pressure. If there is cavity kindly consult a dentist and get filled. Thank you.
It is normal to experience pain and discomfort after extraction of tooth. It should get normal within 3 to 4 days .if the pain persists then you can see your dentist again and show your problem. In the meantime you can repeat the medication prescribed by your dentist.