Post operative pain post traumatic extraction is common and lasts for 10-14 days post the procedure. It will eventually subside. Do warm saline water rinses.
Improper flossing can sometimes cause teeth sensitivity due to gingival trauma. It is better hence to almost use a waxed floss and use it with the utmost care. An anti sensitivity toothpaste for 2 weeks twice daily will resolve the issue. In case it does not, visit your dentist for physical evaluation.
Next Steps
Apply the anti sensitivity toothpaste for 2 minutes all over the teeth surfaces and brush off with an ultrasoft bristled toothbrush.Do warm saline water gargles 2-3 times daily.