Hi, sorry you are having these issues.
For the lower minor swelling you can use warm salt water rinses: you can dissolve ½-teaspoon of salt in 8 ounces of water as hot as can be safely tolerated, and rinse vigorously for about 2 minutes at least every 2-3 hours. For your sensitive teeth you can try Sensodyne or Colgate's Durophat or check out this website: http://www.colgatesensitiveprorelief.com/EN/products/toothpaste
Other Colgate Products Related to Dentin
Colgate® Sensitive Toothpaste.
There are many options for low cost dentistry
and financing as well.
Here some resources that you can look into:
You may be able to get help from one of the following sources:
http://www.carecredit.com/ for financing options that would better fit your budget.
Other viable options to consider:
1. Dental schools:
Dental schools charge far less than private practice however it does take more time to complete.
2. Clinics (free and low cost) Discounted dental services and dental workshops that offer free or
4. Local dental society or :
They would be able to direct you to Foundations and Charitable outlets that may offer dental services.
5. Volunteer dentists and hygienists providing free care:
(###) ###-####Hope all this helps you locate some dental care which you do need to pursue in order to return your mouth to a healthy condition. If you need more information please ask. Thanks and good luck.