I guess Donna Riggsby had caps and fillings and Jane Doe had a chipped tooth (not sure how long she had had the chipped tooth) but no other obvious dental work and it looked like her teeth were well cared for.
http://www.missingkids.com/poster/NCMU/1102342/1#poster
I have no idea how to submit someone for a match. I did check and she is not on the exclusion list. Here's her thread:
http://www.websleuths.com/forums/showthread.php?271903-AL-Donna-Rae-Riggsby-20-Sylacauga-28-June-2003
Sorry if someone has posted this already but he said "she was very thin and had nice teeth"
http://www.holmescountyshopper.com/local%20news/2016/09/24/body-in-marion-linked-to-grate