This is not a true abcess but a draining tract from the bottom of the gum pocket.
Abcess below large molar on lower jaw
Xray of abcess on molar of lower jaw
Abcess on molar with some evidence showing at gumline
Abcess from retained baby tooth, abcess is at tip of root.
This is what was left of the baby tooth from the previous picture, abcess destroyed root
Old photo, this dog had a broken jaw from the severe abcess, no jaw left!
This is not a true abcess but a draining tract from the bottom of the gum pocket.
Abcess below large molar on lower jaw