I have read on the net about the possibility of transmitting the bacteria
in people with periodonitis between spouses. My girlfriend has had the
disease for several years and has always had proper care. Now I was
wondering is there a possibility I could get this condition. My ...

For some reason, I had to repost this thread....
My original question:

After being diagnosed with gum disease I noticed something.
The quadrant of my mouth with the least problems is the one where
the wisdom tooth has been removed, 20 years ago.  That quadrant
seems to have the most space between teeth and the least pressure.

Did he use a membrane?
Have him check it.
It is not uncommon for some of the particular bone graft material to
come out as the socket heals. If you are still having pain or rather