What Is Causing Pain And Swelling In Jaw?

My son had his wisdom teeth out in January. He has had problems healing. He has been back to the dentist 3 to 4 times with swollen jaw, bone shards and just feeling sick. He has not been able to eat and keep food down most days.. He had to leave to weeks ago to go to Texas to work for the summer. He called and said he is again so sick with his left jaw swollen, gel like substance and not being able to keep food down again. I called and got him to an oral surgeon today and he said he believes he has bone disease in his jaw bone. His jaw has some holes appearing and he now needs to go to a physician. What type of physician do I get him in to. I didn't get to talk to the oral surgeon, but called to talk to him to find out who to send him to. He was supposed to call me back but did not. I feel desperate not knowing any doctors in Austin, Tx. What typ