Unsealed decayed tooth is a great source of infection. It can cause different inflammation but the most dangerous is osteomyelitis of the jaw-bone ? it is inflammation of bone and bone marrow. In cause occurrence of the gingival hole through which flows the pus, improving general condition but the jaw bone continues its destruction. This illness causes numerous complications but the most serious is septicemia. Oral Surgeons in South Dakota treat this disease very successfully. Treatment of this disease involves the removal of all involved in the inflammatory process teeth, incision of periosteum to create an outflow of pus, and washing of the bone?s cavity with antimicrobial agents. Sometimes you may need surgical removal of areas of dead tissue and to do the plastic of the jaw bone.