Abstract
Cases with unfavorable postoperative courses after implantation at other medical facilities were treated at our department of oral surgery.
There was a total of 10 cases, eight with intraosseouse implants and two with subperiosteal implants, treated at our department from 1987 to 1993 because of an unfavorable postoperative course.
There were six males and four females with the average age of 61.3 years. After implantation, nine cases had osteitis around the implant, of which two were complicated with anterooral fistula. In the other cases, central carcinoma was detected in the implanted region. For most of them, the procedure was to remove the implants, but there were one case for which resection was performed because the site of the implant was affected by central carcinoma, one case for which fistel closure was done, and one case for which both sinusotomy and fistel closure were performed. The implant remains foreign to the organisms, and there are problems that have yet to be solved. Therefore, it is necessary for the operator to be prudent to evaluate the adaptability and respond to requests from the patient.
