抄録
In recent years, the utilization of biomaterials has increased and expanded in the dental and oral surgery fields. In many cases, good results could be gained. On the other hand, in a few cases, satisfactory results could not be gained. The implantation of biomaterials, particularly in maxilla, is very difficult and must be done carefully.
With a few examinations, we report here a case which had received utilization of biomaterials in maxilla and followed by paresthesia of right upper lip, right perimaxillary inflammation and right maxillary sinusitis.
