There has been growing interest in using high density porous polyethylene(Medpor○R) for reconstrctive facial bone surgery because of their perceived increased biocompatibility. The implant is a highly stable and somewhat flexible porous alloplast that has been shown to exhibit rapid tissue ingrowth into its pores.
 A total of 77 Medpor○R implants were placed in 65 patients over a one and half year period. Implants were used for orbital reconstruction, correction of craniofacial contour deformities, malar and chin area. Before operation, adequate photographic and radiologic examination was performed to carry out operation plan. Within 65 patients, 38 patients were due to acute trauma, 23 patients due to posttraumatic facial deformity, and 4 patients cosmetic. The result was satisfactory: 95.4% of the patients were improved after operation. One complication occurred due to previously existed sinusitis and it was cured by conservative treatment. 
 On the basis of our results, the Medpor○R implant is an excellent alternative to existing implant materials. They are easy to handle, shape, contour, position and fixate. If applied under adequate indications, the use of these implants will permit satisfactory results with little complications