Num. Author/year Patients Gender Age Location Titanium implant type Follow-up Post op complication 1 1998/E. Heissler [16 ] 15 12 male/3 female 21-35 years Not mentioned Solid Mean 16.6 months 1 infection, 1 convulsion upon drainage removal 2 1999/J.JOFFE [17 ] 141 Not mentioned 6-67 years Not mentioned Solid 6 weeks to 1 year 1 failure 3 2009/Mario Cabraja [13 ] 26 Not mentioned 35.6 16 (frontotemporoparietal), 4(bifrontal), 3(frontal), 2(temporal), 1(frontoparietal) Solid Median 8.1 years A transient palsy of the frontal ramus of the facial nerve postoperatively just in 1 case 4 2010/Jules Poukens [18 ] 1 Not mentioned Not mentioned Unilateral frontotemporoparietal Solid NM No 5 2011/H. Sudhoff [9 ] 1 Male 48 Unilateral parietal, sphenoid, frontal, orbital rim, ethmoid, maxillary, zygomatic, nasal bones Solid 1 week No 6 2011/Juan Felipe Isaza Saldarriaga [15 ] 1 Male 13 Unilateral frontoparietal area Solid 4 months No 7 2014/S.A. Eolchiyan [19 ] 4 Female 24 Left fronto-orbital region Solid Mean 4.4 years No Male 44 Right parietal-temporal region Solid Mean 4.4 years No Female 23 Left fronto-orbital region Solid Mean 4.4 years No Female 23 Both side frontal region Solid Mean 4.4 years No 8 2015/Hyung Rok Cho [10 ] 3 Female 41 Left parieto-occipital area extended to right parietal area Porous 6 months No Female 32 Right frontotemporoparietal area Porous 6 months No Female 21 Left parietotemporal area Porous 2 months No 9 2018/Jae Yoon Kim [20 ] 1 Male 36 Unilateral forehead and glabella area Solid 6 months No 10 2019/Seong Hwan Kim [21 ] 2 Male 55 Right parietotemporal area Solid 1 year No Male 33 Right temporal area Solid NM No 11 2019/Champeaux C [22 ] 19 12 male/7 female 6: right side, 9: frontal side, 4: left side Solid Mean 1.2 year 31.6%: early postoperative complications, 1 lost to follow-up, 1 prosthesis removal, 63.1% no complication
