en تخصصي Special مروری Review Article <span style="font-size:11pt"><span style="line-height:150%"><span calibri="" style="font-family:"><b><span style="font-size:12.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">Backgrounds:</span></span></span></b><span style="font-size:12.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times=""> Dental implants are often utilized to replace missing teeth in the maxillary posterior region. Following tooth extraction, bone grafting, and implant placement are carried out in stages. However, in medical procedures errors are inevitable; therefore, measures should be taken to address and reduce these errors in future treatments. </span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:150%"><span calibri="" style="font-family:"><b><span style="font-size:12.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">Methods:</span></span></span></b><span style="font-size:12.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times=""> Implants displaced inside the maxillary sinus were reviewed to identify the best techniques for retrieving them. We conducted a comprehensive search in Scopus, PubMed, and Web of Science databases from January 2000 to January 2023. Inclusion criteria were original studies including original cohorts, case-controls, and clinical trials that evaluated methods of retrieving displaced maxillary implants. </span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:150%"><span calibri="" style="font-family:"><b><span style="font-size:12.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">Results:</span></span></span></b><span style="font-size:12.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times=""> Overall, 258 publications were identified. After elimination of duplicates and those not meeting the inclusion criteria, full texts of 24 articles were reviewed. Of the 120 displaced implants, 57 were dislocated during surgery. The most common complication following implant displacement is maxillary sinusitis, which typically manifests a year post-op.</span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:150%"><span calibri="" style="font-family:"><b><span style="font-size:12.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">Conclusion:</span></span></span></b><span style="font-size:12.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times=""> Displacement of implants in the maxillary sinus is a common occurrence caused by a variety of factors. Implant displacement could lead to complications in the maxillary sinuses, paranasal sinuses, and other adjacent anatomical spaces and structures.</span></span></span></span></span></span><br> &nbsp; Dental implant, dental implant displacement, Implant failure, Maxillary sinus, Treatment outcome 9 15 http://wjps.ir/browse.php?a_code=A-10-1097-6&slc_lang=en&sid=1 Nima Dehghani nimadt2002@gmail.com 100319475328460017494 100319475328460017494 Yes 1. Department of Oral and Maxillofacial Surgery, Tehran University of Medical Sciences, Tehran, Iran Mohadeseh Azarsina 100319475328460017495 100319475328460017495 No 2. Department of Esthetic and Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran Xaniar Mahmoudi 100319475328460017496 100319475328460017496 No 3. Department of Oral and Maxillofacial Surgery, School of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran Mona Mohajeri Tehrani 100319475328460017497 100319475328460017497 No 4. Craniomaxillofacial Research Center, Tehran University of Medical Sciences, Tehran, Iran Shamim Chinian 100319475328460017498 100319475328460017498 No 5. Tehran University of Medical Sciences, Tehran, Iran