{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T14:00:26Z","timestamp":1788962426753,"version":"build-2803163510"},"reference-count":20,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2024,8,22]],"date-time":"2024-08-22T00:00:00Z","timestamp":1724284800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"},{"start":{"date-parts":[[2024,8,22]],"date-time":"2024-08-22T00:00:00Z","timestamp":1724284800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Oral Health"],"DOI":"10.1186\/s12903-024-04761-1","type":"journal-article","created":{"date-parts":[[2024,8,23]],"date-time":"2024-08-23T06:31:45Z","timestamp":1724394705000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["A new classification for pterygomaxillary implants and its related surgical implications: a retrospective cohort study"],"prefix":"10.1186","volume":"24","author":[{"given":"Jie","family":"Ren","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ling","family":"Shu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,8,22]]},"reference":[{"key":"4761_CR1","first-page":"9","volume":"12","author":"LI Linkow","year":"1974","unstructured":"Linkow LI. The pterygoid extension implant for the totally and partially edentulous maxillae. Int J Orthod. 1974;12:9\u201319.","journal-title":"Int J Orthod"},{"key":"4761_CR2","first-page":"1547","volume":"27","author":"X Rodr\u00edguez","year":"2012","unstructured":"Rodr\u00edguez X, M\u00e9ndez V, Vela X, Segal\u00e0 M. Modified surgical protocol for placing implants in the pterygomaxillary region: clinical and radiologic study of 454 implants. Int J Oral Maxillofac Implants. 2012;27:1547\u201353.","journal-title":"Int J Oral Maxillofac Implants"},{"key":"4761_CR3","first-page":"512","volume":"14","author":"SL Graves","year":"1994","unstructured":"Graves SL. The pterygoid plate implant: a solution for restoring the posterior maxilla. Int J Periodontics Restorative Dent. 1994;14:512\u201323.","journal-title":"Int J Periodontics Restorative Dent"},{"key":"4761_CR4","doi-asserted-by":"publisher","first-page":"285","DOI":"10.1111\/jopr.13600","volume":"32","author":"AS Bidra","year":"2023","unstructured":"Bidra AS, Pe\u00f1a-Cardelles JF, Iverson M. Implants in the pterygoid region: an updated systematic review of modern roughened surface implants. J Prosthodont. 2023;32:285\u201391.","journal-title":"J Prosthodont"},{"key":"4761_CR5","doi-asserted-by":"publisher","first-page":"9","DOI":"10.1186\/s40729-023-00472-4","volume":"9","author":"Y Sun","year":"2023","unstructured":"Sun Y, Xu C, Wang N, Wu Y, Liu Y, Fan S, et al. Virtual pterygoid implant planning in maxillary atrophic patients: prosthetic-driven planning and evaluation. Int J Implant Dent. 2023;9:9.","journal-title":"Int J Implant Dent"},{"key":"4761_CR6","doi-asserted-by":"publisher","first-page":"229","DOI":"10.1016\/j.ijom.2014.08.005","volume":"44","author":"LF Lopes","year":"2015","unstructured":"Lopes LF, da Silva VF, Santiago JF Jr, Panzarini SR, Pellizzer EP. Placement of dental implants in the maxillary tuberosity: a systematic review. Int J Oral Maxillofac Surg. 2015;44:229\u201338.","journal-title":"Int J Oral Maxillofac Surg"},{"key":"4761_CR7","first-page":"89","volume":"10","author":"TJ Balshi","year":"1995","unstructured":"Balshi TJ, Lee HY, Hernandez RE. The use of pterygomaxillary implants in the partially edentulous patient: a preliminary report. Int J Oral Maxillofac Implants. 1995;10:89\u201398.","journal-title":"Int J Oral Maxillofac Implants"},{"key":"4761_CR8","first-page":"75","volume":"25","author":"A Rebaudi","year":"2010","unstructured":"Rebaudi A, Trisi P, Cella R, Cecchini G. Preoperative evaluation of bone quality and bone density using a novel CT\/microCT-based hard-normal-soft classification system. Int J Oral Maxillofac Implants. 2010;25:75\u201385.","journal-title":"Int J Oral Maxillofac Implants"},{"key":"4761_CR9","unstructured":"Choo SH, Glickman RS, Wiedemann TG. Graftless implantology as a forward-looking clinical concept for highly atrophic maxillary arches. Compend Contin Educ Dent. 2023;44:74\u20139; quiz 80."},{"key":"4761_CR10","doi-asserted-by":"publisher","first-page":"219.e1","DOI":"10.1016\/j.prosdent.2023.06.007","volume":"130","author":"VS Konstantinovi\u0107","year":"2023","unstructured":"Konstantinovi\u0107 VS, Abd-Ul-Salam H, Jelovac D, Ivanjac F, Mili\u010di\u0107 B. Pterygoid and tuberosity implants in the atrophic posterior maxilla: a retrospective cohort study. J Prosthet Dent. 2023;130:219.e1-219.e10.","journal-title":"J Prosthet Dent"},{"key":"4761_CR11","unstructured":"Reiser GM. Implant use in the tuberosity, pterygoid, and palatine region: Anatomic and surgical considerations. In: Nevins M, Mellonig JT, editors. Implant Therapy: Clinical Approaches and Evidence of Success. Vol. 2. Chicago: Quintessence; 1998. p. 197\u2013207."},{"key":"4761_CR12","unstructured":"Luis SS, de Barutell CA, Elena T. PARP: Diagnostic Prediction for the Choice of Clinical Strategies in the Pterygomaxillary Region. Revista: El dentista moderno n\u00ba 17; 2016. p. 52\u20139."},{"key":"4761_CR13","doi-asserted-by":"publisher","first-page":"105","DOI":"10.1111\/cid.12877","volume":"22","author":"WB Park","year":"2020","unstructured":"Park WB, Kim YJ, Kang KL, Lim HC, Han JY. Long-term outcomes of the implants accidentally protruding into nasal cavity extended to posterior maxilla due to inferior meatus pneumatization. Clin Implant Dent Relat Res. 2020;22:105\u201311.","journal-title":"Clin Implant Dent Relat Res"},{"key":"4761_CR14","doi-asserted-by":"publisher","first-page":"60","DOI":"10.4103\/jdi.jdi_24_19","volume":"9","author":"V Santosh","year":"2019","unstructured":"Santosh V, Bhukya P, Medisetty B, Rampalli V, Kumaar P. Outcomes of intentional perforation of the maxillary sinus floor during implant placement: a single-center, prospective study in 57 subjects. J Dent Implant. 2019;9:60\u20135.","journal-title":"J Dent Implant"},{"key":"4761_CR15","doi-asserted-by":"publisher","first-page":"6","DOI":"10.1186\/s40729-019-0157-7","volume":"5","author":"GM Ragucci","year":"2019","unstructured":"Ragucci GM, Elnayef B, Su\u00e1rez-L\u00f3pez Del Amo F, Wang HL, Hern\u00e1ndez-Alfaro F, Gargallo-Albiol J. Influence of exposing dental implants into the sinus cavity on survival and complications rate: a systematic review. Int J Implant Dent. 2019;5:6.","journal-title":"Int J Implant Dent"},{"key":"4761_CR16","doi-asserted-by":"publisher","first-page":"151","DOI":"10.1007\/s10006-020-00829-8","volume":"24","author":"BE Beck-Broichsitter","year":"2020","unstructured":"Beck-Broichsitter BE, Gerle M, Wiltfang J, Becker ST. Perforation of the Schneiderian membrane during sinus floor elevation: a risk factor for long-term success of dental implants? Oral Maxillofac Surg. 2020;24:151\u20136.","journal-title":"Oral Maxillofac Surg"},{"key":"4761_CR17","doi-asserted-by":"publisher","first-page":"758","DOI":"10.1111\/cid.13038","volume":"23","author":"WB Park","year":"2021","unstructured":"Park WB, Herr Y, Chung JH, Shin SI, Han JY, Lim HC. Long-term effects of sinus membrane perforation on dental implants placed with transcrestal sinus floor elevation: a case-control study. Clin Implant Dent Relat Res. 2021;23:758\u201368.","journal-title":"Clin Implant Dent Relat Res"},{"key":"4761_CR18","doi-asserted-by":"publisher","first-page":"4637","DOI":"10.3390\/jcm11154637","volume":"11","author":"L Van Doorne","year":"2022","unstructured":"Van Doorne L, Hommez G, Bronkhorst E, Meijer G, De Bruyn H. Effect of sinus perforation with flaplessly placed mini dental implants for oral rehabilitation: a 5-year clinical and radiological follow-up. J Clin Med. 2022;11:4637.","journal-title":"J Clin Med"},{"key":"4761_CR19","first-page":"273","volume":"6","author":"P Mal\u00f3","year":"2013","unstructured":"Mal\u00f3 P, Nobre MD, Lopes A. Immediate loading of \u2018All-on-4\u2019 maxillary prostheses using trans-sinus tilted implants without sinus bone grafting: a retrospective study reporting the 3-year outcome. Eur J Oral Implantol. 2013;6:273\u201383.","journal-title":"Eur J Oral Implantol"},{"key":"4761_CR20","doi-asserted-by":"publisher","first-page":"2033","DOI":"10.1016\/j.joms.2007.05.013","volume":"65","author":"KE Kahnberg","year":"2007","unstructured":"Kahnberg KE, Henry PJ, Hirsch JM, Ohrnell LO, Andreasson L, Br\u00e5nemark PI, et al. Clinical evaluation of the zygoma implant: 3-year follow-up at 16 clinics. J Oral Maxillofac Surg. 2007;65:2033\u20138.","journal-title":"J Oral Maxillofac Surg"}],"container-title":["BMC Oral Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12903-024-04761-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s12903-024-04761-1\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12903-024-04761-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,8,23]],"date-time":"2024-08-23T06:33:41Z","timestamp":1724394821000},"score":1,"resource":{"primary":{"URL":"https:\/\/bmcoralhealth.biomedcentral.com\/articles\/10.1186\/s12903-024-04761-1"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,8,22]]},"references-count":20,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2024,12]]}},"alternative-id":["4761"],"URL":"https:\/\/doi.org\/10.1186\/s12903-024-04761-1","relation":{},"ISSN":["1472-6831"],"issn-type":[{"value":"1472-6831","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,8,22]]},"assertion":[{"value":"2 March 2024","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"16 August 2024","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"22 August 2024","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This study was performed in accordance with the principles of the Declaration of Helsinki and approved by the Regional Ethical Review Board of the First Affiliated Hospital of Chongqing Medical University. Informed consent was obtained from all individual participants included in the study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"All patients depicted in Figs.\u00a0\n                      \n                      \u2009\u2212\u20094 consented to the publication of their information in the article.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"972"}}