{"id":94,"date":"2016-07-20T07:53:41","date_gmt":"2016-07-20T07:53:41","guid":{"rendered":"http:\/\/www.ticareimplants.es\/wp\/en\/?post_type=estudios-medicos&#038;p=94"},"modified":"2017-05-11T09:42:11","modified_gmt":"2017-05-11T07:42:11","slug":"zygomatic-distraction-osteogenesis","status":"publish","type":"estudios-medicos","link":"https:\/\/www.ticareimplants.com\/en\/medical-publications\/zygomatic-distraction-osteogenesis\/","title":{"rendered":"Zygomatic distraction osteogenesis for correction of midfacial support after hemimaxillectomy: experience and technical considerations"},"content":{"rendered":"<div class=\"page\" title=\"Page 27\">\n<div class=\"section\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<h3>OBJECTIVE<\/h3>\n<p>The maxilla is the functional and esthetic keystone of the midface, and large maxillary defects remain a challenge for reconstructive surgery. Different regional and microvascularized flaps have been used to restore the hemimaxilla. Distraction osteogenesis offers an alternative to complex flaps, with less donor-site morbidity. This method is also preferable as a secondary reconstruction in cases of serious bone defects where other flaps have failed.<\/p>\n<h3>MATERIALS Y METHODS<\/h3>\n<p>Four patients with maxillary defects after oncologic ablation presented at a mean follow-up period of 36 months (standard deviation, 18 mo). In these patients, transport distraction osteogenesis of the zygoma was used to restore the bony support of the low maxilla.<\/p>\n<h3>RESULTS<\/h3>\n<p>After a latency period of 15 days, distraction began at a rate of 0.5 mm\/day. A 2-step distraction, by changing the direction of the zygomatic device, was carried out in 3 cases. After a consolidation period of 4 to 6 months for each distraction, the devices were removed and the bone edges were joined together with an autogenous bone graft (anterior iliac crest and calvaria). A good quality of bone was observed in the distracted gap, which allowed for postoperative dental implant placement and prosthetic rehabilitation.<\/p>\n<h3>CONCLUSION<\/h3>\n<p>In patients with large maxillary defects in which the remaining bone is insufficient and in pa- tients in whom other reconstructive methods have failed, zygomatic distraction is an excellent option to restore the low projection of the maxilla. Bone transport was found to be a stable reconstructive method that allowed for the restoration of function and esthetics in oncologic patients.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"parent":0,"template":"","medio-publicacion":[27],"tematica-publicacion":[],"class_list":["post-94","estudios-medicos","type-estudios-medicos","status-publish","hentry","medio-publicacion-journal-of-oral-maxillofacial-surgery"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Maxillofacial surgery based on zygomatic distraction osteogenesis<\/title>\n<meta name=\"description\" content=\"Maxillofacial surgery done on four patients based on zygomatic distraction osteogenesis for correction of midfacial support.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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