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|Title:||Achieved chin position after genioplasty follows the planned horizontal change better than the planned vertical change||Authors:||Agbaje, Jimoh Olubanwo
Salem, Ahmed S.
Adu, Kelvin Osei
|Issue Date:||2017||Publisher:||CHURCHILL LIVINGSTONE||Source:||JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY, 45(8), p. 1287-1292||Abstract:||Purpose: The soft-tissue pogonion closely follows changes of the bony pogonion, but it is unknown how often an augmented bony pogonion reaches the intended position. Here we assessed the agreement between planned surgical changes and achieved results in chin surgery. Materials and methods: Surgical treatment was planned based on clinical examination, cast model analysis, and cephalometric image analysis. The mobile chin segment was stabilized using one chin plate. Preoperative and postoperative cephalometric X-ray images were digitized, and cephalometric tracing was performed. We calculated and analyzed the changes between the preoperative and postoperative images as well as between planned genioplasty movements and actual surgical changes in the horizontal and vertical directions. Results: This study included 36 patients. In 34 patients, the absolute mean horizontal difference was less than 2 mm. We found a higher range of absolute error in vertical (0.00-5.60) compared to horizontal (0.01-3.64) movement. There was no significant difference between the mean planned chin movement and the mean achieved position with regard to the horizontal and vertical movement (p = 0.97 and 0.79, respectively). Conclusions: The mean values for linear difference in both the horizontal and vertical directions were in line with the acceptable mean of <= 2 mm proposed in the literature. (C) 2017 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.||Notes:||[Agbaje, Jimoh Olubanwo; Sun, Yi; Salem, Ahmed S.; Politis, Constantinus] Katholieke Univ Leuven, Fac Med, Dept Imaging & Pathol, OMFS IMPATH Res Grp, Kapucijnenvoer 33, B-3000 Louvain, Belgium. [Salem, Ahmed S.] Mansoura Univ, Fac Dent, Oral & Maxillofacial Surg Dept, Mansoura, Egypt. [Li, Zhaokai] Cent S Univ, Xiangya Sch Med, Changsha, Hunan, Peoples R China. [Adu, Kelvin Osei] Kwame Nkrumah Univ Sci & Technol, Private Mail Bag Univ PO KNUST, Kumasi, Ghana. [Politis, Constantinus] Hasselt Univ, Fac Med, Diepenbeek, Belgium.||Keywords:||Chin; Genioplasty; BSSO; Surgical planning; Postoperative result; Orthognathic surgery;chin; genioplasty; BSSO; surgical planning; postoperative result; orthognathic surgery||Document URI:||http://hdl.handle.net/1942/24403||ISSN:||1010-5182||e-ISSN:||1878-4119||DOI:||10.1016/j.jcms.2017.05.030||ISI #:||000406756400028||Rights:||© 2017 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.||Category:||A1||Type:||Journal Contribution||Validations:||ecoom 2018|
|Appears in Collections:||Research publications|
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