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Occlusal plane rotation and orthodontic decompensation: influence on the outcome of surgical correction of class III malocclusion Rotation der Okklusionsebene und kieferorthopädische Dekompensation: Einfluss auf das Ergebnis der chirurgischen Korrektur einer Klasse-III-Malokklusion

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dc.contributor.authorŞEKER, Elif Dilara
dc.contributor.authorSUNAL AKTÜRK, EZGİ
dc.contributor.authorYILMAZ, HANİFE NURAY
dc.contributor.authorKucukkeles, Nazan
dc.contributor.institutionauthorŞEKER, ELIF DILARA
dc.contributor.institutionauthorSUNAL AKTÜRK, EZGİ
dc.date.accessioned2022-03-11T20:59:13Z
dc.date.available2022-03-11T20:59:13Z
dc.date.issued2022-01-01T00:00:00Z
dc.description.abstract© 2022, Springer Medizin Verlag GmbH, ein Teil von Springer Nature.Purpose: The aim of this retrospective multicenter study is to evaluate the influence of surgical manipulation of the upper occlusal plane (UOP) and orthodontic decompensation on the outcome of class III orthognathic surgery. Methods: Incisor inclinations, occlusal plane inclination as well as skeletal and soft tissue changes were assessed in lateral cephalograms of 85 class III patients who had previously undergone orthognathic surgery. Fourteen linear and eight angular measurements were performed on each radiograph at the beginning of treatment (T0), before surgery (T1) and at the end of treatment (T2) using imaging software. After measurement of variables, Mann–Whitney U‑test, repeated-measures analysis of variance (ANOVA) with Bonferroni multiple comparison test, and Spearman’s correlation analysis were performed. Results: A statistically significant improvement was observed in both sagittal skeletal and soft tissue measurements (p < 0.05). Surgical change in UOP was significantly correlated with changes in overbite, upper lip strain and soft tissue B‑point change in the sagittal direction (p < 0.05). Overjet change was significantly correlated with changes in the soft tissue and all sagittal skeletal parameters except for SNA. Changes in the incisor inclinations was significantly correlated with changes in the sagittal skeletal parameters and lower facial height. Significant differences were also observed between the groups with induced clockwise or counterclockwise rotation of the mandible in terms of IMPA (long axis of LI to mandibular plane), overbite, upper lip strain and position of soft tissue B‑point (p < 0.05). Conclusion: Sufficient dental decompensation is crucial for controlling the sagittal as well as the vertical relationship during surgery. Counterclockwise rotation provides an increase in sagittal projection of the mandibular body at the soft tissue B‑point.
dc.identifier.citationŞEKER E. D. , SUNAL AKTÜRK E., YILMAZ H. N. , Kucukkeles N., -Occlusal plane rotation and orthodontic decompensation: influence on the outcome of surgical correction of class III malocclusion Rotation der Okklusionsebene und kieferorthopädische Dekompensation: Einfluss auf das Ergebnis der chirurgischen Korrektur einer Klasse-III-Malokklusion-, Journal of Orofacial Orthopedics, 2022
dc.identifier.doi10.1007/s00056-022-00379-6
dc.identifier.pubmed35244727
dc.identifier.scopus85125578080
dc.identifier.urihttp://hdl.handle.net/20.500.12645/30437
dc.titleOcclusal plane rotation and orthodontic decompensation: influence on the outcome of surgical correction of class III malocclusion Rotation der Okklusionsebene und kieferorthopädische Dekompensation: Einfluss auf das Ergebnis der chirurgischen Korrektur einer Klasse-III-Malokklusion
dc.typeArticle
dspace.entity.typePublication
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local.publication.isinternational1
relation.isAuthorOfPublication13c77e46-9b0c-4ad4-ae8d-ec8014056a85
relation.isAuthorOfPublication252067d2-c6f1-4c43-a22a-97b7c57bba12
relation.isAuthorOfPublication.latestForDiscovery13c77e46-9b0c-4ad4-ae8d-ec8014056a85
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