The effect of zigzag elastics in the treatment of Class II division 1 malocclusion subjects with hypo- and hyperdivergent growth patterns. A pilot study

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dc.contributor.authorAras, A
dc.contributor.authorCinsar, A
dc.contributor.authorBulut, H
dc.date.accessioned2019-10-27T18:19:42Z
dc.date.available2019-10-27T18:19:42Z
dc.date.issued2001
dc.departmentEge Üniversitesien_US
dc.description.abstractThe aim of this study was to investigate the effect of zigzag elastics in the treatment of Class II division 1 malocclusion subjects with hypo- or hyperdivergent growth patterns. Two groups were established, each consisting of 10 subjects classified as hypo-or hyperdivergent according to their pre-treatment SN-GoGn angle. The cephalometric radiographs taken before and after an elastic application period of approximately 4 months were used to generate 22 variables. In both groups, there were no statistically significant differences in the vertical position of the lower molars, the SN-GoGn angle or the inclination of the lower incisors, whereas the sagittal skeletal relationship was improved as a result of an increase in the SNB angle and the mandibular length (P < 0.01). Upper incisor extrusion was statistically significant in both groups (P < 0.05). The downward rotation of the occlusal plane and the increase in overbite were found to be significant in the hypodivergent group (P < 0.05). Significant differences were observed between the groups in the extrusion of the upper incisor, the inclination of the occlusal plane, and the amount of overbite (P < 0.05). The results show that the zigzag elastic system is preferable, especially in hyperdivergent Class II division 1 subjects, as the use of such elastics does not cause an unfavourable effect on vertical jaw base relationship.en_US
dc.identifier.doi10.1093/ejo/23.4.393en_US
dc.identifier.endpage402en_US
dc.identifier.issn0141-5387
dc.identifier.issue4en_US
dc.identifier.pmid11544789en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage393en_US
dc.identifier.urihttps://doi.org/10.1093/ejo/23.4.393
dc.identifier.urihttps://hdl.handle.net/11454/35712
dc.identifier.volume23en_US
dc.identifier.wosWOS:000170523900008en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherOxford Univ Pressen_US
dc.relation.ispartofEuropean Journal of Orthodonticsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleThe effect of zigzag elastics in the treatment of Class II division 1 malocclusion subjects with hypo- and hyperdivergent growth patterns. A pilot studyen_US
dc.typeArticleen_US

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