Comparison of 2 distalization systems supported by intraosseous screws

Basit Öğe Kaydı
dc.contributor.authorGelgör, İbrahim Erhan
dc.contributor.authorKaraman, Ali İhya
dc.contributor.authorBüyükyılmaz, Tamer
dc.date.accessioned2020-06-25T17:43:58Z
dc.date.available2020-06-25T17:43:58Z
dc.date.issued2007
dc.descriptionGelgor, I. Erhan/0000-0003-0859-9874
dc.description.abstractIntroduction: The aim of this study was to compare the effects of 2 distalization systems supported by intraosseous screws for maxillary molar distalization. Methods: Forty subjects with skeletal Class I dental Class II malocclusion were divided into group 1 (8 girls, 12 boys) and group 2 (11 girls, 9 boys). An anchorage unit was prepared by placing an intraosseous screw in the premaxillary area of each subject. To increase the anchorage in group 2, we used an acrylic plate resembling the Nance button around the screw. The screws were placed and immediately loaded to distalize the maxillary first molars or second molars when they were present. Skeletal and dental changes were measured on cephalograms, and dental casts were obtained before and after distalization. Results: The average distalization times were 4.6 months for group 1 and 5.4 months for group 2. On the cephalograms, the maxillary first molars were tipped 9.05 degrees in group 1 and 0.75 degrees in group 2. The mean distal movements were 3.95 mm in group 1 and 3.88 mm in group 2. On the dental casts, the mean distalization amounts were 4.85 mm for group 1 and 3.70 mm for group 2. In group 1, the maxillary molars were rotated distopalatally to a moderate degree, but this was not significant in group 2. Mild protrusion of the maxillary central incisors was also recorded for group 1 but not for group 2. However, there were no changes in overjet, overbite, and mandibular plane angle measurements for either group. Conclusions: Immediately loaded intraosseous screw-supported anchorage units were successful for molar distalization in both groups. In group 2, side effects such as molar tipping and rotation were smaller, but distalization times were longer and hygiene was poorer.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.ajodo.2006.03.027
dc.identifier.issn0889-5406
dc.identifier.issn1097-6752
dc.identifier.issue2en_US
dc.identifier.pmid17276855
dc.identifier.scopus2-s2.0-33846641337
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org10.1016/j.ajodo.2006.03.027
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3969
dc.identifier.volume131en_US
dc.identifier.wosWOS:000244235200023
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMosby-Elsevieren_US
dc.relation.ispartofAmerican Journal Of Orthodontics And Dentofacial Orthopedics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleComparison of 2 distalization systems supported by intraosseous screwsen_US
dc.typeArticle

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