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Occlusal contact area changes with different retention protocols: 1-year follow-up

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dc.contributor.authorKara, Burcak
dc.contributor.authorYILMAZ, BERZA
dc.contributor.institutionauthorYILMAZ, BERZA
dc.date.accessioned2020-06-05T21:00:14Z
dc.date.available2020-06-05T21:00:14Z
dc.date.issued2020-04-01T00:00:00Z
dc.description.abstractIntroduction: The purpose of this study was to evaluate the occlusal contact area and cast-radiograph evaluation (CRE) score changes in patients with 3 different retention protocols after a 1-year retention period. Methods: A total of 90 patients with acceptable final occlusion according to American Board of Orthodontics CRE were equally divided into 3 groups according to the retention protocol: upper bonded retainer and lower Essix or bonded retainer (Essix group); upper bonded retainer and Hawley or lower bonded retainer (Hawley group); and upper bonded retainer and lower bonded retainer (bonded retainer group). Digital models were used to assess occlusal contact area changes after a 1-year retention period. The follow-up occlusion models were assessed with the American Board of Orthodontics CRE. Results: Occlusal contact areas increased significantly in the Hawley and bonded retainer groups for all teeth except incisors. The bonded retainer group showed the greatest amount of settling, but differences with the Hawley group were not statistically significant. However, statistically significant decreases in occlusal contact areas were recorded for the Essix group except for incisors. A decrease of CRE scores was seen in the Hawley group, whereas a statistically significant increase was recorded in the Essix group. Conclusions: Both Hawley and bonded retainers allowed settling of the occlusion during the retention phase, whereas the Essix retainer did not allow relative vertical movement of the posterior teeth. The Hawley group showed improvement in the total CRE score, whereas the Essix group showed worsening.
dc.identifier.citationKara B., YILMAZ B., -Occlusal contact area changes with different retention protocols: 1-year follow-up-, AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS, cilt.157, ss.533-541, 2020
dc.identifier.doi10.1016/j.ajodo.2019.05.020
dc.identifier.pubmed32241360
dc.identifier.scopus85082418195
dc.identifier.urihttps://hdl.handle.net/20.500.12645/18098
dc.identifier.wosWOS:000522631500019
dc.language.isoen
dc.titleOcclusal contact area changes with different retention protocols: 1-year follow-up
dc.typeArticle
dspace.entity.typePublication
local.avesis.ida6c074da-9b87-46f4-8018-90fd8fb6f32b
local.publication.isinternational1
relation.isAuthorOfPublicationf50b2ce3-0215-45d3-979d-9bda78638762
relation.isAuthorOfPublication.latestForDiscoveryf50b2ce3-0215-45d3-979d-9bda78638762
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