Effects of estrogen deficiency on tooth movement after force application: an experimental study in ovariectomized rats

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dc.contributor.authorArslan, Seher Guenduez
dc.contributor.authorArslan, Hueseyin
dc.contributor.authorKetani, Aydin
dc.contributor.authorHamamci, Orhan
dc.date.accessioned2024-04-24T16:24:16Z
dc.date.available2024-04-24T16:24:16Z
dc.date.issued2007
dc.departmentDicle Üniversitesien_US
dc.description.abstractObjective. The aim of this study was to investigate the effects of estrogen deficiency on tooth movement in ovariectomized rats. Material and methods. Forty-two adult female Sprague-Dawley rats were assigned at random to one of the following groups: test group (n=20), ovariectomized rats (or estrogen-deficient rats); control group (n=22), non-ovariectomized rats. Two months after ovariectomy, expansion springs exerting 10 g of force were inserted between the upper central incisors in both groups. The amount of movement was measured daily until tooth movement began and then at intervals of 3 days. The rats were sacrificed 18 days after applying the expansion spring and histomorphometric analysis was performed along the left upper central incisor root towards the apex of the alveolar bone. Results. The amount and speed of movement was observed to be greater in ovariectomized rats. On histomorphometric analysis, osteoblast and osteocyte counts on the pressure side were higher in the non-ovariectomized group than in the ovariectomized group (p < 0.001). In contrast, the osteoclast count was significantly higher (p < 0.01) in the ovariectomized group than in the non-ovariectomized group. The osteoblast and osteocyte counts were significantly higher (p < 0.001) on tension side in the non-ovariectomized group than in the ovariectomized group. Conclusion. Estrogen deficiency increased orthodontic tooth movements but counts of osteoblasts, which are responsible for new bone formation, were lower in regions of tension and of pressure.en_US
dc.identifier.doi10.1080/00016350701678725
dc.identifier.endpage323en_US
dc.identifier.issn0001-6357
dc.identifier.issue6en_US
dc.identifier.pmid17917818
dc.identifier.scopus2-s2.0-37048999960
dc.identifier.scopusqualityQ2
dc.identifier.startpage319en_US
dc.identifier.urihttps://doi.org/10.1080/00016350701678725
dc.identifier.urihttps://hdl.handle.net/11468/16617
dc.identifier.volume65en_US
dc.identifier.wosWOS:000251547900002
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherTaylor & Francis Asen_US
dc.relation.ispartofActa Odontologica Scandinavica
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject[No Keyword]en_US
dc.titleEffects of estrogen deficiency on tooth movement after force application: an experimental study in ovariectomized ratsen_US
dc.titleEffects of estrogen deficiency on tooth movement after force application: an experimental study in ovariectomized rats
dc.typeArticleen_US

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