New mandibular indices in cone beam computed tomography to identify low bone mineral density in postmenopausal women

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dc.creatorSâmila Gonçalves Barra
dc.creatorIsadora Pereira Gomes
dc.creatorTânia Mara Pimenta Amaral
dc.creatorCláudia Borges Brasileiro
dc.creatorLucas Guimarães Abreu
dc.creatorRicardo Alves Mesquita
dc.date.accessioned2023-08-20T11:23:23Z
dc.date.accessioned2025-09-09T01:20:34Z
dc.date.available2023-08-20T11:23:23Z
dc.date.issued2021-03
dc.identifier.doihttps://doi.org/10.1016/j.oooo.2020.07.016
dc.identifier.issn22124403
dc.identifier.urihttps://hdl.handle.net/1843/57962
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofOral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
dc.rightsAcesso Restrito
dc.subjectCone-beam computed tomography
dc.subjectBone density
dc.subjectX-rays
dc.subjectBone diseases, metabolic
dc.subjectOsteoporosis
dc.subjectCortical bone
dc.subjectMandible
dc.titleNew mandibular indices in cone beam computed tomography to identify low bone mineral density in postmenopausal women
dc.typeArtigo de periódico
local.citation.epage9
local.citation.issue03
local.citation.spage1
local.citation.volume131
local.description.resumoObjective: The aim of this study was to evaluate new radiomorphometric indices in cone beam computed tomography (CBCT) for assessing bone mineral density (BMD) status in postmenopausal women. Study design: Mandibular inferior cortical bone thickness was evaluated in 48 postmenopausal women in cross-sectional images at 4 sites: (1) symphysis (S): cross-sectional image equidistant from the centers of the right and left mental foramina (MF); (2) anterior (A): 10 mm anterior to the MF; (3) molar (M): 10 mm posterior to the MF; and (4) posterior (P): 25 mm posterior to the MF. Participants underwent dual-energy x-ray absorptiometry and were divided into normal, osteopenia, and osteoporosis groups. In the study, t tests with Bonferroni correction were conducted. Statistical significance was set at P < .017. Receiver operator characteristic (ROC) analyses were performed. Results: Mean S index was significantly lower in osteoporosis than in osteopenia (P = .005). Mean M index was significantly lower in osteopenia (P < .001) and osteoporosis (P = .001) than in normal individuals. Mean P index was significantly lower in osteoporosis than in normal patients (P = .008). ROC values ranged between 0.643 and 0.740. Cortical thicknesses separating normal from abnormal varied from 1.73 mm to 3.37 mm. Conclusions: M and P indices in CBCT may be useful for identifying low BMD in postmenopausal women.
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE CLÍNICA
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOPEDIATRIA E ORTODONTIA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/abs/pii/S2212440320311214#:~:text=Mean%20M%20index%20was%20significantly%20lower%20in%20osteopenia,abnormal%20varied%20from%201.73%20mm%20to%203.37%20mm.

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