Osteoporotic alterations in a group of different ethnicity Brazilian postmenopausal women: An observational study

Munhoz, Luciana; Aoki, Eduardo Massaharu; Cortes, Arthur Rodríguez González; Freitas, Cláudio Fróes de; Arita, Emiko Saito

doi:10.1111/ger.12322

Cited by 27 publications

(20 citation statements)

References 60 publications

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“…20,21 Maxillofacial area, specially mandible, is proven to be affected by the systemic BMD decrease. 22,23 In this study, a significant correlation was found between the cervical spine and the posterior region of the mandible, as well as a significant correlation between the anterior maxilla and the cervical spine.…”

Section: Discussionsupporting

confidence: 54%

Opportunistic screening for osteoporosis correlating the bone densities of jaws with multislice computed tomography for cervical vertebrae

et al. 2019

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| Objectives: to evaluate the correlation of the bone mineral density (BMD) from maxilla and mandible with that of the cervical vertebrae, using Hounsfield units (HU) and multislice computed tomography (CT) to verify whether CT could be a useful osteoporosis screening tool. Methods: 79 multislice CT examinations from patients who underwent CT examinations of maxilla, mandible and cervical vertebrae simultaneously were included. The following left and right anatomical regions were assessed: mandible ramus; mandible head; the area below the inferior first molar and the area below the upper cuspids. HU were measured in each area using a 0.1 cm region of interest (ROI) positioned in the center of the slice. Results: a significant correlation between the cervical spine and the posterior region of the mandible was found, as well as a significant correlation between the anterior maxilla and the cervical spine. However, no correlation was found between the cervical spine and other parts of the mandible, such as ramus and head of mandible. Conclusions: As anterior maxillary bone and posterior mandible bone HU values correlate with cervical bone HU values, this examination may be applied as osteoporosis screening tool. DESCRIPTORS | Osteoporosis; Computed tomography; Hounsfield Unit; Bone Mineral Density.RESUMO | Utilização exames de tomografia computadorizada da maxila e mandíbula e sua correlação com as vértebras cervicais objetivando o rastreamento de pacientes com risco de osteoporose • Objetivos: avaliar a correlação da densidade mineral óssea (DMO) da maxila e mandíbula com as vértebras cervicais, utilizando unidades de Hounsfield (HU), utilizando tomografia computadorizada (TC) multislice, para verificar se a TC pode ser útil como ferramenta de rastreamento da osteoporose. Métodos: 79 exames de tomografia computadorizada multislice de pacientes que foram submetidos a CTs de maxila, mandíbula e vértebras cervicais simultaneamente foram incluídos. As seguintes regiões anatômicas esquerda e direita foram avaliadas: ramo da mandíbula; cabeça mandibular; a área abaixo do primeiro molar inferior e a área abaixo das cúspides superiores. HU foram medidos em cada área usando uma região de interesse (ROI) de 0.1cm posicionada no centro do corte tomográfico. Resultados: Foi encontrada uma correlação significativa entre a coluna cervical e a região posterior da mandíbula, bem como uma correlação significativa entre a região anterior da maxila e a coluna cervical. No entanto, nenhuma correlação foi encontrada entre a coluna cervical e outros locais da mandíbula, como o ramo mandibular e a cabeça. Conclusões: Como os valores de HU do osso anterior e posterior da mandíbula se correlacionam com os valores de HU do osso cervical, este exame pode ser aplicado a ferramentas de rastreio da osteoporose.

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Section: Discussionsupporting

confidence: 54%

Opportunistic screening for osteoporosis correlating the bone densities of jaws with multislice computed tomography for cervical vertebrae

et al. 2019

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“…Although DXA is the golden standard method to evaluate BMD, this examination is not widely available in many countries. In these countries, many imaging tools have been studies to substitute DXA, such as radiomorphometric indexes in panoramic radiographs [8] and the use of examinations performed with different purposes, as Multislice Computed Tomography (CT).…”

Section: O R I G I N a L A R T I C L Ementioning

confidence: 99%

Evaluation and Correlation between craniofacial bone densities and C1 and C2 cervical vertebrae using multislice computed tomography.

Morita

Silva²,

Munhoz³

et al. 2019

BDS

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Objectives: To evaluate the use of computed tomography (CT) as an osteoporosis screening tool, evaluating the relation between the bone mineral density (BMD) from maxilla and mandible with the cervical vertebrae, using the Hounsfield units (HU).Methods: It was included in this study a convenience sample of 118 multislice CT examinations from patients who underwent maxilla, mandible and cervical vertebrae (C1 and C2) simultaneously scans. For each patient, the following regions on both sides of head CT scans were assessed in sagittal slice: above maxillary central and lateral incisors apexes; maxillary tuberosity; mandible head; mandible body endosteum; mandible body trabeculae and vertebrae C1 and C2. HU were measured in each area using a 1.5 cm region of interest (ROI) positioned in the center of the slice.Results: It was verified that there is a correlation between the BMD of the C1 and C2 vertebrae and the anterior region of the maxilla. It was not found correlation between the vertebrae, C1 and C2,and the other structures analyzed.Conclusions: This study showed that this method can be a good screening tool to diagnosis ofosteoporosis, when evaluated the correlation between C1 and C2 vertebrae and anterior region of maxilla. More studies are necessary to evaluate the possibility of using CT as an osteoporosisscreening tool.

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“…The MCI was assessed by evaluating the appearance of the cortical bone at the mandibular endosteal margin on both sides of the mandible, from an anterior limit below the mental foramen to the posterior limit at the mandibular angle, using a previously described classification [10,12]. The mandibular endosteal margin was classified as follows: C1 = normal, when presenting sharp and marked continuous endosteal margin; C2 = moderately eroded, when presenting evidence of lacunar resorption or linear cortical residues; and C3 = severely eroded, when evident porosity was noticed or when presenting persistent and abundant linear bone gaps, reduced thickness, and loss of sharpness of the mandibular endosteal margin.…”

Section: Panoramic Radiographs and MCI Assessmentmentioning

confidence: 99%

“…It is widely used in dental practice and offers excellent visibility of facial anatomical structures. Several studies have applied this examination in assessing mandibular low BMD by analyzing the shape and thickness of the mandibular cortex [9][10][11]. One of the most established techniques is the Klemetti index [12], also known as Mandibular Cortical Index (MCI).…”

Section: Introductionmentioning

confidence: 99%

Quality of Life and Osteoporotic Alterations in Patients with and without Low Bone Mineral Density: A Retrospective Study

Iida¹,

Lavor²,

Munhoz³

et al. 2019

JHS

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Purpose: The objectives of this investigation were to compare the World Health Organization abbreviated instrument for quality of life assessment (WHOQOL-bref) scores of osteoporotic and non-osteoporotic Brazilian patients and to evaluate the correlation between mandibular cortical index (MCI) and bone densitometry (DXA) results in both groups. Methods: This research was conducted with an initial sample of 74 female participants who underwent panoramic radiography and forearm densitometry. Participants were divided into two groups: osteoporotic and non-osteoporotic patients. A quality of life assessment questionnaire was administered. The scores from the questionnaire were compared between the two groups and the correlation between DXA and MCI was analyzed. Results: Psychological and social domains in osteoporotic patients presented lower scores (12.65 and 6.00 respectively) when compared to non-osteoporotic patients (14.70 and 13.97 respectively). MCI was inversely correlated with DXA. Conclusions: According to WHOQOL-bref, osteoporotic patients may have lower quality of life scores when considering psychological and social relationships. MCI is inversely correlated with T-scores but demonstrates greater correlation when considering non-osteoporotic patients with higher T-score values.

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Osteoporotic alterations in a group of different ethnicity Brazilian postmenopausal women: An observational study

Abstract: Bone density is higher in Brazilian Afro-descendant women than in Caucasians and Asians. Patient's age is associated with bone density and the MCI. The mandibular cortical index is inversely correlated with the peripheral densitometry results within the study ethnic population.

Cited by 27 publications

References 60 publications

Opportunistic screening for osteoporosis correlating the bone densities of jaws with multislice computed tomography for cervical vertebrae

Opportunistic screening for osteoporosis correlating the bone densities of jaws with multislice computed tomography for cervical vertebrae

Evaluation and Correlation between craniofacial bone densities and C1 and C2 cervical vertebrae using multislice computed tomography.

Quality of Life and Osteoporotic Alterations in Patients with and without Low Bone Mineral Density: A Retrospective Study

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