Panoramic radiography measurements, osteoporosis diagnoses and fractures in <scp>J</scp>apanese men and women

Yamada, Shinichiro; Uchida, Keiji; Iwamoto, Y; Sugino, Noriyuki; Yoshinari, Nobuo; Kagami, Hideaki; Taguchi, Akira

doi:10.1111/odi.12282

Cited by 27 publications

(27 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Qualitative and quantitative indices of panoramic radiographs have been developed by several studies for indication of bone resorption and osteoporosis [14, 15, 21, 22, 26]. To our knowledge, this is the first study to clarify aging-associated changes in MCW, and FDs for men and young men and women of Korean subjects.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, the lack of previous studies on the association of mandibular variables with MCI categories for both genders has made it difficult for us to compare our results directly. Moreover, most studies described potential indicators on radiographs using small sample populations of men and women [12, 13, 15, 17, 20, 21, 23, 26, 28, 29, 32], except a few studies that used larger sample size [14, 16, 27, 31], which limited comparison of results from this study. Although data on the subject’s age and gender were accessible, there were no other anthropomorphic data, such as height, weight, and medical data, available for the estimation of bone strength.…”

Section: Discussionmentioning

confidence: 99%

“…However, another recent study on Brazilian male (49) and female (84) subjects demonstrated that FD values of the cortical bone are more accurate than those of the trabecular bone [13]. Several studies revealed the association between these radiographic measurements and mandibular cortical erosion for identifying undetected low BMD or osteoporosis [20, 14, 21]. However, a few studies reported that evaluation of mandibular cortical erosion was not suitable and that it did not correlate with either mandibular or maxillary BMD to distinguish between osteoporotic and normal individuals [15, 22].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Distributional Variations in the Quantitative Cortical and Trabecular Bone Radiographic Measurements of Mandible, between Male and Female Populations of Korea, and its Utilization

et al. 2016

View full text Add to dashboard Cite

It is important to investigate the irregularities in aging-associated changes in bone, between men and women for bone strength and osteoporosis. The purpose of this study was to characterize the changes and associations of mandibular cortical and trabecular bone measures of men and women based on age and to the evaluation of cortical shape categories, in a large Korean population. Panoramic radiographs of 1047 subjects (603 women and 444 men) aged between 15 to 90 years were used. Mandibular cortical width (MCW), mandibular cortical index (MCI), and fractal dimensions (FD) of the molar, premolar, and anterior regions of the mandibular trabecular bone were measured. Study subjects were grouped into six 10-years age groups. A local linear regression smoothing with bootstrap resampling for robust fitting of data was used to estimate the relationship between radiographic mandibular variables and age groups as well as genders. The mean age of women (49.56 ± 19.5 years) was significantly higher than that of men (45.57 ± 19.6 years). The MCW of men and women (3.17mm and 2.91mm, respectively, p < 0.0001) was strongly associated with age and MCI. Indeed, trabecular measures also correlated with age in men (r > −0.140, p = 0.003), though not as strongly as in women (r > −0.210, p < 0.0001). In men aged over 55 years, only MCW was significantly associated (r = −0.412, p < 0.0001). Furthermore, by comparison of mandibular variables from different age groups and MCI categories, the results suggest that MCW was detected to be strongly associated in both men and women for the detection of bone strength and osteoporosis. The FD measures revealed relatively higher association with age among women than men, but not as strong as MCW.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Distributional Variations in the Quantitative Cortical and Trabecular Bone Radiographic Measurements of Mandible, between Male and Female Populations of Korea, and its Utilization

et al. 2016

View full text Add to dashboard Cite

show abstract

“…Thus, a significant number of patients with established osteoporosis are underdiagnosed [8], and, consequently, not treated, despite the availability of effective treatments [9,10].…”

Section: Introductionmentioning

confidence: 99%

“…Many researchers advocate its use for screening for osteoporosis [4,8,[15][16][17][18][19][20][21][22][23][24] by the fact that the mandibular cortical bone may reflect changes in bone architecture of other sites from skeleton [4,12,15].…”

Section: Introductionmentioning

confidence: 99%

The use of panoramic radiographs modified by an open access software to determine Mandibular Cortical Index

Munhoz¹,

Arruda²,

Alves³

et al. 2017

Rev. Odonto Ciênc. (Online)

View full text Add to dashboard Cite

OBJECTIVE: To compare assessment of panoramic radiographs using Mandibular Cortical Index (MCI) by a radiologist with experience and two dentists with no experience in this index using original radiograph images and inverted images. METHODS: 64 panoramic radiographs were analyzed by three observers: a radiologist with previous experience in MCI and two trained dentists with no previous experience. First, the original images were assessed by the radiologist and defined as the gold standard. Then, dentists received training in the MCI. Assessment results obtained from the three observers were analyzed. RESULTS: When compared results from the experienced radiologist to positive and inverted images, no statistical significant difference was found. When considering the two trained observers, we found that inverted images had a lower agreement between the gold standard original images. CONCLUSION: We concluded that, within the limitations of this study, inverted radiographs are not recommended for MCI assessment.Key words: Osteoporosis; Panoramic radiography; Dental digital radiography; Software tools O uso de radiografias panorâmicas modificadas por um software de acesso gratuito na determinação do Índice da Cortical Mandibular RESUMO OBJETIVO: Comparar a avaliação de radiografias panorâmicas usando o Índice Cortical Mandibular (ICM) por um radiologista com experiência e dois cirurgiões dentistas sem experiência neste índice usando imagens de radiografia originais e imagens invertidas. METODOLOGIA: 64 radiografias panorâmicas foram analisadas por três observadores: um radiologista com experiência prévia com o ICM e dois dentistas treinados sem experiência prévia. Inicialmente, as imagens originais foram avaliadas pelo radiologista e definidas como padrão-ouro. Então, os dentistas receberam treinamento para aplicar o ICM. Os resultados da avaliação obtidos dos três observadores foram analisados. RESULTADOS: Qquando comparados os resultados do radiologista experiente em imagens positivas e invertidas, não foi encontrada diferença estatística significante. Ao considerar os dois observadores treinados, descobrimos que as imagens invertidas apresentaram menor concordância com o padrão ouro. CONCLUSÃO: Concluímos que, dentro das limitações deste estudo, as radiografias invertidas não são recomendadas para a avaliação do ICM.Palavras-chave: Osteoporose; Radiografia panorâmica; Radiografia dentária; Software 84Rev Odonto Cienc 2017;32(2):83-87Open access software and Mandibular Cortical Index | Munhoz et al.

show abstract

Deep ensemble learning for osteoporosis diagnosis from knee X-rays: a preliminary cohort study in Kashmir valley

Wani,

Arora

2024

Neural Comput & Applic

View full text Add to dashboard Cite

Panoramic radiography measurements, osteoporosis diagnoses and fractures in Japanese men and women

Abstract: Subjects in Japan with eroded mandibular cortices tended to be at increased risk of osteoporosis diagnoses but not of fractures.

Cited by 27 publications

References 25 publications

Distributional Variations in the Quantitative Cortical and Trabecular Bone Radiographic Measurements of Mandible, between Male and Female Populations of Korea, and its Utilization

Distributional Variations in the Quantitative Cortical and Trabecular Bone Radiographic Measurements of Mandible, between Male and Female Populations of Korea, and its Utilization

The use of panoramic radiographs modified by an open access software to determine Mandibular Cortical Index

Deep ensemble learning for osteoporosis diagnosis from knee X-rays: a preliminary cohort study in Kashmir valley

Contact Info

Product

Resources

About