Osteoporosis and reduction of residual ridge in edentulous patients

Hirai, Toshihiro; Ishijima, Tsutomu; Hashikawa, Yoshiko; Yajima, Toshihiko

doi:10.1016/0022-3913(93)90240-o

Cited by 125 publications

(81 citation statements)

References 11 publications

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“…For the M/M ratio, the total alveolar ridge height was measured and then divided by the height from the center of the mental foramen to the inferior border of the mandible (Hirai et al, 1993;Klemetti and Vainio, 1993) (Fig. 3).…”

Section: The Alveolar Bone Resorption Degree (M/m Ratio):-mentioning

confidence: 99%

Assessment of Radiomorphometric Indices on Digital Panoramic and Cone Beam Computed Tomographic Images in Osteoporotic Egyptian Females.

Kenawy¹,

Beshlawy²,

Dahaba³

2017

IJAR

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Background and purpose:This study aimed to assess the effectiveness of radiomorphometric indices based on digital panoramic and cone beam computed tomography (CBCT) images as osteoporosis predictors in healthy and osteoporotic women. Methods: Twenty selected female volunteers were scanned by digital panoramic, dual Energy x-ray absorptiometry (DEXA) and CBCT scans. According to the DEXA results, they were categorized into either normal or osteopenic/osteoporotic group. The same measurements were performed on digital panoramic, and CBCT images by 3 observers and the average of each was calculated. Results: This study demonstrated that there was no significant correlation between the DEXA results with either panoramic or CBCT indices in the normal, osteopenic and osteoporotic groups. Conclusion: Within the limitation of the current study regarding the limited sample size, the bone of the mandible does not appear to reflect the characteristics of the skeleton as a whole. Panoramic Mandibular Index and Mental Index, with a larger sample size, may serve as prognostic osteoporosis indices.

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Section: The Alveolar Bone Resorption Degree (M/m Ratio):-mentioning

confidence: 99%

Assessment of Radiomorphometric Indices on Digital Panoramic and Cone Beam Computed Tomographic Images in Osteoporotic Egyptian Females.

Kenawy¹,

Beshlawy²,

Dahaba³

2017

IJAR

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“…Studies by Ortman et al 79 found a statistically significantly higher percentage of women with severe alveolar ridge resorption than men. Recently, Hirai et al 80 found that the presence of skeletal osteoporosis strongly affects the reduction of the residual ridge in edentulous patients.…”

Section: Osteoporosis and Oral Bone Lossmentioning

confidence: 99%

Risk Factors for Osteoporosis and Oral Bone Loss in Postmenopausal Women

Wactawski‐Wende¹

2001

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“…It has been reported that in ovariectomized rats bone loss may occur in the mandibular body and the mandibular condyle (12,43,44,45). A positive correlation has been found between osteoporosis and some jaw conditions, such as low mineral density of the mandible (31,35), severe residual ridge resorption (21,48), and excessive tooth loss (5,35,47). Some clinical trials have suggested a strong link between tooth loss and estrogen deficiency based on observations that postmenopausal women on estrogen supplement therapy suffered from less severe tooth loss as compared to those who did not receive estrogen (18,30,37).…”

Section: Introductionmentioning

confidence: 99%

Can Histological and Histomorphometrical Changes be Induced in Rat Mandibular Condyle Following Ovariectomy and Long-Term Extremely Low Frequency Magnetic Field Exposure?

Ülkü

Akdağ

Yavuz

et al. 2012

Biotechnology & Biotechnological Equipment

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The quantity and quality of maxillary and mandibular bone have long been a focus of attention for dental clinicians. The mandibular condyle is a major growth site and plays an important role during mandibular growth. The aim of the present study was to evaluate the effects of long-term extremely low frequency magnetic field (ELF-MF) and hormonal changes produced by bilateral ovariectomy on the histologic and histomorphometric structure of rat mandibular condyle. Forty mature female Sprague-Dawley rats were randomly divided into four different groups (n =10): control (Cnt), ovariectomy (OVX), ELF-MF exposure (ELF-MF), ELF-MF exposure with OVX application (ELF-MF+OVX). All rats were subjected to bilateral ovariectomy except those in Cnt and ELF-MF groups. ELF-MF and ELF-MF+OVX groups were exposed to 1.5 mT ELF-MF during 6 months, 4 h a day. After all applications, left condyle of rats were removed to examine histopathologically. Some histopathologic changes were observed, such as irregular appearance in bone marrow cavities in rat condyles of OVX, ELF-MF and ELF-MF+OVX groups. Some disorders in transition from hypertrophic field to ossification layer and irregular appearance in calcification were determined in OVX group. In OVX+ELF-MF and ELF-MF groups

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Osteoporosis and reduction of residual ridge in edentulous patients

Cited by 125 publications

References 11 publications

Assessment of Radiomorphometric Indices on Digital Panoramic and Cone Beam Computed Tomographic Images in Osteoporotic Egyptian Females.

Assessment of Radiomorphometric Indices on Digital Panoramic and Cone Beam Computed Tomographic Images in Osteoporotic Egyptian Females.

Risk Factors for Osteoporosis and Oral Bone Loss in Postmenopausal Women

Can Histological and Histomorphometrical Changes be Induced in Rat Mandibular Condyle Following Ovariectomy and Long-Term Extremely Low Frequency Magnetic Field Exposure?

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