Radiographic Signals Detection of Systemic Disease: Orthopantomographic Radiography

Watanabe, Plauto Christopher Aranha; Farman, Allan G.; Watanabe, Marlívia Gonçalves de Carvalho; Issa, João Paulo Mardegan

doi:10.4067/s0717-95022008000400021

Cited by 4 publications

(3 citation statements)

References 27 publications

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“…Osteoporosis is characterized by low bone mass and microstructural degeneration. 1 Osteoporosis is one of the major causes of senile immobility, morbidity, and mortality. 1,2 Osteoporosis frequently occurs in postmenopausal Caucasian women.…”

Section: Introductionmentioning

confidence: 99%

“…1 Osteoporosis is one of the major causes of senile immobility, morbidity, and mortality. 1,2 Osteoporosis frequently occurs in postmenopausal Caucasian women. Osteoporosis is usually an asymptomatic disorder till a spontaneous fracture occurs and a bone investigation of the high-risk individuals is substantial.…”

Section: Introductionmentioning

confidence: 99%

“…Osteoporosis is usually an asymptomatic disorder till a spontaneous fracture occurs and a bone investigation of the high-risk individuals is substantial. [1][2][3] Aging, past bone fractures, long-term used drugs affecting bone metabolism (corticosteroids, diuretic agents, anticonvulsants, methotrexate, anticoagulants) determine that risk. 4 Osteoporosis is classified as general osteoporosis and local osteoporosis by location 5 and primary and seconder osteoporosis etiologically.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of the effect of osteoporosis on mandible with mandibular indexes using panoramic radiography and cone beam computed tomography.

Bilgili¹

2021

EADS

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Purpose: The purpose of the study is to evaluate the effects of osteoporosis (OP) using panoramic mandibular index (PMI) and mandibular cortical index (MCI) in panoramic radiographic and cone-beam computed tomographic (CBCT) images and to demonstrate any advantages of CBCT versus panoramic imaging in those indexes. Materials & Methods: 36 female patients (18 with osteoporosis and 18 with no systemic disease) who had panoramic radiographic and CBCT indication due to dental problems were involved in the study. PMI and MCI are evaluated on both panoramic and CBCT images. Differences between patient groups are analyzed by the Kruskal Wallis test, and differences between imaging techniques are analyzed by impaired t-tests ignoring patient groups in confidence interval 95%. Results: In CBCT images, PMIs were significantly lower in patients with osteoporosis than in the control group (p=0.004), and there was no significant difference between the patient and control group in panoramic images (p=0.085). In both imaging techniques, MCIs were significantly higher in the osteoporosis group than in the control group (p=0.000). CBCT showed a significant advantage on PMI to panoramic images (p=0.05). Conclusion: Systemic diseases affect bone tissue in different levels, and to evaluate these effects, cortical and trabecular bone parts must be investigated separately, and findings must be combined with patients’ clinical symptoms. CBCT has advantages in PMI evaluations to panoramic radiography.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evaluation of the effect of osteoporosis on mandible with mandibular indexes using panoramic radiography and cone beam computed tomography.

Bilgili¹

2021

EADS

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Caracterização das paredes corticais do canal da mandíbula para avaliação de alterações causadas pela osteopenia/osteoporose

Camargo¹

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Camargo AJ. Characterization the mandibular canal walls to evaluate changes caused by osteopenia / osteoporosis [dissertation]. São Paulo: Universidade de São Paulo, Faculdade de Odontologia; 2013. Versão Corrigida. Osteoporosis is a worldwide epidemic, expresses high morbidity and mortality, resulting also in high social costs. The bone densitometry by dual-energy X-ray absorptiometry (DXA) is the gold standard test for diagnosing the disease. However, its high cost and viability are restricted, especially in poor countries and emerging. Screening better and earlier patients to perform DXA, is a key strategy in combating this disease. Panoramic radiography has been used in routine dental care around the world, and has been employed as an efficient method of screening patients with low bone mineral density. The aim of this study was to analyze the cortical walls of the mandibular canal to evaluate possible changes caused by osteopenia / osteoporosis, hoping to indicate or not the correlation between mandibular bone quality and systemic. 52 women were included aged over 45 years (56.4 ± 8.4 years) were divided into three groups according to the DXA exam: Group N (n = 26) normal in three sites (forearm, hip and spine), Group E (n = 18) with osteopenia at the three sites and Group O (n = 8) with osteoporosis in the three sites. Significant differences were found between relative amount of black pixels in the region of the branch (R) of the mandibular canal (p <0.05) and the mean true when compared among groups of samples. In regions of the mandibular canal near the mental foramen (MF), angle (A) and analysis of the amount of fragments statistical tests did not show the significant differences, despite the figures suggest a trend to higher absorption in the walls the E group and to the detriment of group N. It was concluded that the analysis of the cortical the mandibular canal by the number of black pixels may be a useful to the dentist in the evaluation of low bone mineral density.

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Association of type 2 diabetes mellitus with the reduction of mandibular residual ridge among edentulous patients using panoramic radiographs

Al-Jabrah¹

2011

OJST

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Objective: To evaluate the association between type 2 diabetes mellitus and the reduction of mandibular residual ridge in completely edentulous patients wearing complete dentures and to investigate the effect of gender, age and years of edentulousness/ denture wearing on ridge resorption on both groups. Methods: Seventy-two (36 men and 36 women) with a mean age 63.5 years (range of 52 to 73 years) completely edentulous denture-wearing patients were included in this study. Of these, there were 40 patients with type 2 diabetes mellitus and 32 control subjects participated in the study. Resorption in the mandibular residual ridges was assessed by using the mental foramen and the inferior border of the mandible, as they appear in panoramic radiographs, as reference points using Wical and Swoope Analysis method. Measurements were performed using "Dijite" Digital Caliper. The amount of mandibular ridge resorption was calculated and correlated with type 2 diabetes mellitus and the results were compared with control group. Differences in gender, age and years of edentulousness were investigated. Statistical analysis was performed using SPSS (V11.0). A 2-sample t-test was used to evaluate the differences in mean values of mandibular ridge resorption between diabetics and controls. Level of significance was set at 0.05. Results: The mean mandibular residual ridge resorption of all participants is 8.0 mm (26.9%), diabetic group significantly (P < 0.01) had two times more resorption compared with control group (35.8% versus 18.0%). Females recorded greater amount of resorption in diabetics 49.7% versus 21.8% (P < 0.001) and in controls 22.3% versus 13.7%, (P < 0.05) compared to males, respectively. There were no differences in both groups regarding the age of subjects and the length of time they have been edentulous and years of denture wearing. The amount of mandibular residual ridge resorption was directly related to the number of years of edentulousness. Conclusion: Completely edentulous, denture-wearing diabetics, women in particular, are at more risk to have ridge resorption than "nondiabetic" subjects. Reduced mandibular height is directly related to years of edentulousness and denture wearing with greater amount of resorption among diabetics.

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Radiographic Signals Detection of Systemic Disease: Orthopantomographic Radiography

Cited by 4 publications

References 27 publications

Evaluation of the effect of osteoporosis on mandible with mandibular indexes using panoramic radiography and cone beam computed tomography.

Evaluation of the effect of osteoporosis on mandible with mandibular indexes using panoramic radiography and cone beam computed tomography.

Caracterização das paredes corticais do canal da mandíbula para avaliação de alterações causadas pela osteopenia/osteoporose

Association of type 2 diabetes mellitus with the reduction of mandibular residual ridge among edentulous patients using panoramic radiographs

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