The influence of the X-ray spectrum at compact bone–titanium interfaces in digital dental radiography

Nicopoulou-Karayianni, K; Koligliatis, T; Donta-Bakogianni, C; Karayiannis, A

doi:10.1259/dmfr/14404583

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…Allal et al (13) used 60 Co as radioactive source to study variation in radiation absorbed by the tissue at the interface with metal implant and found that radiation dose close to the surface of titanium plate was higher by 5%–7%. However, some studies have reported results that are inconsistent with these findings 16 , 17 . Moreover, due to the complexity of the anatomical structure of the spine and the interaction with several internal fixation materials, accurate determination of radiation dose in the vertebral canal and on the vertebral body is very difficult (18) .…”

Section: Introductionmentioning

confidence: 99%

Influence of internal fixation systems on radiation therapy for spinal tumor

Yan

Wang

et al. 2015

J Applied Clin Med Phys

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In this study, the influence of internal fixation systems on radiation therapy for spinal tumor was investigated in order to derive a theoretical basis for adjustment of radiation dose for patients with spinal tumor and internal fixation. Based on a common method of internal fixation after resection of spinal tumor, different models of spinal internal fixation were constructed using the lumbar vertebra of fresh domestic pigs and titanium alloy as the internal fixation system. Variations in radiation dose in the vertebral body and partial spinal cord in different types of internal fixation were studied under the same radiation condition (6 MV and 600 mGy) in different fixation models and compared with those irradiated based on the treatment planning system (TPS). Our results showed that spinal internal fixation materials have great impact on the radiation dose absorbed by spinal tumors. Under the same radiation condition, the influence of anterior internal fixation material or combined anterior and posterior approach on radiation dose at the anterior border of the vertebral body was the greatest. Regardless of the kinds of internal fixation method employed, radiation dose at the anterior border of the vertebral body was significantly different from that at other positions. Notably, the influence of posterior internal fixation material on the anterior wall of the vertebral canal was the greatest. X‐ray attenuation and scattering should be taken into consideration for most patients with bone metastasis that receive fixation of metal implants. Further evaluation should then be conducted with modified TPS in order to minimize the potentially harmful effects of inappropriate radiation dose.PACS number: 87.55.D‐

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Section: Introductionmentioning

confidence: 99%

Influence of internal fixation systems on radiation therapy for spinal tumor

Yan

Wang

et al. 2015

J Applied Clin Med Phys

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Modern dental imaging: a review of the current technology and clinical applications in dental practice

2010

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A review of modern imaging techniques commonly used in dental practice and their clinical applications is presented. The current dental examinations consist of intraoral imaging with digital indirect and direct receptors, while extraoral imaging is divided into traditional tomographic/panoramic imaging and the more recently introduced cone beam computed tomography. Applications, limitations and current trends of these dental "in-office" radiographic techniques are discussed.

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The influence of the X-ray spectrum at compact bone–titanium interfaces in digital dental radiography

Abstract: In digital dental radiography, a 60-65 kVp spectrum accompanied by the known 30% reduction in mAs leads to lower dose to the patient for a diagnostically useful image.

Cited by 2 publications

References 7 publications

Influence of internal fixation systems on radiation therapy for spinal tumor

Influence of internal fixation systems on radiation therapy for spinal tumor

Modern dental imaging: a review of the current technology and clinical applications in dental practice

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