2019
DOI: 10.31832/smj.587177
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Panoramik Radyografların Fraktal Analizinde Teknik Faktörler

Abstract: Amaç Bu çalışmanın amacı aynı çenenin farklı röntgen cihazları ve ekspozür parametreleri ile elde edilen dental panoramik radyografileri (PR) üzerinde aynı ilgi bölgesi için yapılan fraktal analiz (FA) sonuçlarına cihazların ve teknik faktörlerin etkisini incelemektir. (Sakarya Tıp Dergisi 2019, 9(3):492-498) Gereç ve Yöntemler Bu çalışmada 15 adet koyun hemimandibulasının iki farklı röntgen cihazı ve değişik ekspozür parametreleri ile elde edilen 45 panoramik röntgen görüntüsü kullanıldı. ImageJ (National Ins… Show more

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Cited by 3 publications
(2 citation statements)
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“…Fractal dimension analysis is a method that identifies physiological and morphological characteristics of biological tissues with the help of clinical diagnostic materials (39). It has been reported that fractal analysis is unaffected by variables such as projection angle, which can vary between -10 and +30, and radiodensity but is affected by parameters such as the shape and size of the region of interest (ROI) selected as reference (16,23,25,33). Heo et al identified ROIs of 200x200 pixels from the operative fields on the DPRs of bilateral sagittal splint ramus osteotomy patients diagnosed with mandibular prognathism and evaluated the bone trabeculation changes in the relevant regions with FD analysis and stated that fractal analysis can be used to examine the bone repair process following orthognathic surgery (40).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Fractal dimension analysis is a method that identifies physiological and morphological characteristics of biological tissues with the help of clinical diagnostic materials (39). It has been reported that fractal analysis is unaffected by variables such as projection angle, which can vary between -10 and +30, and radiodensity but is affected by parameters such as the shape and size of the region of interest (ROI) selected as reference (16,23,25,33). Heo et al identified ROIs of 200x200 pixels from the operative fields on the DPRs of bilateral sagittal splint ramus osteotomy patients diagnosed with mandibular prognathism and evaluated the bone trabeculation changes in the relevant regions with FD analysis and stated that fractal analysis can be used to examine the bone repair process following orthognathic surgery (40).…”
Section: Resultsmentioning
confidence: 99%
“…The advantages of DPRs include their widespread use and frequent preference in routine care (16). Studies have shown that the morphology of the jaw bones can be analysed on DPRs and alterations in the alveolar bone's trabecular pattern can be detected with periodically taken DPRs (17,18) and many researchers have used fractal dimension (FD) analysis to convert these changes in bone structure into numerical data (18)(19)(20)(21)(22).…”
Section: Introductionmentioning
confidence: 99%