Quality of film-based and digital panoramic radiography

Molander, B; Gröndahl, Hans‐Göran; Ekestubbe, Annika

doi:10.1259/dmfr/17777906

Cited by 42 publications

(30 citation statements)

References 22 publications

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“…Comparisons of film-based and digital radiography were performed previously and visualization of anatomical structures was reported to be worse in digital images than in film images (7). However, this study showed that the digital panoramic radiographs showed sufficient accuracy with a minimum of 119.4% and a maximum of 130.8%, which supports the finding from conventional e665 Table 2.…”

Section: Discussionsupporting

confidence: 73%

The evaluation of digital panoramic radiographs taken for implant dentistry in the daily practice

Park¹

2010

Med Oral

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Objectives: This study was conducted 1/ to find out the effects of anatomical sites and implant types on the magnification and 2/ to evaluate the inter-observer variability on the evaluation using the digital panoramas taken at daily practices. Study design: Panoramic radiographs from 156 patients treated with implants were evaluated by three observers. The length was measured on the lateral aspect of the implant in 1:1 mode using image measurement program and the percent magnification was calculated. The inter-observer correlation coefficient was measured to express inter-observer variability using reliability analysis-scale. Results: The average magnification factor in the panoramic radiograph was 126.8% in the vertical plane. Location within the anatomic arch showed different magnification by a minimum of 119.4% to a maximum of 130.8%. The measurements among three examiners were well correlated showing correlation coefficient of 0.81. The differences between one side and the contralateral side were evaluated and it was shown that the differences were observed only in maxillary anterior and maxillary premolar regions. Additionally, the external non-submerged group had the highest magnification value. Conclusions: It can be concluded that digital panoramic radiographs showed sufficient accuracy and good interexaminer agreement. The radiographic magnification of implant length may be influenced by anatomical sites and implant types.

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Section: Discussionsupporting

confidence: 73%

The evaluation of digital panoramic radiographs taken for implant dentistry in the daily practice

Park¹

2010

Med Oral

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“…This finding is in line with the general conclusions of many studies reporting equal diagnostic capacity of conventional panoramic films and unfiltered panoramic images. 2,3,6 On the other hand, superiority of film images was observed for the visualization of low-contrast structures.…”

Section: Discussionmentioning

confidence: 99%

“…3,4 Studies using panoramic images have compared the quality of unfiltered digital images with films, evaluated the effect of dose reduction on the detection of anatomical structures and/or dental pathologies or compared the performance of different panoramic receptors. [4][5][6][7] It is well known that radiographic recognition of disease requires superior radiographic appearance of normal anatomy. For this purpose, the processing of digital images with the aid of various filters is recommended to produce a ''conventional look'' while overcoming the limitations of conventional film radiography.…”

Section: Introductionmentioning

confidence: 99%

“…8 However, so far, only a few studies have compared the effect of image filters that may enhance the quality of the panoramic image. 4,6,9 Although panoramic radiography is not the primary diagnostic yield for approximal caries diagnosis; a recent study focused on the evaluation of filters to maximize the diagnosis of approximal caries. 10 The filters enhanced the overall quality of the image but visualization of important structures that may aid in the distinction of pathology from anatomy were not considered.…”

Section: Introductionmentioning

confidence: 99%

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Perception of anatomical structures in digitally filtered and conventional panoramic radiographs: a clinical evaluation

Baksı

Alpöz²,

Soğur³

et al. 2010

Dentomaxillofacial Radiology

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Objectives: The aims of the study were to compare subjective image quality of clinical images obtained with a storage phosphor plate (SPP)-based digital and conventional filmbased panoramic system for the visualization of various anatomical structures and to evaluate the effect of various processing algorithms on image interpretation. Methods: Panoramic radiographs were taken in 42 patients both with film and with a SPP system. SPP images were treated with shadow, sharpen, negative, greyscale sigma and greyscale exponential filters. Four observers subjectively evaluated films and unfiltered and filtered SPP images for the visibility of anatomical structures with various radiodensities as well as for overall image quality on a three-point rating scale. The statistical methods used were Kruskal-Wallis, odds ratio analysis and Cohen's kappa. Results: No statistically significant difference was found between film and unfiltered digital images except for low-contrast structures (P . 0.05). Film images were preferred for the visibility of low-contrast structures (P , 0.05). Best overall image quality was obtained with sharpened images (P , 0.05) followed by films and unfiltered digital images. Among all filtered images, sharpened ones received the highest ratings for the visibility of all anatomical structures (P , 0.05). The intra-and interobserver agreement ranged between moderate and substantial and between fair and moderate, respectively. Conclusions: Film and unfiltered SPP-based panoramic images performed equally well in terms of overall quality; however, films were best for the perception of low-contrast structures. The sharpening filter may be recommended for enhancing SPP panoramic images to improve the visual perception of most of the anatomical structures as well as overall quality.

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“…Still, the digital method has other advantages such as: the elimination of the chemical developing process, the immediate availability of the image, the image enhancement function (mostly changes of density and contrast), the small storage space needed, the use in teleradiology, the availability in multiple reprints, and the lower contamination of the environment [11,13,21,28].…”

Section: Discussionmentioning

confidence: 99%

Comparison of digital and conventional radiographic techniques

Longo

Fumes

Oliveira

et al. 2017

RSBO

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Introduction and Objective: This study aimed to evaluate the correlation between conventional and digital radiographic methods in the measurement of periapical lesions in primary molars and compares the time used to obtain the radiographic images between both methods. Material and methods: This crossover study included children between 4 to 8-year-old with periapical lesion in primary mandibular molars. Fifteen molars were randomly assigned firstly to receive conventional or digital periapical radiograph during the steps of endodontic treatment. The time to obtain the radiographic image was evaluated in seconds and compared by the Mann-Whitney test. The periapical lesions measurement (mm

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Quality of film-based and digital panoramic radiography

Abstract: It was concluded that digital panoramic radiographs are equivalent to film-based images for most purposes.

Cited by 42 publications

References 22 publications

The evaluation of digital panoramic radiographs taken for implant dentistry in the daily practice

The evaluation of digital panoramic radiographs taken for implant dentistry in the daily practice

Perception of anatomical structures in digitally filtered and conventional panoramic radiographs: a clinical evaluation

Comparison of digital and conventional radiographic techniques

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