COMPARISON BETWEEN ABSORBED DOSES IN TARGET ORGANS IN PANORAMIC RADIOGRAPHY, USING SINGLE EMULSION AND DOUBLE EMULSION FILMS

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TALAIPOUR A.R.; SAKHDARI S.; SAHBA S.H.

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Journal: Journal of Dental School Year:2003 | Volume:21 | Issue:Specail Issue Page(s): 86-91

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Title

COMPARISON BETWEEN ABSORBED DOSES IN TARGET ORGANS IN PANORAMIC RADIOGRAPHY, USING SINGLE EMULSION AND DOUBLE EMULSION FILMS

Author(s)

TALAIPOUR A.R. | SAKHDARI S. | SAHBA S.H. | Issue Writer Certificate

Keywords

DOUBLE EMULSION FILMSQ4

DENSITOMETRYQ4

DOSIMETRYQ4

Abstract

Background & Aim: The use of panoramic radiograph is increasing, due to its numerous advantages. Radiographic films used in these techniques are of double emulsion kind which is used with intensifying screens. Single Emulsion or Video films can also be used for this purpose. The aim of this investigation was to determine the exposure parameters to achieve an appropriate optical density in these two types of film, and also to evaluate the radiation doses under such parameters.Material & Method: This study was performed through a tissue equivalent phantom (RANDO phantom). First, with various tube voltages (KVp) and tube currents (mA). A total of 128 radiographs were taken from the phantom with these two types of film. The exposure parameters were determined under which both films showed the same density after examining the optical densities. Then, phantom was again exposed to the radiation and the absorbed doses were measured, using TLDs.Result: It was demonstrated That:1. SE films, require two times radiation in comparison to the double emulsion film in order to provide appropriate optical density,.2. Using SE films increases absorbing dose, of MBM up to 2-2.5 times, thyroid gland to 1.7-2 times and parotid gland dose up to 1.3 times, in comparison to the DE films.3. In DE films, under lower exposure parameters and desirable processing, absorbing dose of the MBM will increase to 3.5 times, thyroid gland to 1.5 times and parotid gland to 2.5 times normal dose.Conclusion: Considering the increased risk of radiation induced cancers following the repeated radiations, the use of SE film should strongly be avoided.

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APA: Copy

TALAIPOUR, A.R., SAKHDARI, S., & SAHBA, S.H.. (2003). COMPARISON BETWEEN ABSORBED DOSES IN TARGET ORGANS IN PANORAMIC RADIOGRAPHY, USING SINGLE EMULSION AND DOUBLE EMULSION FILMS. JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, 21(Specail Issue), 86-91. SID. https://sid.ir/paper/21781/en

Vancouver: Copy

TALAIPOUR A.R., SAKHDARI S., SAHBA S.H.. COMPARISON BETWEEN ABSORBED DOSES IN TARGET ORGANS IN PANORAMIC RADIOGRAPHY, USING SINGLE EMULSION AND DOUBLE EMULSION FILMS. JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE[Internet]. 2003;21(Specail Issue):86-91. Available from: https://sid.ir/paper/21781/en

IEEE: Copy

A.R. TALAIPOUR, S. SAKHDARI, and S.H. SAHBA, “COMPARISON BETWEEN ABSORBED DOSES IN TARGET ORGANS IN PANORAMIC RADIOGRAPHY, USING SINGLE EMULSION AND DOUBLE EMULSION FILMS,” JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, vol. 21, no. Specail Issue, pp. 86–91, 2003, [Online]. Available: https://sid.ir/paper/21781/en

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