COMPARISON OF RADIATION ABSORBED DOSE IN TARGET ORGANS IN MAXILLOFACIAL IMAGING WITH PANORAMIC, CONVENTIONAL LINEAR TOMOGRAPHY, CONE BEAM COMPUTED TOMOGRAPHY AND COMPUTED TOMOGRAPHY

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PANJNOUSH M.; SHOKRI A.; HOSSEINI POUYA M.; DEEVBAND M.R.

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Journal Paper

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Journal: Journal of Dental Medicine Year:2009 | Volume:22 | Issue:3 (60) Page(s): 113-119

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Title

COMPARISON OF RADIATION ABSORBED DOSE IN TARGET ORGANS IN MAXILLOFACIAL IMAGING WITH PANORAMIC, CONVENTIONAL LINEAR TOMOGRAPHY, CONE BEAM COMPUTED TOMOGRAPHY AND COMPUTED TOMOGRAPHY

Author(s)

PANJNOUSH M. | SHOKRI A. | HOSSEINI POUYA M. | DEEVBAND M.R. | Issue Writer Certificate

Keywords

ABSORBED DOSEQ3

THERMO LUMINESCENT DOSIMETRY (TLD)Q3

CONE BEAN COMPUTED TOMOGRAPHYQ3

Abstract

Background and Aim: The objective of this study was to measure and compare the tissue ABSORBED DOSE in thyroid gland, salivary glands, eye and skin in maxillofacial imaging with panoramic, conventional linear tomography, cone beam computed tomography (CBCT) and computed tomography (CT).Materials and Methods: Thermo luminescent dosimeters (TLD) were implanted in 14 sites of RANDO phantom to measure average tissue ABSORBED DOSE in thyroid gland, parotid glands, submandibular glands, sublingual gland, lenses and buccal skin. The Promax (PLANMECA, Helsinki, Finland) unit was selected for Panoramic, conventional linear tomography and cone beam computed tomography examinations and spiral Hispeed/Fxi (General Electric, USA) was selected for CT examination. The average tissue ABSORBED DOSEs were used for the calculation of the equivalent and effective doses in each organ.Results: The average ABSORBED DOSE for panoramic ranged from 0.038 mGY (Buccal skin) to 0.308 mGY (submandibular gland), linear tomography ranged from 0.048 mGY (Lens) to 0.510 mGY (submandibular gland), CBCT ranged from 0.322 mGY (thyroid glad) to 1.144 mGY (parotid gland) and in CT ranged from 2.495 mGY (sublingual gland) to 3.424 mGY (submandibular gland). Total effective dose in CBCT is 5 times greater than panoramic and 4 times greater than linear tomography, and in CT, 30 and 22 times greater than panoramic and linear tomography, respectively. Total effective dose in CT is 6 times greater than CBCT.Conclusion: For obtaining 3-dimensional (3D) information in maxillofacial region, CBCT delivers the lower dose than CT, and should be preferred over a medical CT imaging. Furthermore, during maxillofacial imaging, salivary glands receive the highest dose of radiation.

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APA: Copy

PANJNOUSH, M., SHOKRI, A., HOSSEINI POUYA, M., & DEEVBAND, M.R.. (2009). COMPARISON OF RADIATION ABSORBED DOSE IN TARGET ORGANS IN MAXILLOFACIAL IMAGING WITH PANORAMIC, CONVENTIONAL LINEAR TOMOGRAPHY, CONE BEAM COMPUTED TOMOGRAPHY AND COMPUTED TOMOGRAPHY. JOURNAL OF DENTAL MEDICINE, 22(3 (60)), 113-119. SID. https://sid.ir/paper/25671/en

Vancouver: Copy

PANJNOUSH M., SHOKRI A., HOSSEINI POUYA M., DEEVBAND M.R.. COMPARISON OF RADIATION ABSORBED DOSE IN TARGET ORGANS IN MAXILLOFACIAL IMAGING WITH PANORAMIC, CONVENTIONAL LINEAR TOMOGRAPHY, CONE BEAM COMPUTED TOMOGRAPHY AND COMPUTED TOMOGRAPHY. JOURNAL OF DENTAL MEDICINE[Internet]. 2009;22(3 (60)):113-119. Available from: https://sid.ir/paper/25671/en

IEEE: Copy

M. PANJNOUSH, A. SHOKRI, M. HOSSEINI POUYA, and M.R. DEEVBAND, “COMPARISON OF RADIATION ABSORBED DOSE IN TARGET ORGANS IN MAXILLOFACIAL IMAGING WITH PANORAMIC, CONVENTIONAL LINEAR TOMOGRAPHY, CONE BEAM COMPUTED TOMOGRAPHY AND COMPUTED TOMOGRAPHY,” JOURNAL OF DENTAL MEDICINE, vol. 22, no. 3 (60), pp. 113–119, 2009, [Online]. Available: https://sid.ir/paper/25671/en

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