Using GafChromic film to estimate the effective dose from dental cone beam CT and panoramic radiography
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منابع مشابه
Using GafChromic film to estimate the effective dose from dental cone beam CT and panoramic radiography.
OBJECTIVES To demonstrate the feasibility of GafChromic(®) XR-QA2 (ISP Corp., Wayne, NJ) as a dosemeter when performing measurements of the effective dose from three cone beam CT (CBCT) units and to compare the doses from examinations of three common dental clinical situations. A second aim was to compare the radiation doses for three digital panoramic units with the doses for the CBCT units. ...
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The location and field size of the incident X-ray beam in panoramic dental radiography cannot be ascertained visually most of the time. However, these parameters are needed for quality control and dosimetry determination. To alleviate this problem, we tested GafChromic XR-QA film on two panoramic systems. For each system, we used the length of a cross-sectional image of the incident beam and th...
متن کاملSU-E-I-08: KV XVI Cone Beam-CT Dose Measurement Using Gafchromic XRQA2 Film.
PURPOSE To study the effect of different filters on the dose response curves of the Gafchromic XRQA2 film. To measure the kV XVI cone-beam CT (CBCT) surface dose received during 3D and 4D imaging protocols in three body regions (head and neck, chest and pelvis). METHODS GafChromic XR- QA2 film (International Specialty Products, Wayne, NJ) dose response curves were generated for three irradiat...
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Introduction: Dental panoramic radiography (DPR) is one of the most frequent diagnostic X-ray procedures, the application of which is currently on a growing trend. During DPR, several radiosensitive tissues, such as the lens of the eyes, parotid gland, and thyroid gland, contribute to the radiation field, and it is necessary to monitor their received dose. The aim of t...
متن کاملEffective dose from cone beam CT examinations in dentistry.
Cone beam CT (CBCT) is becoming an increasingly utilized imaging modality for dental examinations in the UK. Previous studies have presented little information on patient dose for the range of fields of view (FOVs) that can be utilized. The purpose of the study was therefore to calculate the effective dose delivered to the patient during a selection of CBCT examinations performed in dentistry. ...
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ژورنال
عنوان ژورنال: Dentomaxillofacial Radiology
سال: 2013
ISSN: 0250-832X,1476-542X
DOI: 10.1259/dmfr.20120343