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10.1259/dmfr.20120260 http://scihub22266oqcxt.onion/10.1259/dmfr.20120260 C3667524!3667524!23412460     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Dentomaxillofac+Radiol 2013 ; 42 (6): ä Nephropedia Template TP {{tp|p=23412460|t=2013. Effect of leaded glasses and thyroid shielding on cone beam CT radiation dose in an adult female phantom |pdf=|usr=}}{{23412460}} gab.com Text Effect of leaded glasses and thyroid shielding on cone beam CT radiation dose in an adult female phantom JO: Dentomaxillofac Radiol http://www.kidney.de/pget.php?&tw=1&pmid=23412460 #FOAvip Objectives:: This study aims to demonstrate the effectiveness of leaded glasses in reducing the lens of eye dose and of lead thyroid collars in reducing the dose to the thyroid gland of an adult female from dental cone beam CT (CBCT). The effect of collimation on the radiation dose in head organs is also examined. Methods:: Dose measurements were conducted by placing optically stimulated luminescent dosemeters in an anthropomorphic female phantom. Eye lens dose was measured by placing a dosemeter on the anterior surface of the phantom eye location. All exposures were performed on one commercially available dental CBCT machine, using selected collimation and exposure techniques. Each scan technique was performed without any lead shielding and then repeated with lead shielding in place. To calculate the percent reduction from lead shielding, the dose measured with lead shielding was divided by the dose measured without lead shielding. The percent reduction from collimation was calculated by comparing the dose measured with collimation to the dose measured without collimation. Results:: The dose to the internal eye for one of the scans without leaded glasses or thyroid shield was 0.450?cGy and with glasses and thyroid shield was 0.116?cGy (a 74% reduction). The reduction to the lens of the eye was from 0.396?cGy to 0.153?cGy (a 61% reduction). Without glasses or thyroid shield, the thyroid dose was 0.158?cGy; and when both glasses and shield were used, the thyroid dose was reduced to 0.091?cGy (a 42% reduction). Conclusions:: Collimation alone reduced the dose to the brain by up to 91%, with a similar reduction in other organs. Based on these data, leaded glasses, thyroid collars and collimation minimize the dose to organs outside the field of view. Twit Text FOAVip Effect of leaded glasses and thyroid shielding on cone beam CT radiation dose in an adult female phantom ????Dentomaxillofac Radiol http://www.kidney.de/pget.php?&tw=1&pmid=23412460 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=23412460 #FOAvip English Wikipedia <ref>{{Cite pmid|23412460}}</ref> Effect of leaded glasses and thyroid shielding on cone beam CT radiation dose in an adult female phantom #MMPMID23412460 Goren A; Prins R; Dauer L; Quinn B; Al-Najjar A; Faber R; Patchell G; Branets I; Colosi D Dentomaxillofac Radiol 2013[Jun]; 42 (6): ä PMID23412460show ga Objectives:: This study aims to demonstrate the effectiveness of leaded glasses in reducing the lens of eye dose and of lead thyroid collars in reducing the dose to the thyroid gland of an adult female from dental cone beam CT (CBCT). The effect of collimation on the radiation dose in head organs is also examined. Methods:: Dose measurements were conducted by placing optically stimulated luminescent dosemeters in an anthropomorphic female phantom. Eye lens dose was measured by placing a dosemeter on the anterior surface of the phantom eye location. All exposures were performed on one commercially available dental CBCT machine, using selected collimation and exposure techniques. Each scan technique was performed without any lead shielding and then repeated with lead shielding in place. To calculate the percent reduction from lead shielding, the dose measured with lead shielding was divided by the dose measured without lead shielding. The percent reduction from collimation was calculated by comparing the dose measured with collimation to the dose measured without collimation. Results:: The dose to the internal eye for one of the scans without leaded glasses or thyroid shield was 0.450?cGy and with glasses and thyroid shield was 0.116?cGy (a 74% reduction). The reduction to the lens of the eye was from 0.396?cGy to 0.153?cGy (a 61% reduction). Without glasses or thyroid shield, the thyroid dose was 0.158?cGy; and when both glasses and shield were used, the thyroid dose was reduced to 0.091?cGy (a 42% reduction). Conclusions:: Collimation alone reduced the dose to the brain by up to 91%, with a similar reduction in other organs. Based on these data, leaded glasses, thyroid collars and collimation minimize the dose to organs outside the field of view. äEffect of leaded glasses and thyroid shielding on cone beam CT radiati(epmc).pdf DeepDyve Pubget Overpricing