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Table 1 Absorbed doses (mGy)

From: Low-dose protocol of the spiral CT in orthodontics: comparative evaluation of entrance skin dose with traditional X-ray techniques

X-ray technique

Right eye lens

Left eye lens

Right parotid gland

Left parotid gland

Right thyroid gland

Left thyroid gland

 

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Mean

SD

LC

0.06

0.012

0.09

0.021

0.04

0.0098

0.3

0.052

0.06

0.013

0.07

0.017

PAC

0.28

0.04

0.31

0.056

0.03

0.0087

0.05

0.011

0.07

0.018

0.04

0.009

PR

0.07

0.016

0.08

0.019

0.52

0.14

0.49

0.12

0.08

0.039

0.07

0.0195

LC + PAC + PR

0.41

0.097

0.48

0.101

0.59

0.158

0.84

0.32

0.21

0.097

0.18

0.022

Low-dose CT

0.57

0.11

0.58

0.12

0.78

0.289

0.79

0.30

0.18

0.081

0.17

0.067

  1. For each X-ray technique and organ, the doses have been registered five times. The mean value and the standard deviation (SD) are reported.