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The reduction methods of operator’s radiation dose for portable dental X-ray machines

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Academic year: 2021

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Figure 2. An 1,800 cc ionization chamber for low-level  radiation measurement.
Figure 8. Operator’s radiation dose at  hand level of operator was measured  using short and long cones.
Table 2. Operator’s radiation dose at the hand level during  the exposure of lower teeth with and without the lead gloves

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