Pointed,plastic Cones Are Not Used in Dental Radiology Because

question 18

Multiple Choice

Pointed,plastic cones are not used in dental radiology because:

• A)the cones are difficult for the practitioner to line up correct anatomic structures.
• B)the cones cause the production of excess secondary and scatter radiation.
• C)the cones require a higher kVp setting on the control panel.
• D)the cones require an increase in the time setting.

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