Each of the following statements is true about taking x-rays using the paralleling technique except:
A)the central ray must be perpendicular to the film sensor and the long axis of the tooth.
B)the film sensor must be placed directly against the teeth being exposed.
C)failure to center the central ray on the film sensor could result in a cone cut.
D)the central ray must be directed through the contact areas between the teeth.

Question

Quizplus · Accepted Answer

In the paralleling technique, the film sensor is not placed directly against the teeth being exposed. Instead, a device called a film holder or XCP (extension cone paralleling) is used to position the film sensor parallel to the long axis of the tooth and away from the soft tissue.

Each of the Following Statements Is True About Taking X-Rays