DANB Radiation Health and Safety (RHS) Exam 2025 – 400 Free Practice Questions to Pass the Test

The correct answer is the inclusion of all the listed techniques and considerations for exposing an edentulous survey.

For an edentulous survey, various modifications are required to ensure accurate imaging of the anatomy without teeth. Utilizing cotton rolls, styrofoam blocks, and XCPs assists in stabilizing the film or sensor in the absence of teeth. These aids help maintain proper positioning and alignment, which is critical to capture the necessary anatomical details.

Substituting the alveolar ridge for the long axis of the missing tooth is essential because, in edentulous patients, the alveolar ridge represents where the teeth would typically be. This technique allows for the accurate representation of the bone and surrounding structures, ensuring that any potential issues can be identified effectively.

Additionally, the need for approximately 25% less exposure time is significant. Edentulous surveys typically have reduced bone density and less radiopaque structures to penetrate, which means less exposure time is needed to achieve a clear image without increasing the risk of radiation exposure to the patient.

Combining all of these considerations is critical for successful radiographic imaging in edentulous patients, which is why the option that includes all of the techniques is the most comprehensive and correct response.