The plastic,U-shaped frame is placed _____ the dam; the metal Young frame and the Ostby frame are placed _____ the dam.

Name: The plastic,U-shaped frame is placed _____ the dam; the metal Young frame and the Ostby frame are placed _____ the dam.
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Question

Quizplus · Accepted Answer

Because the U-shaped frame is radiolucent and does not have to be removed to take a radiograph,it can be placed under the dental dam.The Young and Ostby frames are placed on the outside for patient comfort.

The Plastic,U-Shaped Frame Is Placed _____ the Dam; the Metal