Question 17 · LDEK · Ergonomics, asepsis and other
What is the role of orthodontic rings in the placement of the rubber dam?
- A. they are rubber dam retaining elements.
- B. they are retaining elements for rubber dam frames.
- C. stabilization of the tooth structure for significantly damaged clinical crowns.
- D. sealing the rubber dam.
- E. turning around of the rubber dam toward the gingiva sulcus.
Hint
Think about what you do when a badly broken-down crown cannot hold a rubber dam clamp securely.
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