Question

1. Which of the following statements regarding rubber dam placement is/are TRUE?

1. Holes of varying sizes are punched to ensure proper seal around each tooth
2. When a 212 SA clamp is indicated, it is always applied after the rubber dam has been placed.
3. It is not always necessary to secure the rubber dam in the posterior with clamps.
4. "W" is the designation used to indicate that the clamp is wingless.

Answer 1

True statements regarding rubber dam placement: 1. Holes of varying sizes are punched to ensure proper seal around each tooth. 2. When a 212 SA clamp is indicated, it is always applied after the rubber dam has been placed.

Step-by-step explanation:

True statements regarding rubber dam placement:

1. Holes of varying sizes are punched to ensure proper seal around each tooth.
2. When a 212 SA clamp is indicated, it is always applied after the rubber dam has been placed.

These statements are true because the rubber dam is used in dentistry to isolate teeth during procedures, and proper placement is important for effective sealing and protection.