California Registered Dental Assistant (RDA) Written Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Does a polycarbonate crown remain on the prepared tooth or act as a mold for the provisional?

Remains on the tooth

Acts as a mold

Neither

Both

A polycarbonate crown is a temporary crown used during dental procedures. It is designed to fit over the prepared tooth to provide stability and protection while a permanent crown is being made. However, it is also used as a mold for the provisional or temporary crown to ensure that the permanent crown fits properly. This means that the polycarbonate crown does both - it remains on the prepared tooth and also acts as a mold for the provisional.

Option A is incorrect because while the polycarbonate crown does remain on the tooth, it serves a dual purpose as a mold as well.

Option B is incorrect because while the polycarbonate crown does act as a mold, it also remains on the prepared tooth.

Option C is incorrect because, as mentioned earlier, the polycarbonate crown serves as a temporary crown and a mold for the provisional.

Overall, the polyc

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