Instrument used to plane buccoproximal and linguoproximal walls in class II cavity is:
**Core Concept**
The question is testing the knowledge of dental instruments used in Class II cavity preparations. Class II cavities involve the buccal and lingual surfaces of teeth, and the instrument used to plane these surfaces is crucial for a proper restoration.
**Why the Correct Answer is Right**
The correct answer is a **Cuspidator or Class II Cuspidator**. This instrument is specifically designed to plane the buccoproximal and linguoproximal walls of Class II cavities. It typically has a curved or angled blade that allows for precise removal of tooth structure while preserving the integrity of the tooth.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is not specified, so we will not discuss it.
**Option B:** This option is incorrect because it does not specifically address the buccoproximal and linguoproximal walls of Class II cavities.
**Option C:** This option is incorrect because it is not a specific instrument used for Class II cavity preparations.
**Clinical Pearl / High-Yield Fact**
When preparing Class II cavities, it is essential to use instruments that are specifically designed for this purpose to avoid damaging the tooth structure. A cuspidator or Class II cuspidator is an essential instrument in the dental arsenal for restoring teeth with Class II cavities.
**Correct Answer:** C. Cuspidator or Class II Cuspidator.