Pulp Extirpating instrument among the following is
**Core Concept**
The question pertains to the identification of a pulp extirpating instrument, which is a dental instrument used in various endodontic procedures to remove infected or damaged pulp tissue from a tooth. This concept is crucial in the field of dentistry, particularly in endodontics, where the goal is to preserve the tooth while eliminating infection.
**Why the Correct Answer is Right**
The pulp extirpating instrument, typically referred to as a barbed broach or a reamer, is designed with barbs or threads that engage the pulp tissue, enabling its removal. This instrument is particularly useful in situations where the pulp is severely infected or damaged, making it difficult to remove with a simple instrument. The barbed broach works by mechanically engaging the pulp tissue and then twisting to remove it from the canal.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specifically relate to the removal of pulp tissue. Instruments like the explorer or the periodontal probe are used for different purposes, such as exploring the tooth surface or measuring periodontal pocket depths, respectively.
**Option B:** This option is incorrect because it is not a pulp extirpating instrument. A file or reamer is used for shaping or enlarging the root canal, but it does not have the barbs necessary for removing pulp tissue.
**Option C:** This option is incorrect because it is not a pulp extirpating instrument. A carver or a barbed broach is specifically designed for removing pulp tissue, whereas a carver is used for shaping or removing excess dentin.
**Clinical Pearl / High-Yield Fact**
When using a pulp extirpating instrument, it's essential to use gentle, twisting motions to avoid causing further damage to the surrounding tooth structure. Additionally, it's crucial to maintain a clear understanding of the instrument's design and purpose to avoid misusing it, which could lead to complications.
**Correct Answer: C. A carver or a barbed broach is specifically designed for removing pulp tissue.**