Micro abrasion involves the use of:
**Core Concept**
Microabrasion is a dental procedure that involves the controlled removal of tooth enamel to remove surface stains, improve the appearance of teeth, and prevent further staining. This process is typically performed using a series of abrasive particles and a polishing agent.
**Why the Correct Answer is Right**
The correct answer is a polishing agent, specifically a mixture of alumina and silica particles, which are used to gently remove the outer layer of tooth enamel. This process is often combined with a fluoride treatment to help strengthen the teeth and prevent further decay. The polishing agent helps to remove surface stains and smooth out the tooth surface, making it more resistant to future staining.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as it refers to a different dental procedure altogether. **Option B:** This option is also incorrect as it is a type of dental filling material, not a polishing agent. **Option C:** This option is incorrect as it is a type of dental bonding agent, not a polishing agent.
**Clinical Pearl / High-Yield Fact**
It's essential to note that microabrasion should only be performed by a trained dental professional, as improper use of the polishing agent can damage the tooth enamel or lead to further staining.
**Correct Answer: D. Polishing agent**