## Core Concept
The glass bead sterilizer, also known as a glass bead sterilizer or bead sterilizer, is a device used for sterilizing small instruments, typically in dental or medical procedures. It works by heating glass beads to a high temperature, and when an instrument is inserted, it quickly gets heated by the beads, effectively sterilizing it. The core concept here revolves around the application of high-temperature sterilization techniques.

## Why the Correct Answer is Right
The correct answer, , indicates that the temperature of the glass bead sterilizer is around 225°C. This high temperature is sufficient to kill bacteria, viruses, and other pathogens on the surface of instruments. The glass beads are heated to this temperature, and when an instrument is placed within them, it rapidly achieves sterility due to the high heat transfer efficiency of the beads.

## Why Each Wrong Option is Incorrect
- **Option A:** . This temperature seems too low for effective sterilization. Most sterilization procedures require temperatures significantly higher than 100°C to ensure the elimination of spores and other highly resistant pathogens.
- **Option B:** . While closer, this is still not the optimal temperature for glass bead sterilizers. Effective sterilization with such devices usually requires a higher temperature.
- **Option D:** . This option seems excessively high and not practical for the materials typically used in glass bead sterilizers. While very high temperatures can sterilize, they might also damage the instruments or the device itself.

## Clinical Pearl / High-Yield Fact
A key point to remember is that glass bead sterilizers are particularly useful for their speed and effectiveness in sterilizing small, heat-resistant instruments between uses. They are commonly used in procedures where instruments are needed rapidly, and there's no time for slower sterilization methods like autoclaving.

## Correct Answer: C. 225°C.