HOSA Dental Terminology Practice

What is the primary function of an autoclave?

1. To cool down instruments

2. To sterilize by steam under pressure

3. To store dental tools

4. To dry equipment

The correct answer is: To sterilize by steam under pressure

The primary function of an autoclave is to sterilize instruments through the use of steam under pressure. This process is essential in dental practices and healthcare settings because it effectively kills bacteria, viruses, fungi, and spores that may be present on dental tools. The autoclave uses high temperatures, typically reaching up to 121 degrees Celsius (250 degrees Fahrenheit), along with elevated pressure to ensure that these microorganisms are eliminated. The combination of heat and moisture in the steam enhances the sterilization process, allowing for thorough penetration of the instruments, which is critical for maintaining a sterile environment and preventing infection. This makes autoclaves an indispensable part of infection control in dentistry and healthcare. Other options listed do not align with the main purpose of an autoclave. Cooling down instruments, storing dental tools, or drying equipment are tasks that do not involve the critical sterilization function performed by an autoclave.