Which method of sterilization utilizes heat and steam?

The method of sterilization that utilizes heat and steam is an autoclave. An autoclave is a specialized device designed to apply steam under pressure to achieve high temperatures, which effectively kills bacteria, viruses, fungi, and spores present on instruments and materials. This process is crucial in ensuring that all microbial life is eliminated, making tools safe for use in esthetic procedures.

The effectiveness of an autoclave lies in its ability to reach temperatures of around 121°C (or 250°F) for a designated time period, generally at least 15 minutes, which is sufficient to ensure thorough sterilization. This method is highly regarded in both medical and esthetic practices for its reliability and efficiency compared to other sterilization techniques.

In contrast, disinfection generally refers to the process of reducing the number of microorganisms to a level deemed safe, but it does not achieve sterilization in the same manner as an autoclave. Ultrasonic cleaning utilizes sound waves and liquid solutions to clean items but does not disinfect or sterilize through heat. Chemical sterilization relies on the use of chemical agents to kill microorganisms but does not involve the heat and steam that an autoclave does. This understanding of the autoclave's role in sterilization highlights its importance