Which procedure is typically avoided to maintain effective ultrasonic cleaning?

Overloading the cleaning unit is typically avoided to maintain effective ultrasonic cleaning because it can significantly hinder the cleaning process. When too many instruments are placed in the ultrasonic cleaner at once, they can cause interference with the sound waves generated during cleaning. This interference can create "shadowing" where certain areas of the instruments do not receive adequate exposure to the ultrasonic waves, leading to insufficient cleaning. Additionally, an overloaded unit may not allow the cleaning solution to circulate freely, which is essential for the effective removal of debris and contaminants. Proper loading is crucial to ensure that each instrument is thoroughly cleaned and that the ultrasonic waves can effectively reach all surfaces.

In contrast, using a detergent, rinsing instruments, and adjusting cleaning times according to guidelines are practices that generally enhance the effectiveness of ultrasonic cleaning. These actions are part of standard procedures to ensure instruments are cleaned efficiently and safely. Proper detergents can assist in breaking down contaminants, rinsing removes loosened debris, and adhering to guidelines helps ensure that the cleaning process is appropriately timed for optimal results.