Australian Dental Council (ADC) Practice Test

The method referred to as dental cavity toilet involves preparing a cavity for restoration by ensuring that it is clean and free of debris, bacteria, and necrotic tissue. The purpose of this process is to provide a suitable environment for the restorative material that will be placed afterward.

Among the methods listed, the use of mechanical cleaning, water use, and application of alcohol are all recognized techniques for achieving a clean cavity. Mechanical cleaning typically involves the use of hand instruments or rotary tools to physically remove debris and decay. Water may be employed to rinse the cavity and remove loose particles, and alcohol can be used for disinfection purposes, helping to reduce bacterial load within the cavity.

Chemical agents, on the other hand, are more commonly utilized for purposes such as cavity disinfection or to assist in the remineralization of tooth structure, but they are not routinely referred to as a method of dental cavity toilet. Instead, mechanical cleaning, water, and alcohol are direct approaches that align specifically with the concept of cavity toilet, as they clean the area in a manner that prepares it for successful restoration.

Therefore, identifying chemical agents as not being a method of cavity toilet is accurate as they do not serve the primary function of cleaning the cavity in the same way the other