Which one of the following options summarises the need for standard precautions to be followed at all times in the dental workplace?

The need for standard precautions to be followed at all times in the dental workplace is summarized well by the idea that a healthy carrier cannot be identified. In dentistry, it's crucial to assume that any patient could potentially harbor infectious agents, even if they appear healthy.

Standard precautions are designed to reduce the risk of transmission of bloodborne and other pathogens by treating all patients as if they may be infectious. This practice is vital because many diseases can be asymptomatic or may not show clear indicators in a person prior to the onset of illness. By adhering to standard precautions—such as using personal protective equipment, proper hand hygiene, and sterilization techniques—dental professionals can safeguard themselves and their patients effectively.

This assumption helps create a universally safe environment in healthcare settings, enabling preventive measures that are applicable regardless of the perceived health of the patient, enhancing overall safety and health standards within the dental practice.