Which of the following is used to provide protection for the patient during radiographic procedures?

Using a lead apron is crucial during radiographic procedures because it serves to protect the patient's body from unnecessary exposure to ionizing radiation. The lead material in the apron absorbs the radiation, significantly reducing the dose that reaches the vital organs and tissues. This is particularly important in dental radiography, where the head and neck region is often exposed to radiation for diagnostic purposes.

In addition to protecting organs, lead aprons help ensure that patients are safeguarded from potential cumulative defects that could arise from repeated radiation exposure. The use of a lead apron, therefore, aligns with safety protocols and regulations aimed at minimizing radiation risks in dental practices and ensuring patient safety.

Other options, while important for different kinds of safety, do not specifically address the radiation protection aspect during radiographic procedures. A face shield is useful for protecting the clinician and patient from bodily fluids and debris, a mouth guard is typically used in certain dental treatments to protect teeth or jaws, and gloves are essential for maintaining hygiene and preventing cross-contamination, but they do not provide protection against radiation exposure.