How far should you stand from the tubehead according to shielding rule 2?

The guideline to stand 6 feet away from the tubehead is based on the principles of radiation safety and minimizing exposure to scattered radiation. At this distance, the intensity of the scattered radiation significantly decreases, reducing the potential dose received by dental personnel. This precaution aligns with the recommendations made by health organizations, which advocate for maintaining a distance that is effective in minimizing radiation exposure during dental procedures involving X-rays.

Furthermore, adhering to this distance helps establish a safe working environment in dental practices. While the other distances provided in the choices may seem reasonable, the established standard of 6 feet has been widely accepted and utilized in dental settings, ensuring that practitioners, as well as patients, are safeguarded against unnecessary radiation exposure during dental imaging.