Which common dental procedure is NOT subject to SBE prophylaxis requirement?

Radiographic imaging is not subject to the requirement for SBE prophylaxis. The rationale behind this is that SBE, or subacute bacterial endocarditis, associated prophylaxis is typically recommended for dental procedures that are likely to result in significant bleeding and where bacteria could enter the bloodstream, potentially leading to endocarditis. Procedures like tooth extraction, dental implant placement, and certain orthodontic procedures can involve manipulation of the gums or supporting tissue, which increases the risk of bacteremia.

In contrast, radiographic imaging is a diagnostic procedure that does not typically involve any manipulation of soft tissue or gum, and therefore, it is considered to have a negligible risk of causing infection in patients susceptible to SBE. This distinction makes radiographic imaging the correct choice when considering procedures that do not require prophylaxis for SBE.