What is the role of an EFDA in tooth whitening procedures?

An Expanded Function Dental Assistant (EFDA) plays a crucial role in tooth whitening procedures, primarily by assisting in the application of whitening agents and providing patients with aftercare instructions. This contribution is vital as it helps ensure that the procedure is conducted smoothly and that patients understand how to maintain their results and care for their oral health post-treatment.

The EFDA’s involvement includes preparing the whitening materials, applying them correctly, and ensuring the patient's comfort throughout the process. After the procedure, the EFDA provides essential guidance on how to care for teeth, what to expect in terms of results, and any potential side effects, thus enhancing patient satisfaction and safety.

In contrast, the other options do not accurately reflect the appropriate responsibilities of an EFDA in this context. Administering anesthesia is typically within the realm of licensed dental professionals like dentists or hygienists rather than an EFDA. Additionally, administering whitening agents independently, without guidance from a dentist, is outside the scope of practice for an EFDA. Finally, while evaluating the success of treatment is important, it should be done in conjunction with professional oversight and isn’t the sole responsibility of the EFDA. Thus, option C accurately captures the supportive and educational role that an EFDA has in tooth whitening procedures.