A dentist cannot delegate which of the following procedures?

The correct answer highlights that endodontic procedures cannot be delegated by a dentist. This is due to the complexity and the specialized skills required to perform such procedures, which typically involve diagnosing and treating issues within the tooth pulp and surrounding tissues. Endodontics requires a high level of expertise, as it involves intricate techniques, the use of specialized instruments, and a thorough understanding of dental anatomy.

In contrast, procedures such as scaling and root planing, dental cleanings, and fabricating removable partial dentures can be delegated under supervision to dental hygienists and dental assistants, respectively, in most states. These tasks, while requiring training and competence, do not necessitate the same depth of specialized knowledge that endodontic treatment demands. Therefore, the inability to delegate endodontic procedures ensures that patients receive care from qualified professionals who possess the necessary expertise to handle potentially complicated dental issues.