All of the following must be included in the laboratory prescription and record for a patient receiving a removable partial denture EXCEPT:

Correct answer: D. Intra-oral photographs of the patient

• A. A written lab work authorisation is legally required in essentially every jurisdiction and must be retained.
• B. The impression and shade are essential technical items the laboratory cannot proceed without.
• C. Informed consent must be documented before any prosthodontic treatment begins.
• D. Correct — this is the EXCEPTION. Intra-oral photographs are useful clinical documentation and helpful for communication, but they are NOT a mandatory component of the record or the laboratory prescription for an RPD.