Regarding the work authorization sent by the dentist to the dental laboratory, which of the following is MOST accurate?

Correct answer: B. The dentist is responsible for the accuracy of the prescription and instructions to the lab

• A. Dental assistants cannot independently authorize laboratory work — a licensed dentist must sign the work authorization in most states.
• B. CORRECT. The work authorization (lab prescription) is a legal document that must be signed by the licensed dentist. The dentist is responsible for providing accurate clinical specifications (shade, design, occlusal relationship, materials). The laboratory technician fabricates according to these instructions but is not legally responsible for clinical decisions made without proper authorization.
• C. The laboratory performs the technical fabrication but must follow the dentist's prescription. Final clinical responsibility lies with the dentist.
• D. While patients share in esthetic decisions through informed consent, legal responsibility for the accuracy of the lab prescription rests with the dentist.