Answer :
Final answer:
The program used by dental labs to evaluate and improve dental prostheses is Quality control, which includes the inspection of materials, fit, appearance, and functionality to maintain high standards.
Explanation:
The program used to evaluate and improve dental prostheses fabricated by a lab is a) Quality control. Quality control in dental laboratories involves a series of procedures and measures to ensure that dental prostheses meet specific standards of quality before they are delivered to the dentist and, ultimately, to the patient. These measures may include the inspection of materials, the accuracy of the fit, the aesthetic appearance, and the functionality of the prosthesis. These steps are essential for maintaining high standards and ensuring patient satisfaction and safety.