<prompt> A dimensionally accurate reproduction of a part of the oral cavity or extraoral facial structures that is produced in a durable hard material?ModelDieCastimpression  <response>: Cast-Positive dimensionally accurate replica of a part of oral cavity or extraoral facial structures in a durable hard dental materialModel-Positive replica of teeth, soft tissues, and related structures can be used for the construction of orthodontic and prosthetic appliances and mostly used as a diagnostic aiddisplay purposepatient educationDie-Positive dimensionally accurate replica of prepared tooth 