Which term is defined as the stone or plastic replica obtained from the impression?

Which term is defined as the stone or plastic replica obtained from the impression?

• A. Impression
• B. Final Impression
• C. Bite Rims
• D. Model

Answer: (D)

An impression is a negative mold of the teeth and surrounding area. The stone or plastic replica obtained from that impression is the model (also referred to as a cast). This positive reproduction is what the dental laboratory uses to study the dentition, create wax patterns, and fabricate crowns, bridges, or dentures. The impression, particularly a final impression, aims to capture all details of the prepared surfaces for accurate fabrication, while bite rims are used to establish occlusion and vertical dimension and are not the replica itself.

An impression is a negative mold of the teeth and surrounding area. The stone or plastic replica obtained from that impression is the model (also referred to as a cast). This positive reproduction is what the dental laboratory uses to study the dentition, create wax patterns, and fabricate crowns, bridges, or dentures. The impression, particularly a final impression, aims to capture all details of the prepared surfaces for accurate fabrication, while bite rims are used to establish occlusion and vertical dimension and are not the replica itself.