Dental Imaging and Interpretation Quiz

Dental Imaging and Materials

• A dental restoration that appears completely radiopaque on a dental image is a gold inlay.
• Radiolucent refers to a material or structure that allows X-rays to pass through, appearing dark or less dense on a dental image.
• It is important for the dental professional to interpret dental images while the patient is present to ensure accurate diagnosis and immediate discussion of findings.
• Gutta-percha appears radiopaque and similar in density to base materials, making it a commonly used material in endodontic therapy.
• The typical base material of a complete denture is composed of acrylic resin.

Dental Restorations and Materials

• Cobalt-chromium alloy appears radiopaque and is usually seen with wrought-metal clasps in removable partial dentures.
• Miniplates and screws appear as thin radiopaque lines and are used in oral surgery to stabilize fractures of the maxilla and the mandible.
• A cast gold restoration appears completely radiopaque and exhibits a smooth marginal outline.

Cavity Preparation and Restorations

• The main purpose of a base material in a cavity preparation is to provide a strong foundation for the restoration and protect the tooth from further damage.
• An amalgam overhang is a type of defect that occurs when excess amalgam is not properly carved away, resulting in a projecting edge of the restoration.
• A porcelain-fused-to-metal crown appears as a radiopaque restoration with a thin radiolucent line at the cervical margin on a dental image.