Advanced Dental Radiology Quiz

1. What is the common term for the bony bumps that can form on the lower jaw near the tongue?

Cavity

Dental Plaque

Bruxism

Mandibular Tori are bony growths that typically appear on the inner side of the lower jaw near where the teeth meet the jaw. They are not related to dental plaque, cavities, or bruxism.

Explanation

Mandibular Tori are bony growths that typically appear on the inner side of the lower jaw near where the teeth meet the jaw. They are not related to dental plaque, cavities, or bruxism.

2. What is the white substance that makes up the majority of a tooth's structure?

Enamel

Dentin

Cementum

Pulp

Dentin is the hard, dense, bony tissue forming the bulk of a tooth beneath the enamel. Enamel is the hard, outer layer that covers the crown of a tooth. Cementum is the part of the tooth that covers the tooth root. Pulp is the soft tissue found inside the tooth.

Explanation

Dentin is the hard, dense, bony tissue forming the bulk of a tooth beneath the enamel. Enamel is the hard, outer layer that covers the crown of a tooth. Cementum is the part of the tooth that covers the tooth root. Pulp is the soft tissue found inside the tooth.

3. What are accessory canals?

Additional lanes on a highway

A type of hair accessory

Small tubes connecting different parts of the body

Accessory canals

Accessory canals are small pathways or canals that branch off from the main root canal system within the root structure of teeth.

Explanation

Accessory canals are small pathways or canals that branch off from the main root canal system within the root structure of teeth.

4. What is the bony ridge located on the outside of the mandible?

External oblique ridge

Zygomatic arch

Incisive foramen

Mental foramen

The external oblique ridge is a bony ridge located on the lateral side of the mandible, while the zygomatic arch, mental foramen, and incisive foramen are structures located in different areas of the skull.

Explanation

The external oblique ridge is a bony ridge located on the lateral side of the mandible, while the zygomatic arch, mental foramen, and incisive foramen are structures located in different areas of the skull.