Anatomy of Teeth

What is the visible portion of the tooth above the neck called?

• Crown

• Root

• Neck

• Enamel

Which tissue covers the tooth's root?

• Enamel

• Cementum

• Dentin

• Pulp

What is the dentin enamel junction also known as?

• DEJ

• DCJ

• Pulp Chamber

• Apical Foramen

Which tissue contains living tissue such as vessels, nerves, and cells?

• Enamel

• Cementum

• Dentin

• Pulp

What is the dentin's mineral content?

• 70%

• 60%

• 50%

• 40%

What is the function of dental tubules?

• Transfer nutrients from the pulp to the dentin

• Protect the tooth from cavities

• Anchor the tooth to the alveolar bone

• Maintain the enamel layer

Which tissue is responsible for tooth nutrition, sensation, and immune defense?

• Enamel

• Cementum

• Dentin

• Pulp

What are the four types of teeth in the mouth?

• Incisors, Canines, Premolars, Molars

• Front Teeth, Back Teeth, Upper Teeth, Lower Teeth

• Enamel, Cementum, Dentin, Pulp

• Hard Tissue, Soft Tissue, Bone Tissue, Nerve Tissue

Which tissue in the tooth is the hardest substance in the human body?

• Enamel

• Cementum

• Dentin

• Pulp

What is the purpose of the periodontal ligament?

• To attach the gingiva to the teeth

• To cover the tooth's root

• To transfer nutrients to the dentin

• To anchor the tooth to the socket