CDC Dental Terminology & Anatomy 2

Question 1

Which anatomical landmark is the junction between the enamel and cementum on a tooth?

Accepted Answer

Cementoenamel junction (CEJ)

Answer

The cementoenamel junction (CEJ) is where enamel of the crown meets cementum of the root.

Question 2

The term 'mesial' in dental anatomy refers to which direction?

Accepted Answer

Toward the midline of the dental arch

Answer

Mesial refers to the surface or direction closest to the midline of the dental arch.

Question 3

What is the name of the fibrous connective tissue that anchors the tooth to the alveolar bone?

Accepted Answer

Periodontal ligament (PDL)

Answer

The periodontal ligament (PDL) consists of collagen fibers that suspend and anchor the tooth within the alveolar socket.

Question 4

Which term describes the biting surface of posterior teeth?

Accepted Answer

Occlusal

Answer

The occlusal surface is the chewing or biting surface found on premolars and molars.

Question 5

What is 'alveolar bone'?

Accepted Answer

The bone that surrounds and supports the tooth roots

Answer

Alveolar bone is the specialized bone that forms the tooth sockets (alveoli) and supports the teeth.

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