Tooth Anatomy and Numbering

What is the posterior surface that contacts the cheek?

• Facial

• Mesial

• Buccal

• Lingual

The ______ surface is the most directly in contact with the tongue.

• Incisal

• Distal

• Occlusal

• Lingual

Which surface is "towards the midline" and "towards the back of the mouth" in that respective order?

• Incisal, Lingual

• Mesial, Distal

• Distal Mesial

• Distal, Occlusal

Which two surfaces are used for biting and/or chewing?

• Incisal, Occlusal

• Incisal, Buccal

• Occlusal, Buccal

• Lingual, Incisal

What is the anterior surface of the teeth that contacts the lip?

• Distal

• Mesial

• Buccal

• Facial

What is the crown of the tooth made up of?

• Alveolar Bone

• Cementum

• Dentin

• Enamel

What is dentin?

• Hard bone-like tissue outlining roots

• hard yellow tissue under enamel and cementum; protects pulp and nerves

• Center of the tooth, mainly under area of crown/canals of root that nerves and blood vessels run through

• Forms the tooth socket and is the main structural support of tooth

What is cementum?

• Hard bone-like tissue outlining roots

• Hard, white outer layer of the crown

• Delivers signals from pain or sensitization to brain

• hard yellow tissue under enamel and cementum; protects pulp and nerves

The purpose of the alveolar bone is all of the following except:

• Forms the tooth socket

• structures and holds the roots in place

• main structural support of the tooth

• Delivers signals from pain or sensitization

How many roots do maxillary (upper) molars have versus mandibular (lower)?

• 3, 2

• 3, 3

• 2, 3

• 2, 2