Dental Anatomy - Tooth Structures and Surfaces

This portion of the tooth is covered by enamel

• Clinical crown

• Anatomical root

• Anatomical crown

• Clinical root

This portion of the tooth is covered with cementum

• Clinical crown

• Anatomical root

• Anatomical crown

• Clinical root

Identify the image with the arrows pointing to the facial surfaces of the dentition.

• 
• 
• 
• 

Identify the marked line angle on the facial of tooth #19

• Bucco-incisal

• Mesiobuccal

• Linguo-occlusal

• Bucco-occlusal

Identify the line angle marked on the distal of tooth #27

• Distolingual

• Distoincisal

• Distofacial

• Disto-occlusal

Identify the marked line angle on the distal of tooth #27

• Distolingual

• Distofacial

• Distobuccal

• Distomesial

The marked line angle in this image of the lingual of tooth #3 is the distolingual line angle. Distolingual line angles can only be found on posterior teeth.

• Booth sentences are true.

• Both sentences are false.

• The first sentence is true. The second sentence is false.

• The first sentence is false. The second sentence is true.

This tooth structure is a hard, mineralized tissue which covers dentin.

• Cementum

• Bone

• Pulp

• Enamel

Identify the marked line angle on the lingual of tooth #9

• Linguo-occlusal

• Linguoincisal

• Mesiolingual

• Distolingual

The black line on the lingual of tooth #9 is known as the cervical line. This junction is known as the dentino-enamel junction.

• Both sentences are true.

• Both sentences are false.

• The first sentence is false. The second sentence is true.

• The first sentence is true. The second sentence is false.