Dentistry

Question 1

Enamel

Answer 1

Outer covering of crown that has no sensory capacity, elasticity, or flexibility

Question 2

Dentin

Answer 2

Makes up the bulk of the tooth
Second hardest tissue in the body
Sensitive to heat, cold, and touch

Question 3

Pulp

Answer 3

Interior cavity
Rich with blood vessels, nerves, and lymphatics
Registers pain and quickly becomes contaminated, inflamed, and necrotic if exposed

Question 4

Cementoenamel Junction (CEJ)

Answer 4

junction between the crown and the root

Question 5

Periodontium

Answer 5

Tooth supporting structure
Collection of supporting structures surrounding the teeth

Question 6

Cementum

Answer 6

Avascular and bonelike material that covers the root
Attached to the bone by periodontal ligament fibers
Constantly undergoing resorption and repair

Question 7

Periodontal Ligament

Answer 7

Holds the tooth in the alveolus by attaching the tooth to the alveolar bone
Absorbs shock of impact, protects vessels and nerves, registers pain and tactile pressure, and supplies nutrients to alveolar bone and cementum

Question 8

Alveolar Bone

Answer 8

Surrounds and supports the teeth
Constantly remodeling internally yet remains constant throughout adult life

Question 9

Gingiva

Answer 9

Soft tissue providing epithelial attachment
first line of defense

Question 10

Free gingiva

Answer 10

most coronal gingiva, is not directly attached to the tooth, and forms the sulcus

Question 11

Attached gingiva

Answer 11

Apical to free gingiva