Enamel Tissue Structure

Question 1

Function of enamel

Answer 1

Form a protective covering of varying thickness over the surface of the crown

Question 2

Properties of enamel

Answer 2

Form a resistant covering, which makes the tooth suitable for chewing.

Question 3

What renders enamel brittle yet permeable?

Answer 3

The surface and hardness of enamel

Question 4

The surface and hardness of enamel render it….

Answer 4

Brittle yet permeable

Question 5

What is the hardest substance in the body?

Answer 5

Enamel

Question 6

Color of enamel

Answer 6

Yellow-white to grayish-white

Question 7

What determines the variances in color of enamel?

Answer 7

Differences in translucency

Question 8

What is the basic unit of the enamel structure?

Answer 8

Enamel rod

Question 9

Where do enamel rods begin? End?

Answer 9

DEJ; surface of the tooth

Question 10

What is the enamel rod made of?

Answer 10

Hydroxyapatite crystals with a rod sheath made of fibrous organic substance

Question 11

Composition of enamel?

Answer 11

96% inorganic and 4% water and organic materials

Question 12

What is the chemical formula for hydroxyapatite?

Answer 12

Ca10 (PO4)6 (OH)2