Enamel and Dentin Quiz

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Dental structure facts

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Reham Salem

Egypt

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Froggy Jumps Enamel and Dentin QuizOnline version Dental structure facts by Reham Salem 1 1. The inorganic content of enamel is: a b) 4% by volume. b c) 96 % by weight. c a) 4 % by weight. 2 2. The size of the pulp cavity: a a) Decrease with age. b b) Degenerates by age. c c) Does not change with age. 3 3. Dentin is considered a living tissue due to the presence of: a c) Odontoblastic cell processes. b a) Collagen fibers. c b) Inorganic content. 4 4. Dentin- enamel junction (DEJ) is: a b) less mineralized than enamel and more mineralized than dentin. b a) Less mineralized than dentin. c d) More mineralized than enamel. 5 5. Acid etching of enamel is a clinical significance of: a b) Enamel permeability. b c) Enamel rigidity. c a) Enamel hardiness. 6 6. Enamel hardness: a b) Equal to the hardness of dentin. b a) Decrease from the surface toward the dentino-enamel junction. c c) Increase from the surface toward the dentino-enamel junction. 7 7. Localized formation of dentine as a reaction to trauma such as caries or restorative procedure: a b) Primary dentin. b d) Tertiary dentin. c a) Peritubular dentine. 8 8. Peritubular dentin is: a c) Hypomeniralized than intertubular dentin b a) Hypermeniralized than intertubular dentin. c b) Hypermeniralized than intratubular dentin 9 9. Failure or compromised coalescence of the enamel of the developmental lobes results in a deep invagination in the enamel surface and is termed: a b) Fossa. b a) Fissure. c c) Groove. 10 10. By age dentin become: a a) Less hard and less sensitive. b b) Less hard and more sensitive. c c) More hard and less sensitive.

Froggy Jumps

Enamel and Dentin QuizOnline version

Dental structure facts

by Reham Salem

1. The inorganic content of enamel is:

b) 4% by volume.

c) 96 % by weight.

a) 4 % by weight.

2. The size of the pulp cavity:

a) Decrease with age.

b) Degenerates by age.

c) Does not change with age.

3. Dentin is considered a living tissue due to the presence of:

c) Odontoblastic cell processes.

a) Collagen fibers.

b) Inorganic content.

4. Dentin- enamel junction (DEJ) is:

b) less mineralized than enamel and more mineralized than dentin.

a) Less mineralized than dentin.

d) More mineralized than enamel.

5. Acid etching of enamel is a clinical significance of:

b) Enamel permeability.

c) Enamel rigidity.

a) Enamel hardiness.

6. Enamel hardness:

b) Equal to the hardness of dentin.

a) Decrease from the surface toward the dentino-enamel junction.

c) Increase from the surface toward the dentino-enamel junction.

7. Localized formation of dentine as a reaction to trauma such as caries or restorative procedure:

b) Primary dentin.

d) Tertiary dentin.

a) Peritubular dentine.

8. Peritubular dentin is:

c) Hypomeniralized than intertubular dentin

a) Hypermeniralized than intertubular dentin.

b) Hypermeniralized than intratubular dentin

9. Failure or compromised coalescence of the enamel of the developmental lobes results in a deep invagination in the enamel surface and is termed:

b) Fossa.

a) Fissure.

c) Groove.

10. By age dentin become:

a) Less hard and less sensitive.

b) Less hard and more sensitive.

c) More hard and less sensitive.

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Enamel and Dentin Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Enamel and Dentin QuizOnline version

by Reham Salem

1. The inorganic content of enamel is:

2. The size of the pulp cavity:

3. Dentin is considered a living tissue due to the presence of:

4. Dentin- enamel junction (DEJ) is:

5. Acid etching of enamel is a clinical significance of:

6. Enamel hardness:

7. Localized formation of dentine as a reaction to trauma such as caries or restorative procedure:

8. Peritubular dentin is:

9. Failure or compromised coalescence of the enamel of the developmental lobes results in a deep invagination in the enamel surface and is termed:

10. By age dentin become:

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