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Which of the following is a projection of the basal or secretory end of each ameloblast that faces the dentinoenamel junction?


A) Enamel spindle
B) Tomes process
C) Tomes granular layer
D) Hunter-Schreger bands

E) B) and D)
F) A) and B)

Correct Answer

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Which of the following is an enamel loss that results from friction caused by excessive toothbrushing and abrasive toothpaste?


A) Abrasion
B) Erosion
C) Abfraction
D) Attrition

E) B) and C)
F) B) and D)

Correct Answer

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Which of the following occurs in mature enamel due to wearing away of hard tissue as a result of tooth-to-tooth contact,especially with increased age?


A) Abrasion
B) Erosion
C) Abfraction
D) Attrition

E) A) and B)
F) A) and C)

Correct Answer

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Which of the following can occur with an excessive amount of systemic fluoride during tooth development?


A) Enamel caries
B) Enamel dysplasia
C) Enamel erosion
D) Enamel abfraction

E) A) and D)
F) All of the above

Correct Answer

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Which of the following permanent teeth usually show the most attrition of enamel over time?


A) First molars
B) Second molars
C) Third molars
D) All equally show attrition

E) B) and D)
F) B) and C)

Correct Answer

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