Chapter 1

Question 1

Damage at what stage of development leads to peg laterals, macrodontia, mulberry molars, and talon cusps?

Answer 1

Morphodifferentation

Question 2

When does human tooth development begin?

Answer 2

begin in the 6th week of embryonic life

Question 3

When does calcification of primary maxillary central incisors begin?

Answer 3

14 weeks in utero

Question 4

Microdontia/macrodontia of teeth is because of damage in what stage of development?

Answer 4

morphodifferentiation

Question 5

Damage at what stage of development leads to AI or DI?

Answer 5

Histodifferentiation

Question 6

Problems with initiation and proliferation lead to what?

Answer 6

supernumerary or anodontia

Question 7

At birth, which teeth are in the process of calcification?

Answer 7

all primary teeth and first permanent molars

Question 8

Problems with histodifferentiation lead to…

Answer 8

amelogenesis imperfecta, dentinogenesis imperfecta

Question 9

The crowns of all permanent teeth (with exception of wisdom teeth) are calcified by age…

Answer 9

8 years; tetracycline cannot be given until after 8 years of age

Question 10

“Oral contraceptives: the antibiotic may render the oral contraceptive ineffective for up to ___ week(s) after the last dose. example: rifampicin, penicillin, tetracycline

Answer 10

1 week

Question 11

When does macroscopic morphologic development begin?

Answer 11

11 weeks in utero

Question 12

Growth curves - at what percentile do you refer?

Answer 12

below 3% above 97%

Question 13

Damage at what stage leads to enamel hypoplasia?

Answer 13

Apposition