OralHisto Long Quiz Midterms

Question 1

when does primary teeth develop

Answer 1

prenatal period

Question 2

how many teeth in primary dentition

Answer 2

20

Question 3

how many teeth in permanent teeth

Answer 3

32

Question 4

overlapping of primary and permanent teeth

Answer 4

mixed dentition

Question 5

physiological processes

Answer 5

induction
proliferation
differentiation
morphogenesis
maturation

Question 6

interaction between embryological cells

Answer 6

induction

Question 7

controlled cellular growth and accumulation of by-products

Answer 7

proliferation

Question 8

change in identical embryonic cells to become distinct structurally and functionally

Answer 8

differentiation

Question 9

development of specific tissue morphology or differing form due to embryonic cell migration and inductive interactions

Answer 9

morphogenesis

Question 10

attainment of adult form and size due to proliferation, differentiation, and morphogenesis

Answer 10

maturation

Question 11

morphologic stage/s in:
initiation

Answer 11

dental lamina

Question 12

morphologic stage/s in:
proliferation

Answer 12

bud stage
cap stage
early bell stage

Question 13

morphologic stage/s in:
histodifferentiation

Answer 13

bud stage
cap stage
early bell stage
advanced bell stage

Question 14

morphologic stage/s in:
morphodifferentiation

Answer 14

bud stage
cap stage
early bell stage
advanced bell stage
formation of enamel and dentin matrix

Question 15

most permanents are developed during?

Answer 15

fetal period

Question 16

the outer part of the ectoderm gives rise to?

Answer 16

oral epithelium
(primary epithelial band)

Question 17

the embryonic process in which one group of cells, the inducing tissue, directs the development of another group of cells, the responding tissue

Answer 17

embryonic induction

Question 18

oral epithelium is induced to produce?

Answer 18

dental lamina
and
vestibular lamina

Question 19

labial and buccal to the dental lamina; develop independently

Answer 19

vestibular lamina

Question 20

aka lip furrow band

Answer 20

vestibular lamina

Question 21

subsequently hollows and forms the oral vestibule between the alveolar portion of the jaws, lips and cheeks

Answer 21

vestibular lamina

Question 22

bud stage beginning week

Answer 22

8th week of prenatal development

Question 23

extensive proliferation of the dental lamina into buds/ oval masses that penetrate into the ectomesenchyme

Answer 23

bud stage

Question 24

at the end of this proliferation both arches will each have?

Answer 24

10 buds

Question 25

acellular structure that separates the oral epithelium and ectomesenchyme

Answer 25

basement membrane

Question 26

cap stage week

Answer 26

8-10th week (prenatal devt)

Question 27

unequal growth in different parts of the tooth bud

Answer 27

cap stage

Question 28

what physiological processes occur in cap stage

Answer 28

proliferation differentiation morphogenesis

Question 29

a depression results in the deepest part of each tooth bud forming the cap called the?

Answer 29

enamel organ

Question 30

enamel organ is derived from?

Answer 30

ectoderm

Question 31

what does enamel organ produce

Answer 31

enamel on the outer surface of the tooth

Question 32

the innermost margin of the cap shape

Answer 32

enamel organ

Question 33

a part of the ectomesenchyme deep to the buds has condensed into a mass within the concavity of the cap of the enamel organ

Answer 33

dental papilla

Question 34

produce the future dentin and pulp

Answer 34

dental papilla

Question 35

future dentinoenamel junction (DEJ)

Answer 35

basement membrane

Question 36

the remaining ectomesenchyme surrounding the outside of the enamel organ condenses into the?

Answer 36

dental sac or dental follicle

Question 37

the dental follicle produces?

Answer 37

periodontium (cementum, periodontal ligaments, alveolar bone)

Question 38

appear as an extension of the dental lamina into the ectomesenchyme lingual to the developing primary tooth germs

Answer 38

successional dental lamina

Question 39

bell stage week

Answer 39

11-12th week (prenatal devt)

Question 40

bell stage physiological processes

Answer 40

proliferation differentiation morphogenesis differentiation

Question 41

4 types of cells found during bell stage

Answer 41

IEE OEE stellate reticulum stratum intermedium

Question 42

outer cuboidal cells; protective barrier for the rest of the enamel organ during enamel production

Answer 42

OEE

Question 43

tall columnar cells; differentiate into ameloblasts

Answer 43

IEE

Question 44

enamel-secreting cells

Answer 44

ameloblast

Question 45

star shaped

Answer 45

stellate reticulum

Question 46

flat to cuboidal cells

Answer 46

stratum intermedium

Question 47

differentiates into odontoblasts

Answer 47

outer/peripheral cells

Question 48

dentin-secreting cells

Answer 48

odontoblast

Question 49

becomes the primordium of the pulp

Answer 49

inner/central cells

Question 50

final stage of odontogenesis

Answer 50

apposition

Question 51

matrices fully mineralize

Answer 51

maturation