midterm

Question 1

prenatal growth stage

Answer 1

conception to birth (40 weeks)

Question 2

infancy growth stage

Answer 2

birth to second birthday

Question 3

childhood growth stage

Answer 3

females: 2-10
males: 2-12

Question 4

adolescence

Answer 4

females: 10-18
males: 12-20

Question 5

pubertal growth spurt for males

Answer 5

age 14

Question 6

pubertal growth spurt for females

Answer 6

age 12

Question 7

when should eruption of primary incisors occur by?

Answer 7

first birthday

Question 8

which primary teeth erupt first

Answer 8

primary mandibular central incisors

Question 9

which primary teeth erupt last

Answer 9

primary maxillary second moalrs

Question 10

when should primary dentition be completely erupted

Answer 10

third birthday

Question 11

normal range for an overbite

Answer 11

10-70%

Question 12

normal range for an overjet

Answer 12

2-4 mm

Question 13

clinical normal for a facial plane angle

Answer 13

89º = retrognathic

Question 14

clinical normal for mandibular plane angle

Answer 14

26º

Question 15

clinical normal range for nasolabial angle

Answer 15

90-110º

Question 16

clinical normal value for aesthetic plane

Answer 16

2-5 mm

Question 17

incidence rate of primary molars having a flush terminal plane relationship

Answer 17

76%

Question 18

incidence rate of primary molars having a distal-step terminal plane relationship

Answer 18

10%

Question 19

incidence rate of primary molars having a mesial-step terminal plane relationship

Answer 19

14%

Question 20

familial, race, and sex are _______ factors

Answer 20

genetic

Question 21

low birth weight, prematurity, nutrition are ______ factors

Answer 21

environmental

Question 22

endocrine system, hypopituitarism, hypothyroidism, delayed eruption are ______ factors

Answer 22

systemic

Question 23

premature loss of a tooth, supernumerary teeth, trauma, spacing are ______ factors

Answer 23

local

Question 24

beginning of calcification to enamel formation is how long

Answer 24

4-5 years

Question 25

exceptions for calcification to enamel formation time include which teeth

Answer 25

1st molars and canines

Question 26

how long does it take first molars to begin calcification -> enamel formation

Answer 26

3 years, so shorter than normal time

Question 27

how long does it take canines to begin calcification -> enamel formation

Answer 27

6 years, so longer than normal time

Question 28

eruption into oral cavity to root completion takes about ___ years

Answer 28

3

Question 29

interval between crown completion and eruption into occlusion is ___ years

Answer 29

5

Question 30

what age do first molars erupt

Answer 30

6 years and 3 months

Question 31

when should first molars be screened for pathologies

Answer 31

age 5

Question 32

what age do incisors erupt

Answer 32

7-8 years

Question 33

when should incisors be screened for pathologies

Answer 33

age 5

Question 34

what age do canines erupt

Answer 34

age 12

Question 35

when should canines be screened for pathologies

Answer 35

age 9

Question 36

what age to premolars erupt

Answer 36

age 12

Question 37

when should premolars be screened for pathologies

Answer 37

during mixed dentition stage

Question 38

incidence of Class I molar relationship in permanent dentition

Answer 38

59%

Question 39

incidence of a Class II molar relationship in permanent dentition

Answer 39

39%

Question 40

incidence of Class III molar relationship in permanent dentition

Answer 40

3%