Ortho2 Final Oucod 2008

Front 1

tooth size and arch form are basically genetically determined T/F

Back 1

true

Front 2

the most common orthodontic problem identified by patients is what

Back 2

clinical crowding

Front 3

what is the most common accessional tooth to be congenitally absent

Back 3

3rd molars

Front 4

what is the most common successional tooth to be congenitally absent

Back 4

second premolars

Front 5

which teeth are the common causes of crossbite in preschoolers

Back 5

maxillary primary canine

Front 6

what is the expected, future posterior relationship of a distal step in malocclusion in preschoolers

Back 6

class II permanent first molar that does not self correct

Front 7

what is the most common molar relationship in a general population of children who are in the middle transitional dentition

Back 7

flush terminal plane (???)

Front 8

which maxillary arch form is most commonly associated with class II division I malocclusions

Back 8

tapered/v-shaped

Front 9

which maxillary arch form is most commonly associated with class II division II malocclusions

Back 9

square

Front 10

what is the most common arch form found in the mandibular arch

Back 10

ovoid

Front 11

what is another name for nasim-pogonion line

Back 11

facial plane

Front 12

where is the vertex for angle of convexity

Back 12

A point

Front 13

which orthodontic impression is taken first (maxillary/mandibular)

Back 13

mandibular

Front 14

what teeth are used in predicting posterior space available in the MDA

Back 14

mandibular permanent incisors

Front 15

what is the minimum amount of crowding in an arch that is needed for the arch to be called severely crowded

Back 15

7-8 mm (?)

Front 16

angle's classification is based on the permanent second molars if the permanent first molars are missing T/F

Back 16

true

Front 17

what plane of space in the occlusion or the face matures first

Back 17

transverse

Front 18

which is trimmed first with orthodontic study models

Back 18

top of base opposite the occlusal surface on the maxillary cast

Front 19

if the left side of the malocclusion is normal with the right side class II, what do you call the problem

Back 19

class II subdivision right

Front 20

where do you place the YELLOW copy of the orthodontic tx plane

Back 20

placed under the pedo tx plan on the left side of the pt chart

Front 21

which variable is associated with divergence of the profile

Back 21

facial angle

Front 22

which plane of space is effected with anterior crossbite

Back 22

sagittal

Front 23

overbite is measured in millimeters while overjet is measured in percentage T/f

Back 23

F: overbite is in percentage while overjet is in mm

Front 24

how tall are ortho models for children in the transitional dentition

Back 24

2 3/4 inches (2.75) or 70 mm

Front 25

how tall are orthodontic models for preschoolers in the primary dentition

Back 25

2 inches or 50 mm

Front 26

how many millimeters should you expect to go to a class I from a class II molar relationship

Back 26

5-7 mm (?)

Front 27

the soft tissue profile mirrors the underlying hard tissue profile T/F

Back 27

false

Front 28

what is the major difference between a young permanent dentition and one that is an adolescent dentition

Back 28

permanent second molars

Front 29

where do you find most supernumeray permanent teeth

Back 29

maxillary anterior region

Front 30

what follows inititiation and proliferation in tooth growth

Back 30

morphodifferentiation and histodifferentiation

Front 31

for /1 to Apog, where do you measure on the mandibular incisor

Back 31

perpidinicular INCISAL EDGE of the lower incisor to the A pog line

Front 32

what is the major horizontal reference line used in the Tweed Analysis

Back 32

frankfort horizontal

Front 33

which teeth are involved with cephalometric correction factor

Back 33

permanent first molars (?)

Front 34

with the MDA, which teeth that are clinically crowded must be repositioned through summation and working the change on the cast to help determine SPACE AVAILABLE

Back 34

permanent incisors (?)

Front 35

how does curve of spee correction usually effect arch length with its correction of a malocclusion

Back 35

decreases it in the mandible ( for sure decreases but not sure if it is mandible or maxilla)

Front 36

what is the centile that is usually used for the MDA

Back 36

75%

Front 37

which teeth are usually ankylosed

Back 37

primary molars

Front 38

what is the CAUSE of most crowded malocclusions

Back 38

narrow arches

Front 39

what is the eruption sequence for primary dentition

Back 39

ABCDE

Front 40

what is the eruption sequence for permanent mandibular dentition in boys

Back 40

61234758

Front 41

what is the eruption sequence for permanent maxillary dentition in boys

Back 41

61245378

Front 42

what is the eruption sequence for permanent mandibular dentition in girls

Back 42

16243578

Front 43

what is the eruption sequence for permanent maxillary dentition in girls

Back 43

61234578

Front 44

at what chronological age is deafness usually noticed

Back 44

6 months of age

Front 45

when is menarche reached on average in the US and how does this correlate to maximum facial growth

Back 45

12 years of age with maximum facial growth 6-12 months prior

Front 46

what is the age of the child or the timing for radiographic surverys

Back 46

2 panos generally indicated, one at age 5-8 when the permanent incisors are erupting, and one around age 12 to analyze canines and 2nd molars as well as 3rd molars.

Front 47

what is the value for 1 standard deviation? 2? 3?

Back 47

1 SD: 68%, 2 SD: 95%, 3 SD: 99.7%

Front 48

when is the triad of walking, walking, and toilet training usually accomplished

Back 48

2-3 years of age

Front 49

when does the sesamoid bone in the hand mineralized in relation to maximum dentofacial growth

Back 49

6months - 1 year prior to max dentofacial growth

Front 50

what are the 4 scammon curves in order of their dev't

Back 50

lymphoid, neural, genital, and general/somatic