Terminology 1

Question 1

Dental arches are

Answer 1

curving structure formed by the teeth in their normal position

Question 2

there are two arches…

Answer 2

max and mandibular

Question 3

max arch aka

mandibular arch

Answer 3

upper arch u, superior arch. looks like maximum

lower arch l, inferior. looks like medium

Question 4

saggital view is…this is where..

Answer 4

profile view. 2 parietal bones held together with sagittal suture

Question 5

dividing line between l and right sides of the maxillary and mandibular arches.

falls between central incisors.

serves as a reference point

Answer 5

midline

Question 6

each dentition consists of four…

each arch consists of…

Answer 6

quadrants

two quadrants

Question 7

numbering of quadrants begins from

Answer 7

UR(1) arch to the lower left(4)

Question 8

this arch doesnt move

Answer 8

maxillary

Question 9

upper and lower teeth do not occlude properly aka…

we see this when..

Answer 9

malocclusion

pt lose their teeth early–> shift. congenital missing tooth.

Question 10

importance of mastication

food is positioned..

Answer 10

increase SA so digestive enzymes break down faster

between cheek and tongue

Question 11

heterodont

homodont

Answer 11

teeth of different types. ex: incisors and molars

teeth of only one type ex:dolphins

Question 12

having only one set of teeth without deciduous dentition. get no replacement

Answer 12

monophyodont. ex: beluga whales

Question 13

having two successive teeth. the deciduous set and then permanent set.

Answer 13

diphyodont. humans and most mammals

Question 14

type of dentition in which teeth are continuously shed and replaced during the lifetime of the animal

Answer 14

polyphyodont. ex: sharks

Question 15

types of dentitions:
cute/ little/ lots of spacing

Diff sizes/some spacing here and there/ proportions look off

Same size/little to no spacing

Answer 15

primary dent

mixed dent

permanent dent

Question 16

primary dent consists of how many teeth?

they are..

develop at:

Answer 16

20

4 first molars
4 2nd molars
4 canines
4 laterals
4 centrals

14 weeks in utero until 3 yo

Question 17

primary dentition does NOT have

Answer 17

premolars

Question 18

first primary tooth erupts at:

last primary tooth erupts at:

Answer 18

6 months

28+/-4 months

Question 19

maxillary of primary dent

mand of primary dent

Answer 19

a-j

k-t