Exam 3

Question 1

A single cone is

Answer 1

haplodont

Question 2

Three cusps in line

Answer 2

triconodont

Question 3

three cusps in a triangle

Answer 3

tritubercular molar

Question 4

four cusps in a quadrangle

Answer 4

quadritubercular molar

Question 5

Haplodont animal example

Answer 5

alligator teeth

Question 6

Haplodont is the simplest

Answer 6

form of a tooth, single cone

Question 7

In Hapolodont, how do animals swallow?

Answer 7

whole

Question 8

In hapolodont, there is no

Answer 8

occulsion of the teeth

Question 9

Quadritubercular example

Answer 9

apes and humans

Question 10

Quadritubercular what contacts?

Answer 10

4 cusps that have occlusal contacts between max and mand

Question 11

What do lobes represent?

Answer 11

a primary center of formation

Question 12

All teeth are a combination of

Answer 12

four or more lobes

Question 13

Facial and lingual aspects are what shape?

Answer 13

trapezoids of various dimensions

Question 14

In the facial and lingual aspects are trapezoids, the short side is the _________ and the long side is the _________

Answer 14

short side is the base of the crown (cerivical) and long side is the occlusal or working surfaces of crown.

Question 15

The trapezoid shapes allows for

Answer 15

interproximal spaces with interproximal tissue, space between the roots that allow for sufficient bone, each tooth contacts an adjacent tooth which protects interproximal gingiva, and each tooth has two antagonist in opposite arch.

Question 16

What teeth dont have two anatongists?

Answer 16

Mandibular centrals and Max 3rd molars

Question 17

If a tooth is lost, this arrangement prevents

Answer 17

extrusions and stabilize remaining teeth

Question 18

Mesial/Distal Anterior teeth have what type of shape?

Answer 18

triangular shape

Question 19

Mesial/Distal Anterior teeth have a wide base for

Answer 19

strength

Question 20

Mesial/Distal anterior teeth have a tapered

Answer 20

outline (labially and lingually) narrowing to a thin ridge (incisal edge) which facilitates food penetration

Question 21

Mesial/Distal Maxillary Posterior teeth have a

Answer 21

trapezoid shape

Question 22

On the mesial/distal maxillary posterior teeth the occlusal surfaces are more ______ which mean the tooth can

Answer 22

constricted; force into food more easily

Question 23

If occlusal surface was as wide as base,

Answer 23

forces of mastication would multiply

Question 24

Mesial/Distal Mandibular Posterior have a ______ shape

Answer 24

rhombodial

Question 25

The rhombodial shape

Answer 25

inclines the crowns to the lingual

Question 26

Primary function of teeth is

Answer 26

mastication (chewing) and digestion of food, speech, and personal appearance

Question 27

Occlusion

Answer 27

when mandibular teeth come into contact with maxillary teeth

Question 28

Buccal and lingual contours direct

Answer 28

food to and away from gingiva

Question 29

Inadequate stimulation occurs if

Answer 29

contour is too great (over-contoured)

Question 30

Over stimulation occurs if

Answer 30

contour is not enough (under-contoured)

Question 31

Over-contoured/under-contoured _______ should be avoided if possible

Answer 31

restorations

Question 32

Proximal contacts

Answer 32

area where two adjoining teeth make contact

Question 33

Proximal contacts help

Answer 33

protect soft tissues

Question 34

Proximal contacts the contact is

Answer 34

most occlusal/incisal boundary of interproximal space

Question 35

Proximal contacts other boundaries are

Answer 35

alveolar bone at base and proximal surfaces of adjacent teeth

Question 36

Gingival or interdental papilla

Answer 36

gingiva within the interproximal space

Question 37

Cervicoenamel ridge/cervical ridge which corresponds to

Answer 37

height of contour

Question 38

greatest area of contour (height of contour) as seen from facial or lingual

Answer 38

contact area

Question 39

Overall root form or shape, size, and number related to

Answer 39

work of the tooth

Question 40

Angle and position of ________ is important

Answer 40

incisal/occlusal

Question 41

Occlusal and incisal surfaces of all crowns in either arch don't

Answer 41

contact a flat plane

Question 42

greatest area of contour (height of contour) as seen from the meisal/distal view is

Answer 42

the cervical ridge

Question 43

Posterior tooth job

Answer 43

forces/chew

Question 44

Anterior tooth job

Answer 44

tear

Question 45

Cusp is within the confines of

Answer 45

root

Question 46

Curve of Spee is looking from

Answer 46

buccal view

Question 47

Curve of Wilson is looking from

Answer 47

front view

Question 48

Because of curve of Wilson, buccal cusp tip are

Answer 48

larger

Question 49

Curve of Spree and Curve of Wilson form the

Answer 49

Sphere of Monson

Question 50

Dehiscence

Answer 50

is loss of alveolar bone on the facial (rarely lingual) aspect of a tooth that leaves a characteristic oval, root-exposed defect from the cementoenamel junction apically

Question 51

Fenestration

Answer 51

is a "window" of bone loss on the facial or lingual aspect of a tooth that places the exposed root surface directly in contact with gingiva or alveolar mucosa.

Question 52

Curve of Spee

Answer 52

anterior to posterior curve from tip of canines to molars

Question 53

Curve of Wilson

Answer 53

mesiolateral curve of posterior teeth. Anterior roots include to lingual

Question 54

Maxillary posterior roots (and mand 1st premolar) incline to lingual while Mand 2nd premolar and mand molars include to buccal (spee or wilson)

Answer 54

Wilson

Question 55

Maxillary premolar incline to distal while max molars incline to mesial and mandibular posteriors incline to distal

Answer 55

Spee

Question 56

What is the function of proper contact relation?

Answer 56

Stabilize arch, prevent food impaction, contributes to food flow pattern