Quiz #2 part 1: PRIMARY TEETH Flashcards Preview

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Flashcards in Quiz #2 part 1: PRIMARY TEETH Deck (65):
1

*Primary vs. Permanent crown:
Primary: The enamel is relatively ______ (thin or thick) and has ____________ (inconsistent or consistent) depth

Thin, consistent

2

*Primary: The dentin thickness between the pulp chambers and the enamel is _______ (unlimited, very thick, limited) ?

limited

3

*Primary: the pulp horns are ________ (higher/taller or shorter/smaller) and the pulp chambers are proportionally _______ (small or large)?

high/taller, large

4

*Primary pulp horns protrude ________ (higher or lower) underneath crown heights because?

Higher
...because their dentin thickness is minimal, compared to permanent teeth

5

Incisal view -- PRIMARY MAXILLARY CENTRAL INCISOR
*Which measurement is greater?
(Mesiodistal or faciolingual)

Mesiodistal

6

Incisal view -- PRIMARY MAXILLARY CENTRAL INCISOR
__________ (Mesial, middle, incisal or distal ridge) is centered over the main bulk of the crown and is relatively ____________ (curved or straight) ?
... Except for a slight curvature where on the tooth? (facial on the distal, mesio on the facial, lingual on the distal)

Incisal ridge
relatively STRAIGHT, except for a slight curvature to the lingual on the distal portion.

7

Incisal view -- PRIMARY MAXILLARY CENTRAL INCISOR
*Facial surface is much ____________(wider or narrower) and _________ than the lingual surface.
(size and texture)

wider (and smoother)

8

Incisal view -- PRIMARY MAXILLARY CENTRAL INCISOR
Lingual surface ___________ (gets smaller) toward the ____________(area on primary maxillary central incisor ex. developmental depression, cingulum, distofacial)?

Taper, cingulum

9

Incisal view -- PRIMARY MAXILLARY CENTRAL INCISOR
Which surfaces are relatively wide?
The width enables what?

Mesial and distal surfaces
Enabling good contact with the adjoining teeth.

10

PRIMARY MANDIBULAR INCISORS
* How are primary anterior teeth formed?

From a SINGLE lobe of calcification

11

PRIMARY MANDIBULAR INCISORS
* (T/F) There are mamelons and developmental depressions on primary madibular incisors

False. There are NO mamelons or developmental depressions

12

PRIMARY MANDIBULAR INCISORS
* Mandibular lateral incisor is slightly ___________ (smaller or larger) than mandibular central incisor

LARGER

13

PRIMARY MANDIBULAR INCISORS
* Which incisor is more "angular"? Central or Lateral?

Central incisor

14

PRIMARY MANDIBULAR INCISORS
* Central incisor root __________ (rarely or often) curves; lateral incisor root ________________ (rarely, usually) curves toward the __________ (mesial or distal Direction).

rarely curves
usually curves
distal direction

15

PRIMARY MANDIBULAR INCISORS
* Fairly _____________(striaght or angular) incisal edges on each incisor.

STRAIGHT

16

INCISAL VIEW ---- PRIMARY MANDIBULAR CENTRAL INCISORS
* The incisal ridge is ___________ (angular or straight) and BISECTS the crown ______________ (Mesiodistally or faciolingually)

STRAIGHT
FACIOLINGUALLY

17

INCISAL VIEW ---- PRIMARY MANDIBULAR CENTRAL INCISORS
* The outline of the crown from the incisal aspect emphasizes the CREST of CONTOUR at the ______________________ ( Incisal, middle or cervical 1/3 facially and lingually)

cervical 1/3 facially and lingually.

18

INCISAL VIEW ---- PRIMARY MANDIBULAR CENTRAL INCISORS
The facial surface is __________ (texture) and ___________ (Concave or convex)?

Smooth
CONVEX

19

INCISAL VIEW ---- PRIMARY MANDIBULAR CENTRAL INCISORS
The lingual surface is ____________ (texture) and ______________( concave or convex)?

Smooth
slightly concave

20

INCISAL VIEW ---- PRIMARY MANDIBULAR CENTRAL INCISORS
The _________ (location) half of the crown is slightly more developed than the ___________

mesial
distal

21

PRIMARY MOLAR CLASS TRAITS
*There are _______(#) primary molars: both 1st and 2nd _________ in each quadrant.

8 primary molars
both a 1st and 2nd MOLAR in each quadrant.

22

PRIMARY MOLAR CLASS TRAITS
* The primary molars are replaced by "permanent" ______________ (1st and 2nd) (what type of permanent teeth)?

"permanent" PREMOLARS

23

PRIMARY MOLAR CLASS TRAITS
* The roots of the primary molars are flared ________ (direction- inward or outward) beyond the crown __________.

flared OUT
beyond the crown OUTLINES

24

PRIMARY MOLAR CLASS TRAITS
* Additional space is created between the ___________ (part of tooth) for developing permanent _________________ (Which tooth) crowns.

ROOTS
permanent PREMOLAR CROWNS

25

PRIMARY MOLAR CLASS TRAITS
* Primary ___________________ (which arch and tooth) are wider faciolingually than they are mesiodistally

PRIMARY MAXILLARY MOLARS

26

PRIMARY MOLAR CLASS TRAITS
* Primary ______________________ (which arch and tooth) are wider mesiodistally than they are faciolingually

primary MANDIBULAR MOLARS

27

PRIMARY MOLAR CLASS TRAITS
* The roots bifurcate(mandibular)/trifurcate(maxillary) almost IMMEDIATELY at the site of the _____________________ (_ _ _ ) (location on tooth/ which junction)???

at the site of the CERVICAL LINE (CEJ)

28

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR
* All three roots are visible from the __________ view (mesial or distal location of tooth)?

DISTAL

29

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR
* the ______________________ (Mesialfacial, distofacial, mesial) root is the shortest.

the DISTOFACIAL root

30

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR
* the _______________ cusp is poorly developed and is the ____________ (shortest or tallest)????

distolingual cusp
shortest

31

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR
* The cervical convexity on the _________________ cusp is less evident than on the _______________ cusp.

DISTOFACIAL CUSP is less evident than on the MESIOFACIAL CUSP

32

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR
* The __________ marginal ridge is shorter than the ____________ marginal ridge.

DISTAL marginal ridge is shorter than the MESIAL marginal ridge

33

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR
The ____________ marginal ridge groove is not as evident as the _______________ marginal ridge groove.

DISTAL marginal ridge groove
MESIAL marginal ridge groove

34

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR
* The cervical line is _______________ across, except for a slight occlusal curvature in the _____ _____ (tooth location) of the crown

STRAIGHT across, facial half

35

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR
* The furcation location is close to the ______________ (area on tooth, which junction), but the root trunk is slightly longer on the _________ than on the ___________ (proximal location of tooth).

CEJ
DISTAL than on the MESIAL

36

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
* There are _______ (number) cusp on this tooth.
Order the cusp from largest to smallest cusp:

5 CUSPS
(1) LARGEST: mesiolingual > mesiofacial > distofacial > distolingual > 5th cusp (cusp of carabelli)

37

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
The crown outline form is considered "__________ _____________" (shape) exhibiting a _________ (mesial or distal) crown convergence.

SOMEWHAT RHOMBOIDAL
DISTAL crown convergence

38

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
Both marginal ridges are _________________ (prominent or not prominent)

PROMINENT

39

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
The ____________ ridge form is quite massive, especially in comparison to the primary maxillary ____________ molar

OBLIQUE ridge
primary maxillary FIRST molar

40

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
* There is a distinct ____________ ridge involving the ___________ ridges of the __________ (distal or mesial) -positioned cusps

TRANSVERSE ridges
TRIANGULAR ridges
MESIALLY-POSITIONED cusps

41

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
The major fossae on the tooth include the _______ and _______ fossae

CENTRAL and DISTAL fossae

42

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
The minor fossae on the tooth include the _____________ and ____________ fossa

MESIAL TRIANGULAR fossa and DISTAL TRIANGULAR fossa

43

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
What is the lingual development groove on this certain tooth?

It's the distal oblique groove, when traveling into the lingual surface.

44

OCCLUSAL VIEW -- PRIMARY MAXILLARY SECOND MOLAR
The transverse groove of the oblique ridge crosses the ______________ ridge and connects the central pit with the ___________ pit.

OBLIQUE ridge
DISTAL pit.

45

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* The form of this tooth represents an extreme case of ________________

Uniqueness.

46

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* The mesial surface outline or contour is relatively __________ (sharp, flat, curved)?

FLAT

47

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* The proximal contact areas are in the ___________ portion of the MIDDLE third (almost to the Junction of the ______ and ______ thirds)

OCCLUSAL portion
JUNCTION of the MIDDLE and OCCLUSAL thirds

48

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* the __________ cusp is larger and taller than the ___________ cusp.

MESIOFACIAL cusp
DISTOFACIAL cusp

49

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* There is a short or distinct __________ _____________ groove that looks more like a depression

FACIAL DEVELOPMENTAL groove.

50

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* The cervical line significantly points or dips ___________ onto the __________ (mesial or distal) root surface on the _________ half of the tooth.

APICALLY
MESIAL root surface
MESIAL half of the tooth

51

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* The cervical ridge is quite _________ (convex or concave) in the ___________ half, and fades out onto the _____________ cervical third.

CONVEX in the MESIAL half
DISTOFACIAL cervical third

52

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* The ________ root is much longer and more straight than the __________ root.

The MESIAL root is much LONGER and more STRAIGHT than the DISTAL root,

53

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR
* Overall, if a line is drawn from the root bifurcation to the occlusal surface, the ____________ (mesial or distal) part of the crown is _____% taller and the root is ______ longer.

MESIAL
20%
1/3

54

Which tooth appears to be two dissimilar teeth that were fused together?

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR

PRIMARY MANDIBULAR FIRST MOLAR

55

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
* The crown form resembles the permanent _______ _________ ________?

MANDIBULAR FIRST MOLAR

56

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
Proximal contact areas are within the _______________ of the crown.

MIDDLE THIRD

57

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
* All ________ cusps are visible from the _________ view.

5
FACIAL view

58

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
* All three facial cusps (_________, _________, _______) are all close to the same size. (T/F)

TRUE.
MESIOFACIAL, DISTOFACIAL, and DISTAL

59

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
There are two ___________ developmental grooves (___________ and ___________).

FACIAL
mesiofacial and distofacial

60

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
The cervical line has an apical dip in the area of the ______________.

bifurcation

61

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
How may roots on this tooth?

2
mesial and distal

62

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
The _______ root is longer than the ______ root

MESIAL, DISTAL

63

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
Both roots are narrow _________ and wide ___________.

mesiodistally
faciolingually

64

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
The primary mandibular ________ molar is larger than the _________ primary mandibular _______ molar.

2nd
1st

65

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR
The tooth is _________ (size) than its permanent replacement. What's the permanent replacement.

larger
mandibular 2nd premolar.