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Dental Anatomy > Quiz #2 part 1: PRIMARY TEETH > Flashcards

Quiz #2 part 1: PRIMARY TEETH Flashcards

1
Q

*Primary vs. Permanent crown:

Primary: The enamel is relatively ______ (thin or thick) and has ____________ (inconsistent or consistent) depth

A

Thin, consistent

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2
Q

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

A

limited

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3
Q

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

A

high/taller, large

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4
Q

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

A

Higher

…because their dentin thickness is minimal, compared to permanent teeth

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5
Q

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

A

Mesiodistal

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6
Q

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)

A

Incisal ridge

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

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7
Q

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

A

wider (and smoother)

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8
Q

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

A

Taper, cingulum

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9
Q

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

A

Mesial and distal surfaces

Enabling good contact with the adjoining teeth.

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10
Q

PRIMARY MANDIBULAR INCISORS

* How are primary anterior teeth formed?

A

From a SINGLE lobe of calcification

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11
Q

PRIMARY MANDIBULAR INCISORS

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

A

False. There are NO mamelons or developmental depressions

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12
Q

PRIMARY MANDIBULAR INCISORS

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

A

LARGER

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13
Q

PRIMARY MANDIBULAR INCISORS

* Which incisor is more “angular”? Central or Lateral?

A

Central incisor

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14
Q

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

A

rarely curves
usually curves
distal direction

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15
Q

PRIMARY MANDIBULAR INCISORS

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

A

STRAIGHT

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16
Q

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

A

STRAIGHT

FACIOLINGUALLY

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17
Q

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)

A

cervical 1/3 facially and lingually.

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18
Q

INCISAL VIEW —- PRIMARY MANDIBULAR CENTRAL INCISORS

The facial surface is __________ (texture) and ___________ (Concave or convex)?

A

Smooth

CONVEX

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19
Q

INCISAL VIEW —- PRIMARY MANDIBULAR CENTRAL INCISORS

The lingual surface is ____________ (texture) and ______________( concave or convex)?

A

Smooth

slightly concave

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20
Q 
INCISAL VIEW ---- PRIMARY MANDIBULAR CENTRAL INCISORS
The \_\_\_\_\_\_\_\_\_ (location) half of the crown is slightly more developed than the \_\_\_\_\_\_\_\_\_\_\_
A

mesial

distal

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21
Q

PRIMARY MOLAR CLASS TRAITS

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

A

8 primary molars

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

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22
Q

PRIMARY MOLAR CLASS TRAITS

* The primary molars are replaced by “permanent” ______________ (1st and 2nd) (what type of permanent teeth)?

A

“permanent” PREMOLARS

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23
Q

PRIMARY MOLAR CLASS TRAITS

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

A

flared OUT

beyond the crown OUTLINES

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24
Q

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

A

ROOTS

permanent PREMOLAR CROWNS

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25
Q

PRIMARY MOLAR CLASS TRAITS

* Primary ___________________ (which arch and tooth) are wider faciolingually than they are mesiodistally

A

PRIMARY MAXILLARY MOLARS

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26
Q

PRIMARY MOLAR CLASS TRAITS

* Primary ______________________ (which arch and tooth) are wider mesiodistally than they are faciolingually

A

primary MANDIBULAR MOLARS

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27
Q

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

A

at the site of the CERVICAL LINE (CEJ)

28
Q

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR

* All three roots are visible from the __________ view (mesial or distal location of tooth)?

29
Q

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR

* the ______________________ (Mesialfacial, distofacial, mesial) root is the shortest.

A

the DISTOFACIAL root

30
Q

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR

* the _______________ cusp is poorly developed and is the ____________ (shortest or tallest)????

A

distolingual cusp

shortest

31
Q

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR

* The cervical convexity on the _________________ cusp is less evident than on the _______________ cusp.

A

DISTOFACIAL CUSP is less evident than on the MESIOFACIAL CUSP

32
Q

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR

* The __________ marginal ridge is shorter than the ____________ marginal ridge.

A

DISTAL marginal ridge is shorter than the MESIAL marginal ridge

33
Q

DISTAL VIEW: PRIMARY MAXILLARY FIRST MOLAR

The ____________ marginal ridge groove is not as evident as the _______________ marginal ridge groove.

A

DISTAL marginal ridge groove

MESIAL marginal ridge groove

34
Q

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

A

STRAIGHT across, facial half

35
Q

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).

A

CEJ

DISTAL than on the MESIAL

36
Q

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

A

5 CUSPS

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

37
Q

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

A

SOMEWHAT RHOMBOIDAL

DISTAL crown convergence

38
Q

OCCLUSAL VIEW – PRIMARY MAXILLARY SECOND MOLAR

Both marginal ridges are _________________ (prominent or not prominent)

39
Q

OCCLUSAL VIEW – PRIMARY MAXILLARY SECOND MOLAR

The ____________ ridge form is quite massive, especially in comparison to the primary maxillary ____________ molar

A

OBLIQUE ridge

primary maxillary FIRST molar

40
Q

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

A

TRANSVERSE ridges
TRIANGULAR ridges
MESIALLY-POSITIONED cusps

41
Q

OCCLUSAL VIEW – PRIMARY MAXILLARY SECOND MOLAR

The major fossae on the tooth include the _______ and _______ fossae

A

CENTRAL and DISTAL fossae

42
Q

OCCLUSAL VIEW – PRIMARY MAXILLARY SECOND MOLAR

The minor fossae on the tooth include the _____________ and ____________ fossa

A

MESIAL TRIANGULAR fossa and DISTAL TRIANGULAR fossa

43
Q

OCCLUSAL VIEW – PRIMARY MAXILLARY SECOND MOLAR

What is the lingual development groove on this certain tooth?

A

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

44
Q

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

A

OBLIQUE ridge

DISTAL pit.

45
Q

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR

* The form of this tooth represents an extreme case of ________________

A

Uniqueness.

46
Q

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR

* The mesial surface outline or contour is relatively __________ (sharp, flat, curved)?

47
Q

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)

A

OCCLUSAL portion

JUNCTION of the MIDDLE and OCCLUSAL thirds

48
Q

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR

* the __________ cusp is larger and taller than the ___________ cusp.

A

MESIOFACIAL cusp

DISTOFACIAL cusp

49
Q

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR

* There is a short or distinct __________ _____________ groove that looks more like a depression

A

FACIAL DEVELOPMENTAL groove.

50
Q

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.

A

APICALLY
MESIAL root surface
MESIAL half of the tooth

51
Q

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

A

CONVEX in the MESIAL half

DISTOFACIAL cervical third

52
Q

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR

* The ________ root is much longer and more straight than the __________ root.

A

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

53
Q

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.

A

MESIAL
20%
1/3

54
Q

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

A

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR

PRIMARY MANDIBULAR FIRST MOLAR

55
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

* The crown form resembles the permanent _______ _________ ________?

A

MANDIBULAR FIRST MOLAR

56
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

Proximal contact areas are within the _______________ of the crown.

A

MIDDLE THIRD

57
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

* All ________ cusps are visible from the _________ view.

A

5

FACIAL view

58
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

* All three facial cusps (_________, _________, _______) are all close to the same size. (T/F)

A

TRUE.

MESIOFACIAL, DISTOFACIAL, and DISTAL

59
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

There are two ___________ developmental grooves (___________ and ___________).

A

FACIAL

mesiofacial and distofacial

60
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

The cervical line has an apical dip in the area of the ______________.

A

bifurcation

61
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

How may roots on this tooth?

A

2

mesial and distal

62
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

The _______ root is longer than the ______ root

A

MESIAL, DISTAL

63
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

Both roots are narrow _________ and wide ___________.

A

mesiodistally

faciolingually

64
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

The primary mandibular ________ molar is larger than the _________ primary mandibular _______ molar.

65
Q

FACIAL VIEW: PRIMARY MANDIBULAR SECOND MOLAR

The tooth is _________ (size) than its permanent replacement. What’s the permanent replacement.

A

larger

mandibular 2nd premolar.

Dental Anatomy (10 decks)

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