Quiz #2 part 1: PRIMARY TEETH

Question 1

*Primary vs. Permanent crown:

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

Answer 1

Thin, consistent

Question 2

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

Answer 2

limited

Question 3

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

Answer 3

high/taller, large

Question 4

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

Answer 4

Higher

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

Question 5

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

Answer 5

Mesiodistal

Question 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)

Answer 6

Incisal ridge

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

Question 7

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

Answer 7

wider (and smoother)

Question 8

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

Answer 8

Taper, cingulum

Question 9

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

Answer 9

Mesial and distal surfaces

Enabling good contact with the adjoining teeth.

Question 10

PRIMARY MANDIBULAR INCISORS

* How are primary anterior teeth formed?

Answer 10

From a SINGLE lobe of calcification

Question 11

PRIMARY MANDIBULAR INCISORS

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

Answer 11

False. There are NO mamelons or developmental depressions

Question 12

PRIMARY MANDIBULAR INCISORS

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

Answer 12

LARGER

Question 13

PRIMARY MANDIBULAR INCISORS

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

Answer 13

Central incisor

Question 14

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

Answer 14

rarely curves
usually curves
distal direction

Question 15

PRIMARY MANDIBULAR INCISORS

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

Answer 15

STRAIGHT

Question 16

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

Answer 16

STRAIGHT

FACIOLINGUALLY

Question 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)

Answer 17

cervical 1/3 facially and lingually.

Question 18

INCISAL VIEW —- PRIMARY MANDIBULAR CENTRAL INCISORS

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

Answer 18

Smooth

CONVEX

Question 19

INCISAL VIEW —- PRIMARY MANDIBULAR CENTRAL INCISORS

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

Answer 19

Smooth

slightly concave

Question 20

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

Answer 20

mesial

distal

Question 21

PRIMARY MOLAR CLASS TRAITS

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

Answer 21

8 primary molars

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

Question 22

PRIMARY MOLAR CLASS TRAITS

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

Answer 22

“permanent” PREMOLARS

Question 23

PRIMARY MOLAR CLASS TRAITS

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

Answer 23

flared OUT

beyond the crown OUTLINES

Question 24

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

Answer 24

ROOTS

permanent PREMOLAR CROWNS

Question 25

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

Answer 25

PRIMARY MAXILLARY MOLARS

Question 26

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

Answer 26

primary MANDIBULAR MOLARS

Question 27

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

Answer 27

at the site of the CERVICAL LINE (CEJ)

Question 28

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

Answer 28

DISTAL

Question 29

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

Answer 29

the DISTOFACIAL root

Question 30

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

Answer 30

distolingual cusp | shortest

Question 31

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

Answer 31

DISTOFACIAL CUSP is less evident than on the MESIOFACIAL CUSP

Question 32

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

Answer 32

DISTAL marginal ridge is shorter than the MESIAL marginal ridge

Question 33

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

Answer 33

DISTAL marginal ridge groove | MESIAL marginal ridge groove

Question 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

Answer 34

STRAIGHT across, facial half

Question 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).

Answer 35

CEJ | DISTAL than on the MESIAL

Question 36

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

Answer 36

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

Question 37

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

Answer 37

SOMEWHAT RHOMBOIDAL | DISTAL crown convergence

Question 38

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

Answer 38

PROMINENT

Question 39

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

Answer 39

OBLIQUE ridge | primary maxillary FIRST molar

Question 40

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

Answer 40

TRANSVERSE ridges TRIANGULAR ridges MESIALLY-POSITIONED cusps

Question 41

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

Answer 41

CENTRAL and DISTAL fossae

Question 42

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

Answer 42

MESIAL TRIANGULAR fossa and DISTAL TRIANGULAR fossa

Question 43

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

Answer 43

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

Question 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.

Answer 44

OBLIQUE ridge | DISTAL pit.

Question 45

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

Answer 45

Uniqueness.

Question 46

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

Answer 46

FLAT

Question 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)

Answer 47

OCCLUSAL portion | JUNCTION of the MIDDLE and OCCLUSAL thirds

Question 48

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

Answer 48

MESIOFACIAL cusp | DISTOFACIAL cusp

Question 49

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

Answer 49

FACIAL DEVELOPMENTAL groove.

Question 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.

Answer 50

APICALLY MESIAL root surface MESIAL half of the tooth

Question 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.

Answer 51

CONVEX in the MESIAL half | DISTOFACIAL cervical third

Question 52

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

Answer 52

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

Question 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.

Answer 53

MESIAL 20% 1/3

Question 54

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

Answer 54

FACIAL VIEW: PRIMARY MANDIBULAR FIRST MOLAR PRIMARY MANDIBULAR FIRST MOLAR

Question 55

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

Answer 55

MANDIBULAR FIRST MOLAR

Question 56

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

Answer 56

MIDDLE THIRD

Question 57

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

Answer 57

5 | FACIAL view

Question 58

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

Answer 58

TRUE. | MESIOFACIAL, DISTOFACIAL, and DISTAL

Question 59

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

Answer 59

FACIAL | mesiofacial and distofacial

Question 60

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

Answer 60

bifurcation

Question 61

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

Answer 61

2 | mesial and distal

Question 62

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

Answer 62

MESIAL, DISTAL

Question 63

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

Answer 63

mesiodistally | faciolingually

Question 64

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

Answer 64

2nd | 1st

Question 65

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

Answer 65

larger | mandibular 2nd premolar.