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NBDE Part 1: Dental Anatomy > DA Fun Facts (randomized) > Flashcards

Flashcards in DA Fun Facts (randomized) Deck (298)
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1

The groove pattern for the mandibular second molar is consider a ____

Cross (+) pattern

1

Continued eruption of a tooth through the surrounding tissue makes the clinical crown appear ____

longer

1

The number of lobes that form the anterior teeth is ____

4

1

Accessory pulp canals may contain ____ tissue

nervous and vascular

1

Accessory pulp canals may be found in ____ of molars

furcation areas

1

The main component of enamel is ____

inorganic matter (NOT collagen)

1

____ has measurement that is nearly identical for Inciso-Cervical versus Mesio-distal

Maxillary central incisor

1

____ has GREATEST cervical line curvature (on mesial) of any other tooth

Maxillary central incisor

2

True or False: Maintenance of the epithelial attachment is a function of the periodontal ligament

False - It is NOT a function of the PDL

2

The direction of enamel rods in permanent teeth in the cervical third is in a ____ direction

gingival

3

The crown of the mandibular second molar inclines to the ____

mesial and lingual

4

The occlusal outline of a mandibular first molar is a ____

pentagon

4

The ____ has the most pronounced developmental marginal groove of any max tooth

maxillary 1st premolar (mesial marginal developmental groove)

4

Facial view of maxillary molars the apex of the lingual root is in line with the ____ of the tooth

facial groove

4

The ____ from a proximal view tends to be positioned with the most nearly vertical axis

maxillary canine

4

____ has the LARGEST FL crown dimension of ANY other MANDIBULAR tooth

Mandibular 1st molar

5

____ plays the greatest role in discluding the posterior teeth in latero-protrusive movement

Anterior guidance

6

The smallest root of the maxillary molar is the ____

distofacial

6

Primary molars differ from permanent molars in that their roots are ____

more divergent

6

____ separates cusp ridges from marginal ridges

developmental grooves

6

The molar that has the most distinct transverse ridge separating the mesial fossa is the ____

Mandibular 1st molar

7

____ has fossae that are closest in size compared to any other posterior tooth

Maxillary 2nd premolar

8

____ are the only mandibular teeth that are wider mesio-distally than facio-lingually

Mandibular Molars

8

The principle muscles that retrude the mandible are the ____

posterior fibers of the temporalis

8

Accessory pulp canals allow the pulp tissue to ____

communicate with the PDL space

9

The primary ____ does NOT look like any permanent tooth

Mandibular 1st molar

10

____ cusp tip located facial to lingual axis

Maxillary canine

11

The height of contour is in the ____ for the facial surfaces of all teeth

gingival 1/3

11

____ covers the articulating osseous structures of the TMJ

Dense, avascular, fibrous connective tissue

12

The primary and permanent ____ is the most bilaterally symmetrical tooth

mandibular central incisor