Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Dental Hygiene: Anatomy > Mandibular 2nd Premolar > Flashcards

Mandibular 2nd Premolar Flashcards

1
Q

calcify

A

2.5 yrs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

erupt

A

11-12yrs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

root complete

A

13-14yrs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Compared to the 1st PM, the 2nd PM is…

A

larger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Facial view: height of contour

A

cervical 3rd

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Facial view: facial cusp

A

tip is shorter and blunted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Facial view: mesial and distal cusp ridges

A

approximately equal in length
more rounded

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Lingual view: lingual cusp

A

shorter than buccal cusp, but well developed and functional

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Lingual view: lingual groove

A

may be present INSTEAD of a mesiolingual groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Lingual view: 2 cusp type of tooth

A

-facial and lingual
-no lingual groove but developmental depression distolingually where distal cusp ridge joins the DMR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Lingual view: 3 cup type of tooth

A

mesiolingual and distolingual cusps divided by lingual groove
-mesiolingual cusp wider and longer
-distolingual smaller but sharp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Mesial view: facial cusp

A

shorter, FACIAL to root bisector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Mesial view: marginal ridge

A

horizontal; at right angle to long axis of tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Distal view: DMR

A

lower/more cervical than the MMR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Distal view: the crown tips _____ to the long axis of root

A

distally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

You can see more of the occlusal surface from which view, mesial or distal?

A

distal

17
Q

Occlusal view: outline shape

A

square

18
Q

Occlusal view: 3 cusp type “Y”

A

-most common
-facial, ML, and DL cusps
-m, d, and central fossa
-no transverse ridges*
-3 grooves (m, d, L)

19
Q

Occlusal view: U or H groove pattern

A

-2 cusps
-more rounded crown
*if lingual triangular groove radiates from the M and D fossae, H groove is present (more common)

20
Q

The root is…

A

longer and wider, single root

21
Q

The root may have a slight _____ inclination

A

distal

22
Q

A distal depression in the ______ third of the root may be depression

A

middle

23
Q

How many root canals?

A

1; less tendency to have divided canals than 1st PM
2 or 3 pulp horns

Dental Hygiene: Anatomy (28 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions