Brainscape's Knowledge GenomeTM

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


See full index

Morph. > Maxillary 2nd Premolars (Ye's Version) > Flashcards

Maxillary 2nd Premolars (Ye's Version) Flashcards

1
Q

Maxillary right 2nd premolar tooth #?

A

4

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

Maxillary left 2nd premolar tooth #?

A

13

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

Maxillary 2nd Premolars: Chronological Events

First evidence of calcification:
Enamel completed (crown completion):
Eruption:
Root completion:

A

First evidence of calcification: 2-2 (1/4) yrs
Enamel completed (crown completion): 6-7 yrs
Eruption: 10-12 yrs
Root completion: 12-14 yrs

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

Maxillary 2nd premolars:

How many lobes does it develop from? How many are buccal and how many lingual?

A

4 lobes; 3 buccal lobes/1 lingual lobe

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

Maxillary 2nd premolars:

What are the 3 buccal lobes?

A

Mesiobuccal (MB), Buccal, Distobuccal (DB)

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

Maxillary 2nd premolars:

What does the lingual lobe give rise to?

A

Lingual cusp

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

Maxillary 2nd premolars:

_____________________ is the demarcation between the lingual lobe and buccal lobes.

A

Central developmental groove

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

Maxillary 2nd premolars: General Characteristics

Are they succedanenous? What does that mean?

A

YES: they replace deciduous maxillary MOLARS

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

Maxillary 2nd premolars: General Characteristics

They are (more/less) rounded compared to maxillary 1st premolars and (less/more angular?

A

MORE rounded
LESS angular

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

Maxillary 2nd premolars: General Characteristics

Are there more or less variations in shape and form compared to the maxillary 1st premolar?

A

MORE variation in shape and form

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

Maxillary 2nd premolars: Buccal view

Similar to the 1st premolar. Few differences -

_____________ in outline

A

Trapezoidal

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

Maxillary 2nd premolars: Buccal view

Similar to the 1st premolar. Few differences -

The MB and DB line angles are _________ (less/more) prominent.

A

LESS

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

Maxillary 2nd premolars: Buccal view

Similar to the 1st premolar. Few differences -

The ________ cusp ridge is not as obvious

A

BUCCAL cusp ridge

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

Maxillary 2nd premolars: Buccal view

Similar to the 1st premolar. Few differences -

The buccal developmental depressions are (less/more) developed?

A

LESS developed

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

Maxillary 2nd premolars: Buccal view

Similar to the 1st premolar. Few differences -

The MB cusp ridge is (shorter/longer) than the DB cusp ridge.

A

SHORTER

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

Maxillary 2nd premolars: Buccal view

Similar to the 1st premolar. Few differences -

The buccal cusp is ________ (shorter/longer)

A

SHORTER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Maxillary 2nd premolars: Lingual view

__________ in outline

A

Trapezoidal

18
Q

Maxillary 2nd premolars: Lingual view

The lingual cusp of the max 2nd premolar is (shorter/longer) than the lingual cusp of the max 1st premolar

A

Longer in 2nd

19
Q

Maxillary 2nd premolars: Lingual view

Is the buccal aspect of the tooth visible from the lingual aspect?

A

Yes

20
Q

Maxillary 2nd premolars: Mesial view

The tooth is _________ in outline

A

Trapezoidal

21
Q

Maxillary 2nd premolars: Mesial view

The buccal and lingual cusps are (equal/non-equal in size) - height/length

A

Approx. Equal

22
Q

Maxillary 2nd premolars: Mesial view

The buccal and lingual cusps are (shorter/longer) compared to the maxillary 1st premolar.

A

Shorter

23
Q

Maxillary 2nd premolars: Mesial view

Is there a mesial marginal ridge developmental groove?

A

NO

24
Q

Maxillary 2nd premolars: Mesial view

Is there a mesial developmental depression?

A

NO

25
Q

Maxillary 2nd premolars: Mesial view

The maxillary 2nd premolar has _______ single tapered root(s)

A

Only 1

26
Q

Maxillary 2nd premolars: Mesial view

The maxillary 2nd premolar has how many tapered roots?

A

Only 1

27
Q

Maxillary 2nd premolars: Mesial view

The height of contour (HOC) on the buccal surface is in the ___________

A

Cervical 1/3

28
Q

Maxillary 2nd premolars: Mesial view

The height of contour (HOC) on the lingual surface is in the __________

A

Middle 1/3

29
Q

Maxillary 2nd premolars: Mesial view

The mesial contact is located in the __________ occlusogingivally and ___________ buccolingually but slightly offset to the buccal.

A

Middle 1/3

Middle 1/3

30
Q

Maxillary 2nd premolars: Distal view

Similar to the mesial aspect

The distal contact area is located in the _________ occlusogingivally and it is offset to the ________.

A

Middle 1/3

offset to Buccal

31
Q

Maxillary 2nd premolars: Occlusal view

_____________ or ____________ outline form

A

Rounded or oval

32
Q

Maxillary 2nd premolars: Occlusal view

The MB and DB line angles are (more/less) rounded compared to the maxillary 1st premolar.

A

MORE rounded

33
Q

Maxillary 2nd premolars: Occlusal view

There is (less/more) lingual convergence

A

LESS

34
Q

Maxillary 2nd premolars: Occlusal view

The central developmental groove is (shorter/longer) compared to the maxillary 1st premolar. Therefore, the Mesial and Distal marginal ridges are ___________

A

Shorter; WIDER

35
Q

Maxillary 2nd premolars: Occlusal view

There are numerous supplemental grooves, which gives the tooth a _________ appearance.

A

Wrinkled

36
Q

Maxillary 2nd premolars: Root

There is a single tapered root. And ______% of the time there are _________ pulp canals.

A

40%; 2 pulp canals

37
Q

Maxillary 2nd premolars: Root

The root length is (same/different) than a maxillary 1st premolar.

A

SAME length

38
Q

Maxillary 2nd premolars: Root

The root is broad ______ and narrow _______ (same as the maxillary 1st premolar).

A

Broad - B-L
Narrow - M-D

39
Q

Maxillary 2nd premolars: Root

Is there a developmental groove depression?

A

NO

40
Q

Maxillary 2nd premolars: Pulp

In a buccolingual section, there are ______ (how many?) pulp horns that have the same height and ______ or ______ pulp canals (number)

A

Two pulp horns

1 or 2 pulp canals

41
Q

Maxillary 2nd premolars: Pulp

In a mesiodistal section: (same or different as maxillary 1st premolar)?

A

SAME

42
Q

Maxillary 2nd premolars: Pulp

In a transverse section, the root is _______ shaped.

A

Oval

Morph. (20 decks)

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