Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

NBDE dental anatomy > page 662-671 > Flashcards

page 662-671 Flashcards

(61 cards)

Start Studying
1
Q

Functional occlusion:

A

Occlusion during mandibular movement (mastication,

swallowing, etc.).

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

Plane of occlusion:

A

An imaginary plane anatomically related to the cranium

that theoretically touches the incisal edges of incisors and the cusp

tips of posterior teeth.

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

Occlusal adjustment (equilibration):

A

Reshaping the occlusal surfaces of

teeth to create harmonious contacts between the maxillary and mandibular

teeth.

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

Vertical dimension:

A

A vertical measurement of the face between any two

arbitrary points (usually in the midline), one above and one below the

mouth.

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

Vertical dimension of occlusion (VDO):

A

The vertical dimension of the

face when the teeth are in centric occlusion

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

Vertical dimension of rest (VDR):

A

The vertical dimension of the face

when the mandible is in the rest position.

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

Curve of Spee:

A

The anteroposterior curvature of the maxillary and

mandibular occlusal surfaces. Concave above the curve; convex below the

curve. (See Figure 27–1.)

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

Curve of Wilson:

A

The mediolateral curvature of the maxillary and

mandibular occlusal surfaces. Concave above the curve; convex below the

curve. (See Figure 27–2.)

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

Compensating curve:

A

The anteroposterior curvature (in the median

plane) and the mediolateral curvature (in the frontal plane) in the alignment

of the occluding surfaces and incisal edges of artificial teeth that are

used to develop balanced occlusion.

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

Parafunctional contacts:

A

Abnormal contacts; typically result from habits

such as bruxism and include area-to-area contacts

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

Protrusive contacts:

A

Contacts made when the mandible has moved anteriorly

from centric occlusion (protrusive movement). These are usually

edge-to-edge contacts for anterior teeth.

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

Working side contacts (laterotrusive contacts):

A

Contacts on the side toward

which the mandible has moved from centric occlusion (working side movement).

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

Nonworking side contacts (mediotrusive contacts):

A

Contacts on the side

away from which the mandible has moved from centric occlusion (nonworking

side movement).

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

Overbite:

A

The vertical overlapping of the mandibular incisors by the maxillary

incisors when the jaws are in centric occlusion. (

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

Overjet:

A

The horizontal overlapping of the mandibular incisors by the

maxillary incisors when the jaws are in centric occlusion.

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

Open bite:

A

A condition in which opposing teeth do not occlude.

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

Cross-bite:

A

An abnormal relation of one or more teeth in one arch to its

antagonist in the other arch due to a deviation of tooth or jaw position

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Anterior cross-bite:

A

One or more maxillary incisors are positioned lingually

to the mandibular incisors when in centric occlusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Posterior cross-bite:

A

One or more maxillary posterior teeth are positioned

palatally to the mandibular posterior teeth when in centric occlusion.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

FOUR DETERMINANTS OF OCCLUSION

A

The teeth and their occlusal surfaces.

  1. The right TMJ.
  2. The left TMJ.
  3. The neuromusculature of the jaws and TMJs.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

https://drive.google.com/open?id=0B8uJUY-tie8GNHljQ1gzbl9zTEU

A

https://drive.google.com/open?id=0B8uJUY-tie8GcVVvWHdTTFBlY0U

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

https://drive.google.com/open?id=0B8uJUY-tie8Gei16clctRXZPc0U

A

https://drive.google.com/open?id=0B8uJUY-tie8GbWl1b3Ewb3RINjg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Supporting (lingual) cusps of maxillary posterior teeth occlude with the

A

distal marginal ridge of their mandibular counterpart + the mesial marginal ridge

of tooth distal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

ML cusp of molars, which occlude in the central fossa of their counterpart.■

AND

A

Supporting (buccal) cusps of mandibular posterior teeth occlude with the

mesial marginal ridge of their maxillary counterpart + the distal marginal

ridge of the tooth mesial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
DB cusp of molars, which occlude in the ---- ---- of their counterpart
DB cusp of molars, which occlude in the central fossa of their counterpart
26
D cusp of M1, which occludes in the -------- ------- of max M1. ■ ---------cusps of maxillary posterior teeth oppose the ----- embrasures of their ------- counterpart + the tooth distal
D cusp of M1, which occludes in the triangular fossa of max M1. ■ Nonworking (buccal) cusps of maxillary posterior teeth oppose the buccal embrasures of their mandibular counterpart + the tooth distal
27
MB cusp of molars, which oppose the ----- groove of their counterpart,
MB cusp of molars, which oppose the buccal groove of their counterpart,
28
DB cusp + oblique ridge of M1, which oppose the -- groove of mand M1.
DB cusp + oblique ridge of M1, which oppose the DB groove of mand M1.
29
-------- cusps of mandibular posterior teeth oppose the ------ embrasures of the ------ counterpart + the tooth mesial,
Nonworking (lingual) cusps of mandibular posterior teeth oppose the lingual embrasures of the maxillary counterpart + the tooth mesial,
30
---- cusp of molars, which oppose the lingual groove of their counterpart
DL cusp of molars, which oppose the lingual groove of their counterpart
31
L cusp of PM1, which opposes -----
L cusp of PM1, which opposes nothing.
32
CR:
Most stable and reproducible position
33
Rotation ■ Translation
2 movements od mandible
34
Frontal ■ Sagittal ■ Horizontal
Three directions of movement:
35
Degree of movement 5. Clinical significance of movements
other 2 factors of mand. movement
36
Centric occlusion (CO):
Centric occlusion (CO): The maximum intercuspation of the opposing arches. It is a purely tooth-guided position. This creates the vertical dimension of occlusion (VDO).
37
Centric relation (CR):
Centric relation (CR): The most anterior and superior position of the mandibular condyles within the glenoid fossae (terminal hinge position). By maintaining this position, only rotational movements around a horizontal (hinge) axis can occur. It is a purely ligament-guided position.
38
Rest (postural) position (RP):
Rest (postural) position (RP): The position of the mandible when it is in a physiologic rest position. There are no tooth contacts in this position; it is a purely muscle-guided position. This creates the vertical dimension of rest (VDR). The resulting space between the teeth in this position (about 1–3 mm) is called the freeway space (FS)
39
Maximum opening (MO):
## Footnote Maximum opening (MO): The maximum separation of the opposing arches. Creates the greatest amount of space between the teeth (about 40–50 mm).
40
Protrusive movement:
Protrusive movement: The anterior movement of the mandible. As the mandible moves anteriorly, the posterior teeth disarticulate. This is known as anterior guidance
41
The maximum posterior disarticulation occurs when the anterior teeth are ----- -----
## Footnote The maximum posterior disarticulation occurs when the anterior teeth are edge-to-edge
42
Anterior guidance depends largely on the ----- and ----relationship of the maxillary and mandibular incisors and canines.
## Footnote Anterior guidance depends largely on the horizontal and vertical relationship of the maxillary and mandibular incisors and canines.
43
Cusp length varies on the extent of this relationship.
ant guidance
44
Lateral movement:
## Footnote Lateral movement: The lateral movement of the mandible. The side toward which the mandible moves is the working side; the side away from which the mandible moves is the nonworking side
45
Canine guidance:
Canine guidance: The contact between the opposing canines on the working side disarticulates all posterior teeth. Any premature contacts on the working or nonworking sides are working and nonworking interferences, respectively.
46
Group function:
Group function: The contact between the opposing canines and posterior teeth on the working side disarticulates the posterior teeth on the nonworking side. Any contacts on the nonworking side are nonworking interferences.
47
https://drive.google.com/open?id=0B8uJUY-tie8GZENUbF9oZTRKcGc
https://drive.google.com/open?id=0B8uJUY-tie8GYWtobjFBc2FUQnM
48
Occlusal interference:
## Footnote Occlusal interference: Any contact that inhibits the remaining occlusal surfaces from achieving harmonious contacts.
49
Protrusive interference:
Protrusive interference: Premature contact between the mesial aspects of mandibular posterior teeth and the distal aspects of maxillary posterior teeth.
50
Working interference:
## Footnote Working interference: Premature contact on the working side during lateral mandibular movement
51
Nonworking interference:
Premature contact on the nonworking side during lateral mandibular movement
52
https://drive.google.com/open?id=0B8uJUY-tie8GWWlxZUc2cVVReDQ
https://drive.google.com/open?id=0B8uJUY-tie8GVzl3UXJmdVBqNm8
53
Protrusive movement:
Protrusive movement: Both right and left condyles rotate and translate anteriorly simultaneously (downward along the articular eminence).
54
Right working movement:
Right working movement: The left condyle rotates and translates anteriorly (downward along the articular eminence) and medially (to the right). The right condyle rotates forward and translates slightly laterally (to the right).
55
Left working movement:
## Footnote Left working movement: The right condyle rotates and translates anteriorly (downward along the articular eminence) and medially (to the left). The left condyle rotates forward and translates slightly laterally (to the left).
56
https://drive.google.com/open?id=0B8uJUY-tie8GaGUteVFDS0thR0U
https://drive.google.com/open?id=0B8uJUY-tie8GZUpnQm9PbVhMV1E
57
https://drive.google.com/open?id=0B8uJUY-tie8GcDVjSWVacUJubzg
https://drive.google.com/open?id=0B8uJUY-tie8GdTh3OWY3TXJSOE0
58
https://drive.google.com/open?id=0B8uJUY-tie8GXzJoS0dVUjBxRDA
https://drive.google.com/open?id=0B8uJUY-tie8GaDU4bmwwcUsxNHc
59
https://drive.google.com/open?id=0B8uJUY-tie8GTGVkSmp5WE1nZ2s
https://drive.google.com/open?id=0B8uJUY-tie8GY1plRTRwajJ6WVE
60
https://drive.google.com/open?id=0B8uJUY-tie8GTFdnMnRfNzNucW8
https://drive.google.com/open?id=0B8uJUY-tie8GdHNHTEc1VnhIOUE
61
https://drive.google.com/open?id=0B8uJUY-tie8GX01ydlhuNG5Ubmc
https://drive.google.com/open?id=0B8uJUY-tie8GT1dvLVVRcWs0dzQ

NBDE dental anatomy (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions