Brainscape's Knowledge GenomeTM

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


See full index

Occlusion > Final > Flashcards

Final Flashcards

1
Q

Where does the ML cusp of the MX 1M occlude in a Class 1 occlusal relationship?

A

Central fossa of the MD 1M

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

In a class 3 occlusal relationship where does the MB cusp of the MX 1M occlude?

A

Embrasure space between the MD 1M and 2M

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

Which acronym applies to posterior tooth contacts in protrusive MD movement?

A

DUML

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

Which statement best describes the tooth contact in a left working side laterotrusive MD movement?

A

The inner inclines of the MX buccal cusps oppose the outer inclines of the MD buccal cusps

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

What are the three types of rotational MD movements?

A
  • Horizontal
  • Frontal
  • Saggital
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which pattern shape describes the border movement of the mandible in a horizontal plane?

A

Rhomboid

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

What occurs when the mandible has opened a distance of 20-25 mm during a posterior border movement?

A

A translational opening continues to a distance of 40-60 mm

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

Where does translational movement of the mandible occur?

A

In the superior cavity of the TMJ between the superior surface of the articular disc and the inferior surface of the mandibular fossa

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

Which theory in the history of development of occlusal concepts states that bilateral and balancing tooth contacts for all lateral and protrusive mandibular movements should exist?

A

Balance occlusion

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

Which statement(s) apply to the term “centric relation”?

A
  • Useful in achieveing a “reproducible” position when constructing complete dentures
  • The articular discs are positioned between the condyles and mandibular fossa
  • The condyles are in their most superoanterior position
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which statement is true about the directions of force on teeth?

A

The PDL effectively dissipates vertical forces to the bone

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

Which statement describes the term “mutually-protected” occlusion?

A

The anterior teeth guide eccentric movements of the mandible and the posterior teeth stop mandibular closure

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

Vertical determinants of occlusal morphology include:

A
  • Plane of occlusion
  • Lateral translation
  • Condylar guidance
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

T/F… Over-bite refers to the amount of horizontal distance between the incisal edges of opposing MX incisors and MD incisors

A

False (vertical overlap of MX anterior teeth below edges of the MD anterior teeth)

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

T/F… Rotational mandibular movement refers to the simultaneous movement of an object in the same direction

A

False (that is translation)

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

T/F… The most superior position of the mandibular condyles from which hinge axis movement can occur is called “centric relation position”

A

True

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

T/F… Frontal (vertical) plane border movements of the mandible is defined by a rhomboid shaped pattern

A

False

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

T/F… The absence of a slide from centric relation tooth contact (centric occlusion) to the MI position occurs in only about 10% of the population

A

True

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

T/F… Saggital plane border movements of the mandible is defined by a “shield-shaped” pattern

A

False

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

T/F… The lingual morphology of the MX anterior teeth determines part of the characteristics of superior contact border movements of the mandible

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

T/F… Occlusal changes should not be part of routine TMD management unless the occlusion is orthopedically unstable

A

True

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

T/F… It is desirable that only the anterior teeth contact in eccentric movement of the mandible and the posterior teeth disclude

A

True

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

T/F… The rule of thirds is used to determine the mesiodistal arch discrepancy between the MX and MD teeth

A

False (buccolingual?)

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

T/F… The non-adjustable articulator is only capable of reproducing one (1) occlusal contact position with no duplication of the patient’s eccentric movements

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

T/F… The later condylar guidance (bennet angle) setting on a semi-adjustable articulator duplicates the patients protrusive guidance

A

False (condylar inclination)

26
Q

T/F… A facebow transfer procedure is a procedure used to properly orient the MX cast on a semi-adjustable articulator

A

True

27
Q

T/F… A fully adjustable articulator uses “pantographic” recording when the condyles are positioned against the disc and fossa without tooth contact

A

True

28
Q

T/F… A major goal in the selection of an articulator for restorative dentistry is to avoid excess intraoral grinding and minimize chair time

A

True

29
Q

Which statement is true concerning the horizontal determinants of occlusal morphology?

A

Horizontal determinants influence cusp position and ridge/groove direction

30
Q

Horizontal determinants of occlusal morphology include

A

Rotating condyle distance, Lateral translation, Mid-saggital plane

31
Q

Reversible occlusal therapy includes the following treatment(s):

A

Occlusal splints

32
Q

Choose the one correct criterion from the following statements that is desirable for musculoskeletal stability prior to occlusal therapy.

A

Condyles are in the most superoanterior position against the posterior slopes of the articular eminence

33
Q

When the middle 1/3 inner incline of a posterior tooth centric cusp in one arch contacts or aligns with the opposing central fossa which of the following treatment(s) may be indicated?

A

Selective grinding and Crowns and/or fixed prosthodontics

34
Q

Diagnostic casts mounted in centric relation on the articulator can be helpful in evaluation of the following condition(s):

A
  • “CR” to “MI” slide
  • The static and functional relationships of teeth
  • The MD movement without the neuromuscular protective mechanisms
35
Q

What is the main advantage of the non-adjustable articulator?

A

Less time for mounting is required

36
Q

Setting a protrusive condylar inclination on a semi-adjustable articulator allows dentists to create fixed prosthodontic restorations

A

Cusp height and Fossa depth

37
Q

When providing fixed prosthodontic restorations for a patient with compromised anterior guidance, which type of articulator would be indicated for use?

A

Fully-adjustable articulator and semi-adjustable articulator

38
Q

When performing Operative Dentistry procedures, a desirable occlusal treatment goal includes:

A

Carved occlusal restorations in cusp tip to flat surface relationships

39
Q

What is one function of a “Custom anterior guide table”?

A

To record a desirable anterior guidance from provisional restorations prior to fabricating new anterior restorations

40
Q

The sequence of the delivery of a crown restoration is generally described as:

A

Adjust proximal contacts, verify marginal fit, and evaluate the occlusion

41
Q

T/F… MD anterior teeth usually contact the MX anterior teeth on the lingual surface 4mm gingival to the incisal edge

A

True

42
Q

Which statement(s) apply to the term “centric relation”?

A
  • Useful in achieving a “reproducible” position when constructing complete dentures.
  • The articular discs are positioned between the condyles and mandibular fossa
  • The condyles are in their most superoanterior position
43
Q

Which statement describes the term “mutually protected” occlusion?

A

The anterior teeth guide eccentric movements of the mandibular and posterior teeth stop mandibular closure

44
Q

Vertical determinants of occlusal morphology include

A

Plane of occlusion, lateral translation, and condylar guidance

45
Q

Which statement is true concerning the horizontal determinants of occlusal morphology?

A

Horizontal determinants influence cusp position and ridge/groove direction

46
Q

T/F… The “Dynamic individual occlusion” concept states that occlusion is dependent on an ideal occlusal configuration

A

False

47
Q

T/F… The medial wall of the mandibular fossa is usually less steep than the wall directly anterior to the condyles

A

False

48
Q

T/F… More vertical overlap (VO) in anterior guidance will allow for taller cusps

A

True

49
Q

T/F… The closer a posterior tooth is to the TMJs the more the occlusal morphology will be influenced by the anterior guidance

A

False (condylar guidance)

50
Q

T/F… Anterior guidance influences the occlusal morphology of posterior teeth, the closer the tooth is to the anterior teeth

A

True

51
Q

T/F… The temporomandibular ligament assists in limiting the outward lateral movement of the rotating condyle

A

True

52
Q

Vertical determinants of occlusal morphology include

A

Plane of occlusion, lateral translation, and condylar guidance

53
Q

Which statement is true concerning the horizontal determinants of occlusal morphology?

A

Horizontal determinants influence cusp position and ridge/groove direction

54
Q

When the middle 1/3 inner incline of a posterior tooth centric cusp in one arch contacts or aligns with the opposing central fossa, which of the following treatments may be indicated?

A

Selective grinding and Crowns and/or fixed prosthodontics

55
Q

Reversible occlusal therapy includes the following treatment(s)

A

Occlusal splints

56
Q

Diagnostic casts mounted in centric relation on the articulator can be helpful in evaluation of the following
condition(s)

A
  • “CR” to “MI” slide
  • The static and functional relationships of teeth
  • The mandibular movement without neuromuscular protective mechanisms
57
Q

When providing fixed prosthodontic restorations for a patient with compromised anterior guidance, which type of articulator would be indicated for use?

A

Fully adjustable articulator and Semi-adjustable articulator

58
Q

T/F… The non-adjustable articulator is only capable of reproducing one occlusal contact position with no duplication of the patient’s eccentric movements

A

True

59
Q

T/F… An “immediate sideshift” of the orbiting condyle in a lateral translation movement dictates that the posterior cusp heights be shorter

A

True

60
Q

T/F… A facebow transfer procedure is a procedure used to properly orient the maxillary cast on a semi-adjustable
articulator

A

True

Occlusion (5 decks)

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