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Flashcards in EXAM 2-all the above material Deck (88)
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1
Q

The position of the TemporoMandibular Ligament is designed to limit the pure ______ axis _______ movement of the mandible.

A

HINGE…Rotational

2
Q

The full length of the TemporoMandibular Ligament occurs at no more than ___-___mm of opening, measured by the maxillary and mandibular _______.

A

15-20 mm….incisiors

3
Q

The TemporoMandibular Ligament has a _______ at the 15-20mm of opening, the _______ movement then commences.

A

Pivot Point….Translation

4
Q

In a Saggital View of the Articular Disc & Fossa: The ______ border of the articular disc is ______ than the anterior border.

A

posterior….THICKER

5
Q

In a Saggital View of the Articular Disc & Fossa: most of the mandibular movement occurs in the ________ zone and the ______ region.

A

intermediate zone…anterior

6
Q

The retrodiscal tissue: elastic or distended?

A

elastic

7
Q

The retrodiscal tissue: is it innervated? is it vascular?

A

YES! Highly innervated AND vascular!!

8
Q

The retrodiscal tissue: painful if placing significant force, aka “______”

A

“load”

9
Q

The retrodiscal tissue: ______ can cause inflammation surrounding the articular disc, ESPECIALLY in our retrodiscl tissues.

A

Trauma

10
Q

MAXIMUM INTERCUSPATION, from a force perspective…what’s ideal?: For Angle Class I occlusion, the relations of what 2 teeth are most important?

A

the first molars and the canines!

11
Q

MAXIMUM INTERCUSPATION, from a force perspective…what’s ideal?: there must be adequate ______ of the maxillary over the mandibular teeth.

A

overlap

12
Q

MAXIMUM INTERCUSPATION, from a force perspective…what’s ideal?: Occlusial forces should be exerted down the _______ of _______ teeth.

A

long axis…posterior

13
Q

MAXIMUM INTERCUSPATION, from a force perspective…what’s ideal?: There MUST BE _______ contact of all the maxillary and mandibular teeth!

A

SIMULTANEOUS

14
Q

MAXIMUM INTERCUSPATION, from a force perspective…what’s ideal?: 50 SHADES!!! Posterior tooth occlusial contacts should _______ over the anterior teeth.

A

DOMINATE

15
Q

MAXIMUM INTERCUSPATION, from a force perspective…what’s ideal?: Anterior teeth should display “_____” occlusal contact or ______ occlusal contact with each other.

A

“passive”…minimal

16
Q

MAXIMUM INTERCUSPATION, from a force perspective…what’s ideal?: _______ occlusial contacts for even _______ of forces on all teeth.

A

MULTIPLE….distribution

17
Q

The Temporalis: this action is considered NORMAL fxn and helps seat the CONDYLES into the mandibular FOSSA….

A

RETRACTION/RETRUSION of the mandible

18
Q

The Temporalis: it positions the mandible to obtain this VERY important relationship….

A

CENTRIC RELATION

19
Q

The Medial Pterygoid: it is the PRIMARY muscle to produce ________ movement.

A

mediotrusive

20
Q

Lateral Pterygoid, Superior Head: it is ________ active during CLOSING of the mandible, which is considered normal function.

A

PROGRESSIVELY

21
Q

Lateral Pterygoid, Superior Head: frequently displays a _____ as a result of some types of occlusial dysfunction.

A

SPASM!!

22
Q

Lateral Pterygoid, Superior Head: a SPASM here will result in the articular disc being pulled ______ out of the glenoid fossa..it is considered ________ activity.

A

ANTERIORLY…parafunctional

23
Q

Normal Closure of the Mandible: the condyle will be located primarily in the _______.

A

glenoid fossa

24
Q

Normal Closure of the Mandible: the ______ fibers of the TEMPORALIS will contract.

A

ANTERIOR

25
Q

Normal Closure of the Mandible: the ______ pterygoid muscle will contract.

A

medial

26
Q

Normal Closure of the Mandible: the entire ______ muscle will contract.

A

Masseter

27
Q

Normal Closure of the Mandible: the suprahyoids and infrahyoids will ______.

A

relax

28
Q

Normal Closure of the Mandible: the _______ neck musculature will minimally contract to hold the cranium in place.

A

posterior

29
Q

Arch Alignment factors: Max and Mand arch ____

A

size

30
Q

Arch Alignment factors: Occlusal _______ relationships

A

contacting

31
Q

Arch Alignment factors: the _______ is in a facial-lingual equilibrium.

A

musculature

32
Q

Arch Alignment factors: These PROBLEMS can also influence the arch: _____functional activity, ______ teeth, _______ cusps, severely ______ teeth, and lastly ______ or _______-positioned teeth!

A

Parafunctional, missing, fractured, carious, rotated or ectopically

33
Q

What two teeth does the maxillary 2nd molar contact in occlusion?

A

Mandibular 2nd molar, Mandibular 3rd molar

34
Q

Ideal force application: Forces placed on the _______ teeth are intended to go up and down the long axis of the roots.

A

Posterior

35
Q

What is the PREFERRED name for the maxillary LINGUAL cusps and mandibular FACIAL cusps as they relate to each other?

A

CENTRIC (making max-facial and mand-lingual cusps to be “non-centric”

36
Q

Static/Stationary Occlusion: In ideal tooth positions- _________ will and _______ are coincident. (PLEASE don’t get this wrong)

A

Centric Relation and Maximum Intercuspation

37
Q

Static/Stationary Occlusion: each tooth has _______ locations of where contacts should be at complete closure.

A

PRECISE

38
Q

Static/Stationary Occlusion: tooth contact should be precise, _______, and short-lasting.

A

minimal

39
Q

Static/Stationary Occlusion: the arches should receive contact THEN ________/_______ from each other, when movement commences.

A

release/disengage

40
Q

Static/Stationary Occlusion: many contacts are _______ driven (strategic locations for optimal stationary occlusal contact)

A

anatomically

41
Q

Non-Centric Cusp location: where does the ML cusp of the second mandibular molar rest in normal occlusion?

A

lingual embrasure between the max 1st and second molars

42
Q

Non-centric cusp location: where does the DF cusp of the Max 1st molar rest during normal occlusion? (2)

A

1.DF groove of the mand 1st molar OR the facial embrasure between the mand 1st and 2nd molars

43
Q

Which pathway of mandibular cusps positioned over maxillary teeth is a 45 degree angle between protrusion and working movements?

A

Lateral Protrusive pathway

44
Q

The lateral protrusive pathway is a 45 degree angle between the ______ and the _____ pathways.

A

working and protrusion pathways

45
Q

In a non-working movement where does the left mandibular 1st molar’s DL cusp start before making mediotrusive movement?

A

the LINGUAL GROOVE of the max 1st molar

46
Q

In a moving diagram, with view of the mandibular left teeth which movement is being made with and arrow pointing in the lingual direction from the central fossa of the 1st molar?

A

working (laterotrusive)

47
Q

In a moving diagram, with a view of the mandibuar right teeth, what type of movement is shown with an arrow pointing from the central fossa of the 1st molar to the facial?

A

non-fxnal…(can’t go perfectly facial, going facial AND posterior would be non-working side)

48
Q

What is the most anterior position in the border movements of a sagittal plane view?

A

Maximum protrusion

49
Q

What position is most superior in the border movements in a frontal plane?

A

Maximum intercuspation (NOT Centric Relation)

50
Q

When tracing mandibular movement at the condyler level and looking at a sagittal view, what pathway yields the most superior condyle position?

A

the Working Pathway

51
Q

As Horizontal Overlap increases, the anterior guidance angle ______.

A

decreases

52
Q

An increase in Horizontal Overlap (with the anterior guidance angle diminished) results in less vertical displacement of the mandible and _______ posterior cusps.

A

FLATTER

53
Q

If our anterior controlling factors have an angle of 57 degrees and the posterior controlling factors have an able of 45 degrees, what teeth are affected the most: the mand 1st molar or the mand 1st PM?

A

the closer to the anterior the more affected, so the mand 1st PM

54
Q

The longer the radius of the imaginary circle, the ______ the Curve of Spee.

A

FLATTER

55
Q

What do we call it when the initial mandibular lateral translation occurs BEFORE the condyle translates in the fossa?

A

Immediate Sideshift

56
Q

The greater the immediate side shift, the _______ the cusps MUST be and the ______ are the OPPOSING fossae and grooves.

A

shorter…wider

57
Q

The greater the distance of the tooth from the axis of rotation (the ______ condyle) the ______ the angle formed by latero and mediotrusive pathways.

A

working condyle…wider

58
Q

Factor: Distance from working condyle—–>Condition: Greater the Distance—–>Effect: ______ the angle between laterotrusive and mediotrusive pathways.

A

Wider

59
Q

SemiAdjustable Articulator: A significant advantage over the nonadjustable in replicating the patients specific ______ movement.

A

condylar

60
Q

SemiAdjustable Articulator: Excellent for _______ dental treatment.

A

routine

61
Q

SemiAdjustable Articulator: more _____ consuming because info must be passed from patient to _______.

A

time…articulator

62
Q

SemiAdjustable Articulator: more ______ than the non-adjustable, but pales in comparison to the fully adjustable.

A

EXPENSIVE

63
Q

What are the 3 things necessary to go with the use of a fully adjustable articulator? Do you use a cast to mount?

A

1.Exact hinge location of the condyles (special facebow) 2.Pantograph 3.CR occlusal record (NOT M.I.!!)…….NO cast mount!

64
Q

Working Side Occlusial Interferences are potentially observed on the following surfaces: Lingual inclines of the maxillary posterior ____ cusps (due to “__” type of contacts)

A

posterior facial cusps…“A” contacts

65
Q

Working Side Occlusial Interferences are potentially observed on the following surfaces: Facial inclines of the mandibular posterior _____ cusps….(a type “___” contact)

A

facial…“A” contact

66
Q

Working Side Occlusial Interferences are potentially observed on the following surfaces: Lingual inclines of the maxillary posterior _____ cusps…Type “C” contacts.

A

lingual

67
Q

Working Side Occlusial Interferences are potentially observed on the following surfaces: Facial inclines of the mandibular posterior _____ cusps…Type “C” contacts.

A

lingual

68
Q

Working Side Occlusial Interferences are potentially observed on the following surfaces: ARE ONLY DUE TO type “__” and type “__” contacts.

A

A and C!

69
Q

Locations of NON-working interferences on the mandible are on the lingual inclines of the Mandibular posterior _____ cusps. (remember working BULL???!!)

A

Facial= non-working on lower posteriors (lower lingual=working)

70
Q

“A” & “C” contacts will display the condyle on the _______ side deviating laterally, while the condyle on the SAME side of the interference is ______ to centric relation.

A

OPPOSITE side….anterior to centric relation

71
Q

Myofacial Pain Syndrome is pain of a regional nature beginning with a ______ within muscle/facia.

A

trigger point

72
Q

In Myofacial Pain Syndrome, pain can _____ to other areas of the body.

A

refer

73
Q

What is associated with blanching, coldness, sweating, erythema, hyperesthesia, and hyperalgesa?

A

Myofacial Pain Syndrome

74
Q

In the dreaded TRISMUS: the pain is ______

A

variable

75
Q

In the dreaded TRISMUS: the incisal-interocclusial distance is less than __mm!

A

18mm

76
Q

In the dreaded TRISMUS: has a ____ end-feel (articular disc is ______ to the head of the condyle and when the Pt opens the condyle stops at the A.D.)

A

HARD…anterior

77
Q

In the dreaded TRISMUS: the process IS _______!! (GOOD!)

A

reversible

78
Q

In the dreaded TRISMUS, it is secondary to these 3 things:

A

1.Infection 2.Hematoma 3. Trauma

79
Q

Where does pain refer to with a trigger point in the ANTERIOR Temporalis?

A

Maxillary Incisors!

80
Q

_____ Articular Disc click: happens in the articular disc regaining its position.

A

opening

81
Q

______ Articular Disc click: pops out of the position to the anterior, very near close.

A

Closing

82
Q

INTRAcapsular Disorders: can INCREASE pain with increased intraarticular ______ and mandibular movement.

A

pressure

83
Q

INTRAcapsular Disorders: any movement provoked by manipulation of the mandible will elicit pain if it increases ______ on the TMJ.

A

pressure (yet again!)

84
Q

INTRAcapsular Disorders: If Pt has pain from biting on the TONGUE BLADE the _________ muscle will exhibit pain!

A

Inferior Lateral Pterygoid!

85
Q

INTRAcapsular Disorders: Having the Pt _______ the mandible against resistance as they bite will NOT increase pain if the problem is indeed intracapsular.

A

protrude

86
Q

INTRAcapsular Disorders: biting on the opposite side of the affected joint will ______ pain (because of the ______ effect)

A

increase…fulcrum

87
Q

What are the 2 main pain sources NOT TO CONFUSE with TMJ pain??

A
  1. Necrotic Pulp Pain 2. Cervical Spine Pain (reflex to Trigeminal/M of M pain)
88
Q

Spontaneuos Subluxation/Dislocation of the condyle from the eminence (YIKES): the Articular Disc has become _____ OR ______ placed in reference to the condyle. Now the condyle is anterior to the _______. Don’t worry though, the condyle can be replaced with _______.

A

anteriorly OR posteriorly…..articular eminence….manipulation of the mandible by the clinician!