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P3 > 1 > Flashcards

1 Flashcards

1
Q

THE DENTURE’S THREE SURFACES

A

• Intaglio or fitting
• Polished
• Occlusal

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2
Q

Attaches the teeth to the bone of the jaws

A

PERIODONTIUM

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3
Q

Provides a resilient suspensory apparatus resistant to
functional forces

A

PERIODONTIUM

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4
Q

• Hard connective tissues and soft connective tissues

• Allows the positions of the teeth to change in response to
stress

A

PERIODONTIUM

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5
Q

a poor substitute compounded by the demise of periodontal ligament with its support and
sensory functions.

A

Residual ridges

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6
Q

Occurs about 500 times a day

A. DEGLUTITION
B. CHEWING
C. Both

A

DEGLUTITION

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7
Q

Longer duration of tooth
contacts

A. DEGLUTITION
B. CHEWING
C. Both

A

A

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8
Q

Restricted to short periods
during the day

A. DEGLUTITION
B. CHEWING
C. Both

A

B

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9
Q

Shorter duration of tooth
contacts

A. DEGLUTITION
B. CHEWING
C. Both

A

B

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10
Q

Greatest forces acted on the
teeth

A. DEGLUTITION
B. CHEWING
C. Both

A

C

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11
Q

Vertical in direction

A. DEGLUTITION
B. CHEWING
C. Both

A

C

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12
Q

CHEWING
1. Actual chewing time per meal ___

  1. Four meals per day ____
  2. One chewing stroke per day ___
  3. Duration of each stroke ___
  4. Total chewing forces per day ___
A
  1. 450 sec
  2. 1800 sec
  3. 1800 day
  4. 0.3 sec
  5. 540 sec (9 min)
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13
Q

SWALLOWING MEALS

  1. Duration of one deglutition ____
  2. During chewing, three
    deglutition per min, one third
    with occlusal force __
A

1 sec

30 sec (0.5 min)

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14
Q

BETWEEN MEALS

  1. Daytime 25/hr (16 hr) __
  2. Nighttime 10/hr (8 hr) ___
  3. Total __
A
  1. 400 sec (0.6 min)
  2. 80 sec (1.3 min)
  3. 1050 sec = 17.5 min
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15
Q

Mucosal support for denture

  1. edentulous maxillae
  2. edentulous mandible
A
  1. 22.96cm2
  2. 12.25cm2
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16
Q

Periodontal ligament support for dentate
____ in each dental arch

A

45 cm2

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17
Q

Loss of sensory mechanism

A

RESIDUAL RIDGES

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18
Q

Serves as the foundation for dentures, a role which they
are ill-suited.

A

RESIDUAL RIDGES

19
Q

T/F

RESIDUAL RIDGES

• Denture supporting tissues demonstrate very little
adaptation to their new functional requirements.

• Subject to ongoing resorption resulting to gradual
reduction or virtual disappearance.

A

T

20
Q

Most rapid resorption in the anterior of the mandible

A

RESIDUAL RIDGES

21
Q

T/ F

RESIDUAL RIDGES

Shapes will become altered, an

A

T

22
Q

MUSCULAR FACTORS IN DENTURE RETENTION

A
  1. Buccinator
  2. Orbicularis oris
  3. Intrinsic and extrinsic muscles of tongue
23
Q

WHAT REGULATES MANDIBULAR MOVEMENTS?
Reflex mechanisms with receptors in the

A

• Muscles
• Tendons
• Joints
• Periodontal structures

24
Q

BASED ON THE TYPE OF MOVEMENTS

A
  1. Hinge movement
  2. Protrusive movement
  3. Retrusive movement
  4. Lateral movement
25
Q

OCCLUSION: FUNCTIONAL AND PARAFUNCTIONAL
CONSIDERATIONS
Components:

A
  1. The Dentition
  2. The Neuromuscular System
  3. Craniofacial Structures
26
Q

T/ F

Masticatory system operates best in an environment of continuing
functional equilibrium.

A

T

27
Q

CR –
MIP –

A

Centric Relation

Maximum Intercuspation

28
Q

T/F

PROSTHETIC DENTAL OCCLUSION
• Complete dentures are designed so that their occlusal
surfaces permit multidirectional contact movements of the
maxillary.

A

PROSTHETIC DENTAL OCCLUSION
• Complete dentures are designed so that their occlusal
surfaces permit multidirectional contact movements of the
MANDIBLE.

29
Q

T\ F

PROSTHETIC DENTAL OCCLUSION

Arrangement of the artificial teeth to occupy a so called
“neutral zone” that determines the functional balance of
the orofacial and lingual musculature.

A

T

30
Q

Rhythmic separation and apposition of the
jaws and involves biophysical and biochemical processes.

A

Mastication

31
Q

FUNCTION: MASTICATION AND OTHER MANDIBNULAR
MOVEMENTS

Facilitates swallowing and digestion of carbohydrates by
___.

A

amylase

32
Q

FUNCTION: MASTICATION AND OTHER MANDIBNULAR
MOVEMENTS

Masticatory efficiency of ___ is adequate for complete
digestion of foods.

A

25%

33
Q

CHANGES IN THE MORPHOLOGICAL FACE, HEIGHT, AND TMJ

• ___years of age-final stage of skeletal growth occurs

• Growth and remodeling continue well into adult life and
account for dimensional changes in the adult facial
skeleton

A

20-25

34
Q

CHANGES IN THE MORPHOLOGICAL FACE, HEIGHT,
AND TMJ

Changes in the maxilla and mandible occurs __
depend on the balance of osteoclastic activity

A

Slowly

35
Q

T\ F

Resorption of the alveolar ridges causes reduction int eh
vertical dimension of occlusion.

A

T

36
Q

TMJ CHANGES
CAUSES OF ____

A

TEMPOROMANDIBULAR DISORDER (TMD)

37
Q

→ impaired dental efficiency–tooth loss
→ inappropriate prosthodontic treatment
→ absence of prosthodontic treatment

A

TEMPOROMANDIBULAR DISORDER (TMD)

38
Q

T/ f

Fabrication of new complete denture can reduce and
stabilize TMD signs and symptoms.

A

T

39
Q

T\ f

ESTHETIC CHANGES
→ tooth loss adversely affects a person’s appearance

→ patient’s weight loss
→ age
→ heavy tooth attrition

A

T

40
Q

MORPHOLOGICAL CHANGES ASSOCIATED WITH THE
EDENTULOUS STATE

A

• Deepening of nasolabial groove
• Loss of labiodental angle
• Decrease in horizontal labial angle.
• Narrowing of lips
• Increase in columella-philtral angle
• Prognathic appearance

41
Q

Direction::
Mainly vertical

A. Mastication
B. Parafunction

A

A

42
Q

Direction:

Frequently horizontal and vertical

A. Mastication
B. Parafunction

A

B

43
Q

Duration and magnitude:

Intermittent and light
Diurnal only

A. Mastication
B. Parafunction

A

A

44
Q

Duration and magnitude:

Prolonged, possibly excessive
Both diurnal and nocturnal

A. Mastication
B. Parafunction

A

B

P3 (5 decks)

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