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Prosthodontics > Anatomy and Physiology > Flashcards

Anatomy and Physiology Flashcards

(66 cards)

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1
Q

Changes in Physical Appearance

A 
Collapsed or decreased facial height
Prognathic mandible
Collapsed lips and cheeks
Wide tongue
Deepening of nasolabial grooves
Angular cheilitis
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2
Q

If you lose the teeth you are left with this space

A

Denture Space

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3
Q

Extraoral Exam

A

Facial contours and symmetries
Appearance of the teeth and their relationship with the lips
Function and pattern of jaw movements
Palpation of tmjs

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4
Q

Intraoral Exam

A

Surface qualityand contours of the tissues

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5
Q

The outline of the hollow denture space

A

Neutral zone

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6
Q

What is a neutral zone

A

Potential space between the cheeks and the lips on one side, tongue on the other
Forces between the tongue and cheeks or lips are equal
Teeth were located before

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7
Q

Surfaces to be covered by the neutral zone

A

Basal seat
Denture borders
Polished surface

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8
Q

Vertical dimension

A

Distance between upper and lower arches

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9
Q

Since there are no teeth, centric occlusion cannot be observed to find the right position of the mandible thus we will use

A

Positional relationship

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10
Q

3 CD reqments

A

Biologic
Mechanical
Esthetics

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11
Q

3 biomechanical reqments

A

Retention
Stability
Support

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12
Q

Sources of retention and stability

A

Saliva
Peripheral seal
Neutral zone

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13
Q

Primary source of retention

A

Saliva

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14
Q

What is cohesion

A

Attraction between same or like molecules

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15
Q

Adhesion

A

Atrraction between different molecules

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16
Q

Surface tension

A

Ability of fluid to become thin and establish a surface that is smaller

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17
Q

How to enhance retention

A

Make the space as small as possible between the mucosa and denture space through making an accurate copy

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18
Q

Saliva interface requirements

A

Thin interface
Well adapted
Accurate copy of impression

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19
Q

How to determine the peripheral border seal extent

A 
Know the functional limit
Accurate copy
Border molding
Limiting anatomical structures
Functional movements
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20
Q

Stability

A

Vertically oriented surfaces to prevent horizontal dislodgement

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21
Q

Structures for stability

A

Slopes

Walls

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22
Q

Support structures

A

Horizontally oriented surfaces such as

Bone
Buccal shelfs
Mucosa

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23
Q

Stress bearing mucosa area characteristics

A

Highly keratinized
Thick but firm
Smooth
Enough bone support

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24
Q

Supporting bone stress bearing areas characteristics

A

Thick and firm
Smooth
Highly resistant to resorption
Highly keratinized

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25
Orientation of stress bearing areas
Perpendicular to masticatory forces
26
Production of individual sounds in connected discourse Movement and placement during speech of the organs that serve to interrupt or modify the voiced or unvoiced stream into meaningful words Performed through movements of lower jaw, lips, tongue, soft palate
Speech articulation
27
Rapid periodic opening and closing of the glottis through separation and apposition of the vocal cords that accompanied by breath under lung pressure constitute a source of vocal sound
Phonation
28
Vertical y axis
Facial midline
29
Horizontal x-axis
Interpupillary line
30
Submucosa characteristics for stress bearing areas
CT that varies from dense to loose areolar
31
Characteristics of maxillary primary load bearing areas
Rounded and broad crest Large, wide tuberosities Nearly horizontal slopes
32
Delineates the movable soft palate from immovable soft palate Positioned 1-2 mm anterior to the fovea palatinae
Vibrating line
33
Part of impression tray that provides the replication of glandular zone
Apron
34
Most favorable palata vault configuration
Dome shaped
35
Soft palatal form best in terms of retention and stability
Class 2 (45 degrees)
36
Maxillary Primary load bearing areas
Horizontal surface of the hard palate | Maxillary tuberosity
37
What will happen to severly resorbed maxillary tuberosity
Slide forward of dentures
38
What structure is considerably secondary load bearing areas due to possible resorption
Favorable crests and slopes of residual ridges
39
Secondary load bearing areas of the maxilla
Favorable crests and slopes of residual ridges | Rugae
40
Corrugated tissue side of the denture increases the surface area
Rugae
41
Maxillary non stress bearing areas
``` Incisive foramen Median palatine raphe Torus palatinus Spine of greater palatine foramen Unfavorable residual crests, slopes and tuberosity ```
42
This space compromises the seal created by saliva
Relief
43
Nonstress bearing areas containing nasopalatine nerve
Incisive foramen
44
Stable positional reference in establishing midline of the faces and position of pontics
Incisive foramen
45
Mucosa is thin due to prominence of bone, painful when compressed
Median palatine raphe
46
Attachment levels of frenum
Vestibular Crestal Intermediate
47
Most favorable frenal attachment
Vestibular
48
Muscle responsible for connection of Labial frenum Labial vestibule Buccal frena some parts
Orbicularis oris
49
Buccintor muscle is concerned with
``` Buccal frena (main muscle) Buccal vestibule ```
50
Form the dividing line between labial and buccal vestibules
Buccal frena
51
Deepest area of buccal vestibule
Distobuccal maxillary tuberosity
52
Influence of the coronoid process of mandible
Thickness of the buccal flange
53
Deepest area | Distal limit of the buccal vestibule
Hamular notch
54
Other name of hamular notch
Pterygomaxillary notch
55
More posterior to hamular notch connecting it to posterior of retromolar pad
Pterygomandibular raphe
56
Say ahhhh
Vibrating lines
57
Stress bearing areas of the mandible
Retromolar pad | Buccal shelf
58
Secondary load bearing areas of mandible
Residual ridges
59
Lower anterior segment is unfavorable due to
More prone to resorption due to greater amount of spongy type of bone and thin and narrow anatomy
60
Found bet first and second lower premolar when force is applied results into tingling sensation
Mental foramen
61
Bony prominence that runs horizontally thru the lingual surface from anterior to posterior Slopes upward to posterior
Mylohyoid line and tubercle
62
Behind the slope of the mylohyoid ridge
Retromylohyoid fossa
63
Anatomy that will serve as landmark how far the mandi buccal extension is
External oblique ridge
64
Class one px exhibits residual mand bone height of at least
21 mm
65
Class 2 px presents at least the height of
16-20 mm
66
Class 4 patients present
Less than 10 mm

Prosthodontics (1 decks)

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