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Advanced Restorative Dentistry > Final Review- Lecture 2 > Flashcards

Final Review- Lecture 2 Flashcards

(48 cards)

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1
Q

Improvements made possible by digital dentistry:

A
  1. adaptation and material properties
  2. esthetic outcomes
  3. improved process for operator/dentist
  4. improved experience for patient
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2
Q

_____ produces better adaptation of prosthesis

A

CAD/CAM

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3
Q

Material properties for digital dentures include:

A
  1. strength
  2. density
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4
Q

Rationale for digitial dentistry specific to digitial dentures include improvements in:

A
  1. adaptation of the prosthesis
  2. retention of the prosthesis
  3. material properties
  4. esthetic outcomes
  5. improved process for opertor/dentist
  6. improved experience for patients
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5
Q

_________ denture bases are significantly more retentive as compared to ____ denture bases

A

milled; heat polymerized

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6
Q

How do we assess the strength of material in regard to dentures:

A

Flexural strength

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7
Q

How is flexural strength measured?

A

3-point bend test (MPa)

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8
Q

List in order from strongest to weakest, the flexural strength of the following:

-3D printed resin
-Milled resin
-Heat processed resin

A
  1. Milled resin (strongest)
  2. 3D printed resin
  3. Heat processed resin (weakest)
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9
Q

Compare the following between milled and conventional dentures:

  1. Ultimate strength
  2. Flexural elastic modulus
  3. Yield strength
A

Ultimate strength:
CD: 96 GPa
M: 121 GPa

Flexural elastic modulus:
CD: 2.7 GPa
M: 2.7 GPa

Yield strength:
CD: 54 MPa
M: 71 MPa

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10
Q

T/F: Milled dentures show a clinical application of increased strength

A

True

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11
Q

The increased density of material of a milled denture results in:

A

Decreased candida adherence and resduced residual monomer

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12
Q

What factors contribute to the esthetic outcome of a milled denture?

A
  1. tooth arrangement (mould, size)
  2. Color (hue, value, chroma)
  3. Texture
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13
Q

The Ivotion denture system includes tooth shades:

A

-BL3
-B1
-A1
-A2
-A3
-A3.5

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14
Q

What contributes to the improed process for operator/dentist and improved experience for patients?

A
  1. workflow
  2. fewer clinical appointments
  3. less chair time
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15
Q

List the key differences between digitial and conventional dentures:

A
  1. improved precision & fit
  2. enhanced workflow efficiency
  3. repeatability and customization
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16
Q

Describe the differences with PRECISION & FIT of a digital and conventional denture:

A

Digital: precise fit with CAD/CAM and fewer adjustments

Conventional: manual methods/less accurate

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17
Q

Describe the differences with WORKFLOW EFFICIENCY of a digital and conventional denture:

A

Digital: if familiar with the workflow, faster process

Conventional: time-consuming & multiple steps

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18
Q

Describe the differences with REPEATABILITY & CUSTOMIZATION of a digital and conventional denture:

A

Digital: easy to duplicate or adjust

Conventional: must start over if damaged or lost

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19
Q

Materials with a higher flexural strength are:

A

less likely to fracture

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20
Q

Higher flexural strength and modulus enable ____ that allow for _____

Study These Flashcards
A

thinner designs; better phonetics

21
Q

Lower surface roughness in intraoral media will:

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A

retain less biofilm

22
Q

What does the digital denture start as?

Study These Flashcards
A

Monolithic denture puck

23
Q

List the digital denture workfow:

Study These Flashcards
A

Appt 1: Preliminary impression

Appt 2: Secondary impression & jaw relations

Appt 3: Clinical trial appointment

Appt 4: Clinical insertion of prosthesis

24
Q

Describe what occurs at the preliminary impression appointment (appt 1):

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A

Student fabricates custom trays with attached occlusal rim

25
Describe what occurs at the secondary impression & jaw relation appointment:
QA step, review/approve digital design, request 3D printed trial dentures
26
Describe what occurs at the clinical trial appointment:
Request milling of digital prosthesis
27
At the first clinical appointment the student makes:
preliminary impressions
28
On the preliminary cast, the students makes a:
well-fitted custom tray with the waxed rim attached
29
The 2nd clinical appointment is for:
Secondary impression and jaw relations
30
What needs to be identified during the secondary impression and jaw relations appointment?
1. midline 2. incisal plane 3. CR record at OVD 4. tooth molds and shade
31
At the second clinical appointment, the CR record should be taken at:
OVD
32
What is the third clinical appointment?
Clincal trial appointment
33
What parameters should be evaluated (in order) at the clinical trial appointment (third appointment)?
1. Fit of the abse/intaglio surface & border extension 2. CR=CO 3. OVD 4. Lip support 5. Incisal plane (parallel to interpupillary line) 6. Midline 7. Tooth moulds 8. Position of maxillary anterior teeth 9. Buccal corridor 10. Occlusal plane
34
When assessing the OVD at the third clinical appointment, what factors are we looking at?
1. phonetics 2. physiologic rest position (PRP) 3. facial measurements & tactile sense 4. swallowing
35
What is the FIRST parameter assessed at the third clinical appointment?
Fit of the base/intaglio surface & border extension
36
What is the SECOND parameter to be assessed at the third clinical appointment?
CR=CO
37
What is the THIRD parameter to be assessed at the third clinical appointment?
OVD
38
When evaluating the fourth parameter of the clinical try in appointment (lip support), we should evaluate:
1. borders of the base 2. position of the anterior teeth
39
When evaluating the fifth parameter of the clinical try in appointment (incisal plane) the incisal plane should be:
Parallel to the interpupillary line
40
The incisal plane should be:
parallel to the interpupillary line
41
When evaluating the eighth parameter of the clinical try in appointment (position of maxillary teeth), in what dimensions are we looking at the teeth?
FL & IG
42
When evaluating the eighth parameter of the clinical try in appointment (position of maxillary teeth) we are looking at:
1. phonetics 2. esthetics 3. inclination & relation to incisive papilla
43
The anterior teeth should be inclined:
Labially
44
Which of the anterior teeth should have the greatest labial inclination?
Central incisor
45
The central incisor should have the greatest labial inclination at:
28 degrees to the sagittal plane
46
The printed resin dentures can be modified by:
1. adding material (composite resin) 2. removing material (using slow speed handpiece)
47
What is the fourth clinical appointment?
Insertion of the digital dentures
48
Preferably at the fourth clinical appointment, there should be NO:
1. adjustments needed on the intaglio surface 2. occlusal adjustments

Advanced Restorative Dentistry (13 decks)

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