Advanced Restorative- Final Review- Lecture 2 Flashcards

(49 cards)

1
Q

Improvements made possible by digital dentistry:

A
  1. adaptation & material properties
  2. esthetic outcomies
  3. improved process for operator/dentist
  4. improved experience for patients
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

____ produces better adaptation of prosheses:

A

CAD/CAM

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

Material properties for digital dentures include:

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

Rational for digital dentistry specific to digital 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 operator/dentist
  6. improved experience for patients
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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

A

Milled; heat polymerized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

flexural strength

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

How is flexural strength measured?

A

3-point bend test (MPa)

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

Compare the following between milled and conventional dentures:

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

Ultimate Strength:
M: 121 GPa
CV: 96 GPa

Flexural Elastic Modulus:
M: 2.7 GPa
CV: 2.7 GPa

Yield Strength:
M: 71 MPa
CV: 54 MPa

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

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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

A

decreased candida adherence and reduced residual monomer

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

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

A
  1. tooth arrangement (mould, size)
  2. Color (hue, value, chroma)
  3. texture
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The Ivotion denture system includes tooth shades:

A

BL3
B1
A1
A2
A3
A3.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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

A
  1. workflow
  2. fewer clinical appointments
  3. less chair- time
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

List the key difference between digital & conventional dentures:

A
  1. Improved precision and fit
  2. Enhanced workflow efficiency
  3. Repeatability & customization
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

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

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

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

Materials with a higher flexural strength are:

A

Less likely to fracture

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

Higher flexural strength and modulus enable ____ that allow for ____

A

Thinner designs; better phonetics

21
Q

Lower surface roughness and intraoral medial will:

A

Retain less biofilm

22
Q

What does the digital denture start out as?

A

monolithic denture puck

23
Q

List the digital denture workflow:

A

APPT 1: Preliminary impression

APPT 2: Secondary impression and jaw relations

APPT 3: Clinical trial appointment

APPT 4: Clinical insertion of prosthesis

24
Q

Describe the preliminary impression appointment (APPT 1):

A

Student fabricates custom trays with attached occlusion rim

25
Describe the secondary impression and jaw relation appointment (APPT 2):
QA step, review/approve digital design, request 3D printed trial dentures
26
Describe the clinical trial appointment (APPT 3):
Request milling of digital prosthesis
27
At the first clinical appointment, the student makes:
Preliminary impressions
28
On the preliminary casts, the students are a:
well-fitted custom tray with a wax rim attached
29
The 2nd clinical appointment is for:
secondary impression & jaw relations
30
What needs to be identified during the secondary impression & jaw relations appointment?
1. midline 2. incisal plane 3. CR record at OVD 4. Tooth moulds & shade
31
At the 2nd clinical appointment the CR record should be taken at:
OVD
32
What is the 3rd clinical appointment?
Clinical Trial Appointment
33
What parameters should be evaluated (in order) at the clinical trial appointment (3rd appointment)?
1. Fit of the base/intaglio surface and border extension 2. CR=CO 3. OVD 4. Lip support 5. Incisal Plane (Parallel to inter pupillary 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 3rd clinical appointment, what factors are we looking at?
1. Phonetics 2. Physiologic Rest Position (PRP) 3. Facial measurements and tactile sens 4. Swallowing
35
What is the FIRST parameter assessed at the 3rd clinical appointment?
Fit of the base/intaglio surface and border extension
36
What is the SECOND parameter to be assessed at the 3rd clinical appointment?
CR= CO
37
What is the THIRD parameter to be assessed at the 3rd clinical appointment?
OVD
38
When evaluating the 4th parameter of the clinical trial appointment (lip support), we should evaluate:
1. borders of the base 2. position of the anterior teeth
39
When evaluating the 5th parameter of the clinical trial appointment (Incisal plane), the incisal plane should be:
Parallel to the inter pupillary line
40
The incisal plane should be parallel to:
inter pupillary line
41
When evaluating the 8th parameter of the clinical trial appointment (position of maxillary teeth), in what dimensions are we looking at the teeth:
FL and IG
42
When evaluating the 8th parameter of the clinical trial appointment (position of maxillary teeth), we are looking at:
1. phonetics 2. esthetics 3. Inclinations and 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 a slow speed handpiece)
47
What is the 4th clinical appointment?
Insertion of the digital dentures
48
Preferably at the 4th clinical appointment, there should be NO:
1. adjustments needed on the intaglio surface 2. occlusal adjustments
49