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SP16- Operative > Digital Imaging and CAD / CAM > Flashcards

Digital Imaging and CAD / CAM Flashcards

1
Q

The digital impression system can be used to make ______ dentistry restorations, thereby speeding up patient treatment.

A

same day

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2
Q

Which dental material would not be made via CAD/CAM due to cost?

A

Gold…most of it would be washed down the drain

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3
Q

True or False: There is no need to pack cord for digital impression making.

A

True

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4
Q

How quickly can the digital scan be completed?

A

3 to 5 mins

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5
Q

How does digital imaging contribute to “green dentistry?”

A
  • images are stored paper-free and indefinitely

- eliminates need for disposable plastic trays and materials

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6
Q

How does the “iSeries 3D Impression Scanner” work?

A

its kinda-sorta-digital

  • scan the mouth
  • sends directly to laboratory of choice
  • lab fabrication
  • restoration mailed back
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7
Q

What is the digital imaging system that is made by 3M in the united states?

A

True Definition

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8
Q

Which digital imaging system is made by Sirona in the US and Germany?

A

Cerec

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9
Q

What is 3M True Definition’s motto? Why?

A

3D in Motion

-video technology allows you to capture and simultaneously view a true replica of the oral anatomy

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10
Q

How does 3M True Definition claim to lower lab and labor costs?

A

Faster seating time and fewer remakes due to PRECISE fitting restorations (99.7% fit rate)

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11
Q

The 3M True Definition Scanner is cheap. So why is digital imaging still considered expensive?

A

every time an image is uploaded to the server and sent to the “connection center” there is a charge to your office

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12
Q

After images are scanned and send to the 3M connection center, what are the two options for completing the restoration?

A
  1. All Digital Model-Free workflow

2. Trusted Model Workflow

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13
Q

True or False: 3M True Definition has a connection to Invisalign.

A

True

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14
Q

Does 3M True Definition work with all implant systems? Which implant system does 3M have a trusted connection to?

A

not all of them are scannable yet

3M–> BIOMET 3i BellaTek Encode Healing Abutment

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15
Q

What is the name of the In-Office milling system that is connected to the 3M True Definition Scanner? What is the potential issue with this system?

A

FastDesign CAD Station= IOS Technologies TS150

-Multiple companies are involved…who takes responsibility when something goes wrong?

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16
Q

3M has a trusted connection to the _______ Chairside Mill.

A

E4D Technology

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17
Q

The E4D technology has an automatic ________ that selects the appropriate ____ and replaces those that are worn.

A

tool changer

bur

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18
Q

The IOS FastScan Digital Impression System from Glidewell Labs, has a ______ scanning area and scans at _____ mm per second.

A

large (40 x 16 mm)

40 mm per second

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19
Q

The Lythos Digital Impression System from Ormco Corporation is used for _______ and does a full mouth scan in as little as ____ mins.

A

orthodontics

7 mins

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20
Q

TRIOS Digital and Color Impression Cart Solution from 3Shape is used at Ohio State for _______ and is able to create true ______ based on real data.

A 
orthodontics
geometrics (utilizes 1000 3D images)

Very Accurate

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21
Q

TRIOS by 3Shape allows you to choose between which two options?

A

cart solution

pod solution

22
Q

Which intraoral scanner is completely portable and is from Carestream Dental (an offspring of KODAK)?

A

CS 3500 Intraoral Scanner

23
Q

What does CAD stand for?

A

Computer Aided Design

24
Q

What is the milling accuracy of the CS 3000 Milling Unit?

a. +/- 8 microns
b. +/- 12 microns
c. +/- 15 microns
d. +/- 25 microns

A

+/- 25 microns

25
Q

Digital Imaging with CAD/CAM all in one system includes which three systems? What is the benefit of this?

A
  1. Carestream
  2. Planmecca (E4D)
  3. Sirona Cerec

One company = takes responsibility for errors

26
Q

What does CAD/CAM stand for?

A

Computer Aided Design/ Computer Aided Machining

27
Q

What is the difference between “copy milling” and “CAD/CAM milling?”

A

Copy Milling = mechanical scanner (uses replica as guide)

CAD/CAM milling = optical scanner (uses digital information)

28
Q

CAD/CAM was introduced into industrial settings in the _____ and the first CEREC 2D design software was introduced in the ______ (when sharples graduated).

A

1950s

1980s (83-85)

29
Q

When was the CEREC 3D design software introduced? (when sharples started at OSU)

30
Q

True or False: PlanScan Intraoral Scanner from Planmeca (USA) is probably where OSU technology will be investing in the future.

31
Q

Planmeca PlanScan technology is ______, ________, ______ and ______.

A

easy (no powder)
accurate (short wavelengths)
fast
convenient (self-replacing burs)

32
Q

Why is Planmeca PlanScan so accurate?

A

it uses a smaller wavelength (450nm) which is more reflective and results in sharper images

33
Q

True or False: E4D, Cerec, and True Definition can be used for fabricating FPDs.

34
Q

What are the three CEREC Block options?

A
  1. Glass Ceramic
  2. Lithium Disilicate
  3. Composite Resin
35
Q

Zirconia material is less _____ but higher ______.

A

esthetic
strength

(use in the posterior)

36
Q

Vita Alumina, Vita Spinell, Vita Zirconium, and eMAX ZirCAD are examples of ______.

A

high strength lab coping ceramics

37
Q

True or False: Crystallize –> Mill –> Glaze

A

False: Mill, Crystallize, Glaze

38
Q

True or False: Zirconia is not typically a one-day chairside crown.

A

True, it has a 4-6 hours crystallization process

39
Q

True or False: IPS EmpressCAD is the most esthetic chairside material.

A

True, Empress = perfect like a princess

40
Q

What are the three chairside block materials used for provisionals?

A
  1. VITA CAD-Temp
  2. artBloc Temp
  3. artegral ImCrown (used with Cerec 3D)
41
Q

What are the two composite block materials made by 3M?

A
  1. Paradigm MZ100

2. Lava Ultimate

42
Q

How can Paradigm blocks be modified?

A

internal shades can be modified with Sinfony to make more or less translucent

43
Q

Mark II, Sirona, Empress, e-max, and paradigm C are examples of ______ blocks.

44
Q

Which block material is sometimes called the “blue block?”

A

e-max (Lithium Disilicate)

45
Q

Ceramic materials are etched with ________ acid in order to bond.

A

hydrofluoric acid

46
Q

True or False: Empress blocks take translucency into consideration.

A

True,
HT = high
LT = low

47
Q

What is the second strongest ceramic material, behind zirconia?

A

Lithium Disilicate (IPS e.MAX)

48
Q

Why is it important that you indicate the material choice prior to milling a restoration?

A

the restoration WILL shrink, the system will take this into consideration based on the material of choice

49
Q

How long is the Crystallization and Glazing cycle? What is required during this process?

A 
19 mins  (plus warm-up/cool-down ~25 total)
vacuum is required
50
Q

Place the machinable materials in order of flexural strength (strong to weak).

A 
YZ Zirconia Blocks
eMAX ZirCAD Blocks
Vita Zirconia Blocs
Vita Alumina Blocs
e.Max CAD
EmpressCAD
Paradigm C
Paradigm
Vita Mark II
51
Q

Which three companies have digital imaging with CAD/CAM all in one system?

A
  1. Carestream
  2. Planmecca (E4D)
  3. Sirona (CEREC)

SP16- Operative (8 decks)

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