Dental Continuing Education Test - Diagnosis & Placement of No-Prep Veneers - Glidewell Dental Lab Continuing Education

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Diagnosis & Placement of No-Prep Veneers (© 2008)
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For no-prep versus minimal-prep veneers:

there is no difference because no-prep veneers still require at least a minimal amount of tooth-preparation

no-prep veneers and minimal-prep veneers should never be mixed on the same case

a minimal-prep veneer is more like a 7/8TH crown than a no-prep veneer

none of the above

Which of the following is NOT true about no-prep veneers:

they are a relatively new technique that has just came out in the last few years

they predate prep-veneers

bonding to dentin is not required

prepping a margin is not required

Comparing a prepped-veneer to a crown:

a veneer prep is like preparing half or three-quarters of a crown – everything but the lingual cingulum

debonding and post-operative sensitivity may be more of a problem with a prepped-veneer

prepping, temporization and seating a prepped-veneer may be more difficult

all of the above

Some new advances and technology that underlie the success of no-prep and minimal-prep veneers include:

better dentin bonding materials

the ability to press ceramic veneers at three-tenths of a millimeter

digitally-controlled ceramic ovens

all of the above

An easy way to decide if a case is a no-prep or a minimal-prep case is send a study model to the laboratory.

True

False

A no-prep veneer's small porcelain "speed bump" at the gingival margin is not clinically significant.

True

False

Be careful about calling no-prep veneers reversible because they are not.

True

False

Which of the above is/are true:

too big a point is made of gingival emergence profile

the coronal contour of the marginal area has little or nothing to do with the health of the gingiva

both a and b

none of the above

It was observed that restored teeth "grow" – they get bigger, never smaller:

because dentists like to be conservative and have tendency to under-prepare teeth

because technicians have tendency to overbuild restorations for improved esthetics

so, no-prep veneers adjacent to restorative dentistry can help finish out cases

all of the above

10.

Which was NOT discussed:

use of the three-cord impression technique

bur selection for no-prep veneers

bonding no-prep veneers to existing gold crowns

none of the above were discussed

11.

We are able to do no-prep veneers on cases that four years ago would have been minimal-prep veneer cases:

because of the technology of the porcelain – we can now press veneers as thin 0.3 mm

because there are no facial limiting factors that ever require recontouring or preparation on the tooth

both a and b

none of the above

12.

For no-prep veneers, there will be no:

shots, drilling, margins or temporaries

impressions or second appointments

shade options

masking of dark teeth

13.

Although as thin as just 0.3 mm, ten no-prep veneers across will result in a huge-looking smile

True

False

14.

It is surprisingly difficult to find patients who want no-prep veneers

True

False

15.

For minimal-prep veneers:

temporaries are seldom required

for the "dentalphobic," some adjusting and line angle recontouring may be done with a course sandpaper disk

both a and b

none of the above

16.

For no-prep veneers:

impression accuracy is not important because there is no retraction, cord-packing or margins.

the use of a custom tray and a crown and bridge impression material is suggested

impressions are a snap because a quick and simple alginate impression is all that is necessary

none of the above

17.

When providing the lab with the desired shade for no-prep veneers:

the current shade of the patient's unprepared tooth is necessary

internal opaquing or prepped veneers may be necessary to block out a dark underlying tooth color

mailing a digital photo of a shade guide placed next to the unprepared tooth was suggested

all of the above

18.

Addressing perceptions that thin no-prep veneers are inherently very weak, it was noted that:

you do not have to be so gentle and meek that you cannot seat no-prep veneers with orangewood sticks

bonding to etched enamel is extremely strong – the strongest bond in dentistry

both a and b

none of the above are true

19.

When cementing and finishing no-prep veneers:

just a small amount of etchant probably will cause bleeding gums and compromise the bond

the dentin bond in a two-bottle system may cause no-prep patients some post-operative sensitivity

it was taught that grinding and polishing the "ceramic speed bump at the gingival margin" should be avoided

none of the above

20.

To clean up the cement at the gingival margin, all of the following were recommended except:

dragging, a sharp, tapered finishing bur along the facial margin in a handpiece without stepping on the rheostat

using a scalpel or a scaler

using polishing wheels and rubber tips

none - all of the above were recommended

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