問題一覧
1
The advantages of Resin-bonded bridges, EXCEPT?
Can withstand moderately heavy occlusal forces
2
To accelerate the process, a combination of macroabrasion and microabrasion also may be considered
True
3
This type of indirect veneer technique offers superior shading and characterizing potential and better control of facial contours.
Processed composite veneers
4
This is caused by deeper internal stains or enamel defects and are more complicated to treat
Intrinsic Discoloration
5
The composite in the second appointment for all porcelain pontics is polymerized with light for a minimum of __ to __ from facial direction?
40-69 secs
6
Treatment options for discolored anterior tooth include the following, EXCEPT.
Extraction
7
What teeth are best suited for the use of ceramic crowns?
Incisors
8
What is the approximate lifespan of bleaching?
1-3 years
9
The first step in the veneer preparation is:
Establishing the peripheral outline form
10
When finishing all-ceramic crowns, it is best to perform minor grinding adjustments on thin veneers and inlays:
When they are permanently bonded to the tooth
11
Tetracycline can cause the most distracting, generalized type of __________ discoloration
Intrinsic
12
Which of the following best describes dental microabrasion.?
process involving the use of acid and abrasives to remove surface defects from enamel
13
How many percentage does paste or gel contains upon bleaching application?
30-35% hydrogen peroxide
14
Restorative material which are recommended for splinting because they afford extended working time for placement and contouring.
Light cured composites
15
What are dental veneers primarily used for?
Improving the appearance of stained, misaligned, or chipped teeth
16
Which is NOT a consideration in choosing a natural tooth pontic
None
17
This type of Resin-bonded bridge utilizes electrolytic or chemical etching for improved bonding strength and it is technique sensitive because it has invisible retentive features.
Maryland Bridge type
18
What is the primary indication for non-vital bleaching procedure?
Lighten teeth that have undergone root canal therapy
19
This type of indirect veneer technique is capable of achieving high bond strengths to the etched enamel via a resin-bonding medium.
Feldspathic porcelain veneers
20
How long should the splint be kept in position to ensure stabilization?
At least 6 months
21
These are type of indirect veneer techniques except:
Direct full veneers
22
Which tooth is most commonly involved or affected in cases of avulsion?
Mx CI
23
Which BEST describes the Opaque Porcelain layer on a PFM crown?
Initiates the development of the shade
24
Which natural tooth pontic tip design is recommended for maxillary arch
Ovate
25
The following are the advantages of Resin-Bonded Bridges, EXCEPT:
Anesthesia is highly needed.
26
This type of Resin-Bonded Bridges with Metal Retainers make use of a small countersunk perforations in retainer sections for retention
Rochette Type
27
What is a primary advantage of Resin-Bonded Bridges compared to Porcelain-Fused-to-Metal Pontics?
Easier to obtain an esthetic result
28
Which can cause the most distracting, generalized type of intrinsic discoloration
Tetracycline
29
A maryland bridge…
Utilizes electrolytic or chemical etching for improved bonding strength.
30
This can be placed as interim restorations until an extraction site heals if conditions require a conventional bridge or implant.
Natural tooth
31
This type of esthetic veneer is recommended for the restoration of localized defects or areas of intrinsic discoloration.
Patial V
32
Considerations on natural tooth pontics, EXCEPT.
None
33
Which pontic tip design is recommended for denture tooth pontic?
Modified ridge lap
34
Excellent esthetics is possible using pressed ceramic materials for most cases involving mild to moderate discoloration.
True
35
The primary indication for non-vital bleaching is to _______ teeth than have undergone root canal therapy
lighten
36
This type of esthetic veneer is recommended for the restoration of generalized defects or areas of intrinsic staining involving most of the facial surface of the tooth.
Full V
37
It is indicated in anterior teeth that are notably thin faciolingually that are not good candidates for metal,resin-bonded bridge retainers.
All porcelain
38
In young patients, stains of almost any color can be found and are usually more prominent in the _______ areas of the teeth.
Cervical
39
If an acid-etched resin bonded splint requires further reinforcement, the following materials can be used, except
Twisted wire
40
All four types of the classification of conservative bridges differ in the degrees of permanency, but they share a major advantage — conservation of the natural tooth.
True
41
A ___ second application of light from the light curing unit is used to polymerize the bonding agent in each etched surface.
20 secs
42
Which type of bridge is recommended for anterior areas to enhance esthetics?
Porcelain-Fused-to-Metal Pontic
43
Which DOES NOT give dental ceramics highly desirable ceramic properties?
Opacity
44
Which type of bridge is typically recommended for cases requiring resistance to lateral forces in esthetically critical areas?
Porcelain-Fused-to-Metal Pontic
45
Which type of resin-bonded bridge utilizes small countersunk perforations in retainer sections for retention?
Rochette Type
46
What is the most crucial for the success of a tooth preparation in Resin-bonded bridges?
Preparation design
47
The following are causes for mobility of teeth, EXCEPT:
None
48
What is a consideration for natural tooth pontic in bridge fabrication?
All
49
What is a criterion for splints involving mobile teeth?
Allowing further diagnostic procedures and treatments
50
This can be made by bonding a pontic to the adjacent natural teeth.
Conservative bridges