Inlays/onlays/veneers Flashcards
1
Q
What are the 4 clinical stages of indirect restorations?
A
- Preparation
- Temporisation
- Impressions and occlusal records
- Cementation
2
Q
What are 2 advantages of Chairside restorations? (CAD/CAM)
A
- quick
- no temporary needed
3
Q
Describe an inlay?
A
intracoronal restoration made in lab
4
Q
3 materials for inlays?
A
- Gold
- Composite
- Porcelain
5
Q
5 indications of inlays?
A
- premolars and molars
- occlusal restorations
- mesioocclusal or disto-occlusal restorations
- Narrow MOD
- low caries rate
6
Q
What are 2 advantages of inlays over direct restorations?
A
- better material and margins
- less likely to deteriorate over time
7
Q
What are 2 disadvantages of inlays?
A
- Time
- Cost
8
Q
Describe an Onlay?
A
extra-coronal restoration made in lab
9
Q
3 materials of onlays?
A
- Gold
- Composite
- Porcelain
10
Q
2 indications for onlays?
A
- sufficient tooth substance loss
- Remaining tooth substance is weakened
11
Q
when is cast metal inlays/onlays are preferable to amalgam? 2
A
- higher strength is needed
- significant tooth recontouring is needed
12
Q
Give 4 cases where you would use an onlay?
A
- tooth wear cases to increase ovd
- fractured cusps
- restoration of root treated tooth
- replace failed direct restorations
13
Q
Why would you choose an onlay over a crown?
A
Less destructive than crowns
14
Q
Describe a veneer?
A
- A thin layer that is bonded to the labial or palatal surface of a tooth with resin
- Can be ceramic, gold or composite
15
Q
Give 5 indications of veneers?
A
- improve aesthetics
- change teeth shape or contour
- correct peg shaped laterals
- reduce or close proximal spaces and diastemas
- align labial surfaces of instanding teeth
- Enamel defects
- Discolouration
23
Q
4 types of veneer preparation?
A
- feathered incisal edge
- incisal bevel
- window
- overlapped incisal edge
