Inlays, Onlays + Veneers Flashcards
Types of inlays
- Gold
- Composite
- Porcelain
Uses of inlays (3)
- Occlusal cavities
- Interprox cavities
- Replace failed direct restorations
Indications for inlays
- Premolars/molars
- Occlusal cavities
- MO or DO
- MOD if narrow
Describe inlay ceramic prep
1.5mm isthmus width
1.5mm depth
1.5mm proximal box
1mm shoulder/chamfer
Butt joint CSM - no undercuts
Describe inlay gold prep
1mm isthmus width
1.5mm depth
1mm proximal box
0.5mm chamfer
15-20 bevel upper 3rd isthmus
Lab card for inlay/onlay (3)
Please pour impressions in __
Mount casts on semi-adjustable articulator with face bow + occlusal record
Construct resto
- FDI
- Material
- Thickness
- Shade
- Characteristics
Onlay types (4)
- Gold
- Composite
- Porcelain
- Ceromeric
Onlay uses (3)
- Toothwear to increase OVD
- Fractured cusp
- Resto of root tx
Onlay indications (2)
Sufficient occlusal tooth loss (B and/or P+L cusp remaining)
MODs with wide isthmus
Onlay porcelain prep
Working cusp 2mm
Non working cusp 1.5mm
1mm shoulder/chamfer
Butt joint CSM
Only gold prep
Working cusp 1mm
Non working cusp 0.5mm
0.5mm chamfer
15-20 degree bevel
General principles of only/inlays
- No undercuts
- Margins clear of occlusal contact points
- Flat pulpal floor at even depth (1.5mm)
- Shoulder/chamfer (material dependent)
- Rounded internal line angles
- 4-6 tapered walls
Clinical stages for only/inlay
- Reduction template
- Impressions for temporary
- Tooth prep
- Make temporary
- Impressions, bite regi + shade
- Cement temp
- Remove temp + isolate
- Cement
Veneer types (3)
Porcelain
Composite
Gold
Indications for veneers
Change teeth shape/colour
Correct peg laterals
Reduce diastema
Discolouration
