CERAMIC VENEERS I

Question 1

alternative tx of veneers

Answer 1

ortho
crowns
implants
surgery

Question 2

veneer defintion

Answer 2

layer of tooth coloured material that is applied to a tooth to restore loacalised or generalised defects and intrinsic discolouraions

Question 3

indications for veneer

Answer 3

colour defects or abnormalities eg amelgenesis imperfacta
abnormalities of shape
abnormal structure or texture 
mispositioning
diastema
correct anterior guidance
lengthening

Question 4

contra indications for veneers

Answer 4

insufficient surface enamel
pulpless teeth 
unsuitable occlusion 
para function rg bruxism
unsuitable anatomical morhpholohy 
heavily restored dentition 
single veneers if struggle to match colour

Question 5

smile analysis

Answer 5

shape of face
size of lips
visible coronal and gingival levels at rest ect

harmony and proportion of
- cervical line
line and incissal edges
lip line

tooth clour (hue , value , chroma)
shape, incisal edge, contour ect

Question 6

why do you need to make occlusal marks when looking at occlusion (with articulating paper)

Answer 6

placement of margins on occlusal marks will cause resin wear and unsuppoorted ceramic to chip
- margins cannot be coninciding with occlusion)

Question 7

how to demonstrate the proposed aesthetic changes

Answer 7

diagnostic wax ups (impressions , model casts )
direct placement of composite resin (no bond or etch)
diagnostic wax up and matrix and protemp
computer imageing
photo
etc

Question 8

what to discuss with pt when deciding

Answer 8

ad and dis of each option
informed consent - post op sensitivity
short and long term maintenance
financial implications

Question 9

clinical exam before plannign tx

Answer 9

• OHI, caries, failed restorations
• periodontal status
• endo status
• smile analysis
• occlusal analysis – centric r, protrusive, lateral
• must not coincide with veneer margins (otherwise wear of margins and wear of resin, unsupported ceramic which will fracture)