Class IV.
Defects on proximal surfaces of
frontal teeth – caries, trauma
Access
Cavosurface margin
Li,ited on the defect
Principle of retention
 Composite filling materiál only
- Micromechanical retention
Mikromechanical
Micromechanical
Primer
Bond
Bevel the enamel around the defect
Resistance
 Composite material
 Enamel supported with dentin with
exception of labial surface
 Good polymerization
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Silicone key
Oral surface
Incisal edge