Minimum occlusal reduction of 0.5 mm but 1 mm should be ideal.
Recommended Cements:
Resin reinforced glass ionomer cement (RelyX Luting Cement, 3M ESPE; GC Fuji Plus, GC America)
Resin cements for short or over-tapered preparations (RelyX Unicem, 3M ESPE; Panavia F2.0, Kuraray)
.