doubt on crown preperation, help urgently needed!!

[DENT2]

Can anybody tell me the dimensions to surface and occlusal reduction of tooth for different restorative materials. I am getting different answers frm different sources. Your help will be greatly appreciated. Part-2 in few days, Phewww

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[DENT2]

I guess, I am not clear with my question. I meant the tooth reduction dimension like
full gold crown: Surface reduction= 0.5 mm
occlusal reduction= 1mm.

Like that for all ceramic and PFM etc. Thanks in advance!!!