Table 2. The mean and standard deviations of marginal gap depending on fabrication system in each finish line configuration (unit: µm).

Fabrication system	Shoulder		Deep Chamfer
	Mean	SD	Mean	SD
Prettau®Zirconia	118.8a	78.2	109.0	83.3
ZENOSTAR®ZR translucent	91.5a,b	43.7	84.7	41.5
IPS e.max®press	41.2b	31.0	40.5	42.9

Different superscripted lowercase letters in column indicate significant differences (P<.05).