Table 1.

Mean ± SD for marginal, internal, and total cement gap values for study groups in µm

Marginal gap				Internal gap				Total cement gap
3u-30	94 ± 47a	4u-30	109 ± 17a	3u-30	133 ± 27a	4u-30	142 ± 66a	3u-30	122 ± 30a	4u-30	126 ± 72a
3u-50	42 ± 13b	4u-50	53 ± 17B	3u-50	100 ± 16b	4u-50	115 ± 15B	3u-50	86 ± 14b	4u-50	97 ± 12B
3u-80	58 ± 15c	4u-80	63 ± 21B	3u-80	121 ± 18c	4u-80	132 ± 20C	3u-80	107 ± 13c	4u-80	115 ± 17C

SD, standard deviation. Different superscript letters indicate significant difference between study groups in the same column for each gap value. Capital superscript letters indicate significant difference between study groups in the same row