Table 1. Mean, median, minimum, maximum, and standard deviation of gap widths at four measuring areas.

Group		MG	RAW	LAW	OS	AW (L & R)
1	Mean Number Std. Deviation Median Minimum Maximum Range Variance	62.4858 16 13.83291 62.8080 33.83 83.89 50.06 191.349	44.8664 16 19.40660 41.8180 14.14 92.11 77.97 376.616	46.6658 16 35.18470 38.8520 0.00 118.29 118.29 1237.963	118.8147 16 35.90704 101.4500 69.27 184.27 115.00 1289.315	53.7441 16 12.32292 54.3400 28.94 78.28 49.34 151.854
2	Mean Number Std. Deviation Median Minimum Maximum Range Variance	48.1409 16 13.07986 46.5355 22.64 71.40 48.76 171.083	40.9097 16 17.22067 39.7865 21.77 81.85 60.09 296.551	44.2859 16 33.35940 29.7920 0.00 123.65 123.65 1112.850	102.1131 16 31.61686 106.3550 24.12 152.58 128.46 999.626	45.2787 16 13.47152 44.5150 22.20 76.62 54.42 181.482

LAW: Left axial wall; RAW: right axial wall; MA: marginal area; OS: occlusal surface; AW (L & R): axial wall left and right.