Table 3.

Buccal alveolar bone strain (mean and S.D., με) during mastication (sides combined).

Pig	# of Chews	Extraction Side			# of Chews	Occlusion Side
		Shear	Max (ε1)	Min (ε2)		Shear	Max (ε1)	Min (ε2)
5398	16	381 ± 190	260 ± 143	−121 ± 55	16	957 ± 398	427 ± 135	−529 ± 267
5414	16	215 ± 81	146 ± 96	−66 ± 47	16	289 ± 187	180 ± 71	−109 ± 58
5536	16	129 ± 82	81 ± 52	−48 ± 34	17	259 ± 102	130 ± 63	−128 ± 55
5545			No data		16	457 ± 213	165 ± 59	−293 ± 193
4744	24	224 ± 108	190 ± 129	−35 ± 35	41	355 ± 79	264 ± 46	−89 ± 51
4565	27	454 ± 94	286 ± 90	−168 ± 25	27	511 ± 154	190 ± 52	−321 ± 109
Mean ± S.D.		281 ± 133	193 ± 83	−88 ± 56		471 ± 257	226 ± 108	−245 ± 171
P values*		0.04	.4	.06
Extraction vs. Occluding

Max = tension; Min = compression; Shear = Max + Min (absolute value).

^*Wilcoxon signed rank test