Evaluation of Some Mechanical Properties of a Maxillofacial Silicon Elastomer Reinforced with Polyester Powder

Table 1

Descriptive statistics and one-way analysis of variance (ANOVA) for hardness, tear strength, tensile strength, and roughness.

		N	Mean	Std. deviation	Std. error	95% confidence interval for mean		Minimum	Maximum
						Lower bound	Upper bound
Roughness (μm)	0%	10	0.4507	0.03858	0.01220	0.4231	0.4783	0.40	0.50
	1%	10	0.4415	0.03904	0.01234	0.4136	0.4694	0.36	0.49
	3%	10	0.4316	0.01891	0.00598	0.4181	0.4451	0.41	0.46
	5%	10	0.4822	0.06560	0.02075	0.4353	0.5291	0.41	0.62
Tensile (MPa)	0%	10	4.8850	0.45344	0.14339	4.5606	5.2094	4.50	5.90
	1%	10	5.0100	0.11547	0.03651	4.9274	5.0926	4.91	5.21
	3%	10	4.5900	0.38632	0.12217	4.3136	4.8664	4.12	5.00
	5%	10	4.4110	0.21179	0.06697	4.2595	4.5625	4.21	4.75
Tear (kN/m)	0%	10	20.7700	2.40557	0.76071	19.0492	22.4908	15.50	23.60
	1%	10	23.4800	0.76274	0.24120	22.9344	24.0256	22.00	24.50
	3%	10	21.9500	2.97630	0.94119	19.8209	24.0791	19.00	27.00
	5%	10	20.0000	0.74536	0.23570	19.4668	20.5332	19.00	21.00
Hardness (mm)	0%	10	30.7300	1.72501	0.54550	29.4960	31.9640	28.10	33.10
	1%	10	31.0400	1.72511	0.54553	29.8059	32.2741	28.10	33.40
	3%	10	34.3100	1.51617	0.47946	33.2254	35.3946	33.00	38.30
	5%	10	34.6750	1.28609	0.40670	33.7550	35.5950	33.20	36.70