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Table 7.

Comparison of peak principal masticatory strains from the zygomatic arch of pigs of different ages, ipsilateral and contralateral cycles combined

Squamosal
Zygomatic
AgeTension (μϵ)Compression (μϵ)Angle (deg.)Tension (μϵ)Compression (μϵ)Angle (deg.)
4 weeks1 327±177 (5) -309±128*(5) 109±44 (5) 212±108 (5) -203±76 (5) -20±33*(5) 
3-7 months2 349±187 (5) -62±76*(5) 126±5 (5) 174±91 (9) -124±106 (9) 54±24*(9) 
Squamosal
Zygomatic
AgeTension (μϵ)Compression (μϵ)Angle (deg.)Tension (μϵ)Compression (μϵ)Angle (deg.)
4 weeks1 327±177 (5) -309±128*(5) 109±44 (5) 212±108 (5) -203±76 (5) -20±33*(5) 
3-7 months2 349±187 (5) -62±76*(5) 126±5 (5) 174±91 (9) -124±106 (9) 54±24*(9) 

Values are means ± s.d. Number of animals is given in parentheses.

1

Present study.

2

Herring et al. (1996). Gage locations were exactly the same as in the present study.

3

Principal compressive strain on the squamosal was larger in the piglets than in the 3-7-month sample (P<0.02), and principal tensile strain was differently oriented (P<0.001). No other comparison produced statistical significance.

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