Skip to Main Content
Table 8.

Comparison of masseter stimulation strains from the zygomatic arch of pigs of different ages: principal strain magnitudes and orientation of tensile strain relative to the occlusal plane

 Bilateral masseters
 
  Ipsilateral masseter
 
  Contralateral masseter
 
  Bilateral masseters
 
  Ipsilateral masseter
 
  Contralateral masseter
 
  
Age Squamosal tension (μϵ) Squamosal compression (μϵ) Squamosal angle (deg.) Squamosal tension (μϵ) Squamosal compression (μϵ) Squamosal angle (deg.) Squamosal tension (μϵ) Squamosal compression (μϵ) Squamosal angle (deg.) Zygomatic tension (μϵ) Zygomatic compression (μϵ) Zygomatic angle (deg.) Zygomatic tension (μϵ) Zygomatic compression (μϵ) Zygomatic angle (deg.) Zygomatic tension (μϵ) Zygomatic compression (μϵ) Zygomatic angle (deg.) 
4 weeks1 1179±414* (5) -1659±999* (5) 125±22 (5) 1144±752 (5) -1199±568* (5) 126±23 (5) 374±290* (5) -424±214* (5) 13±33 (5) 1066±720* (5) -1006±681* (5) 4±41* (5) 628±215* (5) -778±486* (5) 10±55* (5) 322±76* (5) -212±126* (5) 16±4 (5) 
3-7 months2 519±95* (5) -190±58* (5) 118±5 (5) 715±106 (5) -259±79* (5) 118±3 (5) 62±31* (5) -19±28* (5) 7±16 (5) 354±191* (7) -369±254* (7) 68±18* (7) 214±127* (12) -259±193* (12) 70±37* (12) 79±47* (9) -46±36* (9) 51±36 (9) 
 Bilateral masseters
 
  Ipsilateral masseter
 
  Contralateral masseter
 
  Bilateral masseters
 
  Ipsilateral masseter
 
  Contralateral masseter
 
  
Age Squamosal tension (μϵ) Squamosal compression (μϵ) Squamosal angle (deg.) Squamosal tension (μϵ) Squamosal compression (μϵ) Squamosal angle (deg.) Squamosal tension (μϵ) Squamosal compression (μϵ) Squamosal angle (deg.) Zygomatic tension (μϵ) Zygomatic compression (μϵ) Zygomatic angle (deg.) Zygomatic tension (μϵ) Zygomatic compression (μϵ) Zygomatic angle (deg.) Zygomatic tension (μϵ) Zygomatic compression (μϵ) Zygomatic angle (deg.) 
4 weeks1 1179±414* (5) -1659±999* (5) 125±22 (5) 1144±752 (5) -1199±568* (5) 126±23 (5) 374±290* (5) -424±214* (5) 13±33 (5) 1066±720* (5) -1006±681* (5) 4±41* (5) 628±215* (5) -778±486* (5) 10±55* (5) 322±76* (5) -212±126* (5) 16±4 (5) 
3-7 months2 519±95* (5) -190±58* (5) 118±5 (5) 715±106 (5) -259±79* (5) 118±3 (5) 62±31* (5) -19±28* (5) 7±16 (5) 354±191* (7) -369±254* (7) 68±18* (7) 214±127* (12) -259±193* (12) 70±37* (12) 79±47* (9) -46±36* (9) 51±36 (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.

*

Difference between the 4-week and the 3-7-month samples statistically significant at P<0.05 or better.

Close Modal

or Create an Account

Close Modal
Close Modal