Table 6 Summary of the significant differences of visual aid according to tooth position.

From: Effect of loupe and microscope on dentists’ neck and shoulder muscle workload during crown preparation

Muscle

#16

#26

#36

#46

Rt. Upper trapezius

N vs. M

L vs. M

N vs. M

L vs. M

 

N vs. M

Lt. Upper trapezius

 

N vs. M

N vs. L

N vs. M

N vs. M

Rt. SCM

N vs. M

N vs. M

N vs. L

N vs. M

 

Lt. SCM

N vs. M

N vs. M

 

N vs. L

Rt. Erector spinae

L vs. M

N vs. M

L vs. M

N vs. M

N vs. M

L vs. M

Lt. Erector spinae

N vs. M

L vs. M

N vs. M

L vs. M

  

Rt. Ant. deltoid

   

N vs. M

Lt. Ant. deltoid

 

N vs. M

  
  1. The significant differences of mean %MVIC according to visual aids from Tables 3, 4, 5 and 6 are summarized. The bold depict significant differences of muscle workload and the detailed type of visual aid with significant difference of %MVIC for post-hoc analysis is written inside. N, naked eye; L, loupe; and M, microscope.
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