Method

Mean

SD

3 shape extra oral alginate cast

0.29

0.07

eos rubber impression

0.55

0.45

eos alginate cast

0.57

0.36

sirona intraoral

0.58

0.34

3 shape intraoral

0.62

0.38

3 shape extraoral alginate impression

0.63

0.38

eos rubber cast

0.64

0.53

3 shape extraoral rubber impression

0.64

0.40

3 shape extraoral rubber cast

0.66

0.56

eos alginate impression

0.78

0.54