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Table 2 Test results for PCH-2500®

From: Correlation between spatial resolution and ball distortion rate of panoramic radiography

Position (Step)

Incisor

Premolar

Molar

TMJ

PP (%)

HR (lp/mm)

VR (lp/mm)

PP (%)

HR (lp/mm)

VR (lp/mm)

PP (%)

HR (lp/mm)

VR (lp/mm)

PP (%)

HR (lp/mm)

VR (lp/mm)

1

x

2.58

x

x

2.58

1.88

x

2.58

3.19

5

3.19

2.58

2

x

2.58

2.32

x

2.58

3.19

20

2.58

3.19

5

3.19

2.58

3

60

3.19

3.19

x

3.19

3.19

20

2.58

3.19

10

2.58

2.58

4

55

3.19

3.19

x

3.19

3.19

10

2.58

3.19

10

2.58

2.32

5

40

2.58

2.58

15

3.19

2.58

5

2.58

2.58

15

2.58

2.32

6

35

2.58

2.58

5

3.19

2.58

5

2.58

2.58

20

2.58

1.88

7

5

2.58

2.58

5

2.58

2.58

5

2.58

2.58

25

2.58

1.88

8

10

2.58

2.58

15

2.58

2.58

5

2.58

2.32

25

2.58

1.88

9

25

2.58

2.58

20

2.58

2.32

5

2.58

2.32

30

2.58

x

10

45

2.58

1.88

20

2.58

1.88

5

2.58

2.32

30

2.58

x

11

45

2.58

x

35

2.58

1.88

5

2.58

2.32

35

2.58

x

12

50

2.58

x

35

2.58

1.88

5

2.58

2.32

40

2.58

x

13

55

2.58

x

35

2.58

1.88

x

2.58

2.32

45

2.58

x

  1. PP Ball distortion rate evaluated using panorama phantom, HR Spatial resolution evaluated using horizontal resolution phantom, TMJ temporomandibular joint, VR Spatial resolution evaluated using vertical resolution phantom
  2. x: no line pair value could be read
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