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Table 3 Test results for Rayscan α-P®

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

3.19

x

x

2.32

x

x

2.58

x

20

3.19

2.32

2

x

3.19

x

x

2.32

x

45

2.58

x

10

2.58

2.32

3

x

3.19

x

x

2.58

x

40

2.58

1.88

5

2.58

2.32

4

x

3.19

2.58

45

2.58

2.32

30

2.58

3.19

5

2.58

2.58

5

x

2.58

3.19

15

2.58

2.58

10

2.58

3.19

10

2.58

x

6

x

2.58

2.58

10

2.58

2.58

5

2.58

2.58

10

2.58

x

7

40

2.58

1.88

5

2.58

1.88

10

2.58

1.88

10

2.58

x

8

5

2.58

1.88

20

2.58

x

15

2.58

x

15

2.58

x

9

15

2.58

x

20

2.58

x

20

2.58

x

x

2.58

x

10

20

2.58

x

20

2.58

x

20

2.58

x

x

2.58

x

11

45

2.58

x

25

2.58

x

20

2.58

x

x

2.58

x

12

x

2.58

x

30

2.58

x

20

2.58

x

x

2.58

x

13

x

2.58

x

30

2.58

x

x

2.58

x

x

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