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Table 4 PBF values (PU) of maxillary anterior teeth in children of different ages

From: Laser doppler flowmetry to detect pulp vitality, clinical reference range and coincidence rate for pulpal blood flow in permanent maxillary incisors in Chinese children: a clinical study

Age (years)

Tooth type

12

11

21

22

Mean

SD

Reference range

Mean

SD

Reference range

Mean

SD

Reference range

Mean

SD

Reference range

7

9.34

1.83

(5.74, 12.93)

8.54

1.41

(5.77, 11.31)

8.57

1.27

(6.07, 11.06)

9.32

1.11

(7.14, 11.50)

8

10.07

1.62

(6.90, 13.24)

8.90

1.62

(5.74, 12.07)

8.86

1.56

(5.81, 11.90)

10.06

2.03

(6.08, 14.04)

9

10.53

1.90

(6.82, 14.25)

9.03

1.48

(6.12, 11.93)

9.04

1.27

(6.56, 11.53)

10.69

1.82

(7.12, 14.25)

10

10.79

1.94

(6.99, 14.58)

9.32

1.52

(6.34, 12.31)

9.44

1.62

(6.25, 12.62)

10.77

2.01

(6.82, 14.72)

11

11.12

1.47

(8.24, 14.00)

9.14

1.17

(6.85, 11.44)

9.31

1.27

(6.82, 11.79)

10.97

1.78

(7.48, 14.47)

12

10.97

2.14

(9.61, 12.33)

8.84

1.41

(7.95, 9.74)

8.69

1.09

(7.99, 9.38)

10.59

2.11

(9.25, 11.93)

Total

10.40

1.901

(6.677, 14.129)

8.96

1.501

(6.016, 11.900)

8.97

1.494

(6.043, 11.899)

10.42

1,915

(6.668, 14.174)