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Table 2 Correlation coefficient between actual root length and actual body weight for each tooth type

From: Estimation of periodontal pocket surface area in small to medium dogs: a proof-of-concept study

Maxillary tooth

(n = 334)

Correlation coefficient

Determination coefficient

p-value

Mandibular tooth

(n = 291)

Correlation coefficient

Determination coefficient

p-value

max I1 (n = 20)

0.27

0.07

0.26

mandi I1 (n = 26)

0.33

0.11

0.1

max I2 (n = 20)

0.30

0.09

0.20

mandi I2 (n = 35)

0.45

0.20

 < 0.01

max I3 (n = 48)

0.30

0.09

 < 0.05

mandi I3 (n = 42)

0.42

0.18

 < 0.01

max Canine (n = 34)

0.51

0.26

 < 0.01

mandi Canine (n = 24)

0.51

0.26

 < 0.05

max P1 (n = 34)

0.36

0.13

 < 0.05

mandi P1 (n = 10)

0.13

0.02

0.69

max P2 (n = 27)

0.57

0.32

 < 0.01

mandi P2 (n = 30)

0.53

0.28

 < 0.01

max P3 (n = 16)

0.68

0.46

 < 0.01

mandi P3 (n = 33)

0.51

0.26

 < 0.01

max P4 (n = 62)

0.71a

0.50

 < 0.01

mandi P4 (n = 25)

0.46

0.21

 < 0.05

max M1 (n = 46)

0.30

0.09

 < 0.05

mandi M1 (n = 36)

0.38

0.14

 < 0.05

max M2 (n = 27)

0.66

0.43

 < 0.01

mandi M2 (n = 22)

0.64

0.40

 < 0.01

    

mandi M3 (n = 8)

0.42

0.18

0.30

  1. Summary table of Supplement 2
  2. max maxillary, mandi mandibular, I incisor, P premolar, M molar, n number of extracted teeth. aSignificant correlation (r ≥ 0.7)
  3. Summary table of Supplement 2. Additionally, see Fig. 1 for the formula for the root length of max P4 (y = 0.47x + 7.6)