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Maxillofacial Plastic and Reconstructive Surgery

Table 5 Descriptive data for differences recorded between RBH values as bone gains and losses between assessments (n = 34)

From: Spontaneous bone regeneration after surgical extraction of a horizontally impacted mandibular third molar: a retrospective panoramic radiograph analysis

 

Assessment period

RBH6W_RBH0

RBH6M_RBH6W

RBH6M_RBH0

Bone gains (mm)

 Maximum

7.86

11.24

11.07

 Minimum

0.35

0.22

2.09

 Mean

3.67

3.18

6.36

 Median

3.84

2.94

6.62

 Variance

5.63

4.91

5.83

 SD

2.37

2.22

2.41

 n

31

33

34

Bone losses (mm)

 Maximum

− 1.02

− 1.10

–

 Minimum

− 0.19

− 1.10

–

 Mean

− 0.48

− 1.10

–

 Median

− 0.23

− 1.10

–

 Variance

0.22

–

–

 SD

0.47

–

–

 n

3

1

0

  1. Abbreviations: RBH6W_RBH0 difference between the radiographic bone height recorded at 6 months and at baseline, RBH6M_RBH6W difference between the radiographic bone height recorded at 6 months and at 6 weeks, RBH6M_RBH0 difference between the radiographic bone height recorded at 6 months and at baseline
  2. A negative value indicates loss, but the amount of loss is in its absolute value
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