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Table 1 Clinical parameters of Zr or Ti healing abutments with or without ligation

From: Early soft tissue response to zirconium oxide and titanium healing abutments in vivo: a study in dogs

  

Day 0

Day 28

L

N

P

L

N

P

PI

Zr

1.2 ± 0.98

1.8 ± 1.17

0.282

2.3 ± 0.52

2.5 ± 0.55

0.534

Ti

2.2 ± 0.98

2.3 ± 1.03

0.785

2.7 ± 0.52

3.0 ± 0.00

0.220

P

0.113

0.417

 

0.220

0.072

 

GI

Zr

0.3 ± 0.5

1.0 ± 0.6

0.051

1.5 ± 0.6

0.5 ± 0.5

0.002*

Ti

0.3 ± 0.5

0.5 ± 0.5

0.609

1.5 ± 0.6

0.8 ± 0.4

0.011*

P

1.000

0.135

 

1.000

0.431

 

PD

(mm)

Zr

3.13 ± 0.43

2.92 ± 0.38

0.622

3.45 ± 0.64

3.08 ± 0.66

0.108

Ti

2.75 ± 0.69

3.58 ± 1.20

0.068

3.75 ± 0.96

3.3 ± 0.63

0.644

P

0.386

0.139

 

0.490

0.617

 
  1. Normal distribution test and two-way analysis of variance were applied
  2. (PI plaque index, GI gingival index, PD probing depth, L ligation, N non-ligation, P P value; *P < 0.05)