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Table 3 Volumetric tissue changes (mean ± SD) at the 6- and 12-month follow-up

From: Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stability

Time

ROI

Type 1 implants

Type 4 implants

p value

Total

S0–S1 (mm)

ROI

− 0.53 ± 0.30

0.94 ± 0.64

0.0021*

0.03 ± 0.43

 

Marginal ROI

− 0.60 ± 0.26

0.83 ± 0.55

0.0004*

− 0.06 ± 0.37

 

Apical ROI

− 0.31 ± 0.19

0.62 ± 0.50

0.2321

0.08 ± 0.32

S0–S2 (mm)

ROI

− 0.37 ± 0.31

0.84 ± 0.57

0.0452*

0.09 ± 0.41

 

Marginal ROI

− 0.42 ± 0.31

0.80 ± 0.49

0.0274*

0.04 ± 0.38

 

Apical ROI

− 0.16 ± 0.17

0.83 ± 0.51

0.1812

0.26 ± 0.31

S1–S2 (mm)

ROI

0.10 ± 0.12

0.08 ± 0.23

0.8274

0.09 ± 0.17

 

Marginal ROI

0.11 ± 0.12

0.11 ± 0.20

0.9129

0.11 ± 0.16

 

Apical ROI

0.07 ± 0.07

0.02 ± 0.20

0.8258

0.04 ± 0.14

  1. *p < 0.05