Skip to main content

Table 3 Explantations of implants inserted using different augmentation procedures up to 20.2 years after implantation

From: Retrospective analysis of 10,000 implants from insertion up to 20 years—analysis of implantations using augmentative procedures

Augmentation procedure

Implants

(n)

Lost implants % (n)

Absolute survival rate %

p value

No augmentation

4242

5.72 (243)

94.28

 

Lateral augmentation

3210

4.02 (129)

95.98

0.0010

External sinus lift one-step

1101

4.09 (45)

95.91

0.0324

Bone condensing

422

1.90 (8)

98.1

0.0009

Bone splitting/bone spreading

374

3.74 (14)

96.26

0.2998

Internal sinus lift

314

2.55 (8)

97.45

0.0174

Autogenous bone block transplantation

241

3.32 (8)

96.68

0.1146

External sinus lift two-step

130

1.54 (2)

98.46

0.0410

Three-dimensional augmentation using Ti-mesh

124

2.42 (3)

97.58

0.1159

  1. Metric parameters are based on descriptive statistics. P values for pairwise comparison vs. no augmentation were calculated in accordance to Kaplan and Meier using log-rank test.