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Table 4 Clinical information of failed cases

From: The effect of loading time on marginal bone change of implants immediately placed after extraction: a retrospective study

Implant distribution

Implants (n)

Ratio (%)

Failed implants (N = 10)

  

Bone grafting

  

 Y

9

90

 N

1

10

Fixture height

  

 Short (< 8 mm)

0

0

 Standard

(10 ~ 11.5 mm)

3

30

 Long (> 11.5 mm)

7

70

Fixture diameter

  

 Mini (≤ 4.0 mm)

2

20

 Standard (4.1 ~ 4.8 mm)

8

80

 Large (≥ 5.0 mm)

0

0

Implanted site

  

 Upper anterior

5

50

 Upper posterior

1

10

 Lower anterior

0

0

 Lower posterior

4

40

Failed

  

 After placement, before loading

4

40

 After loading

  

  Immediate loading (IL)

  

   After provisional restoration

2

20

   After final restoration

2

20

  Conventional loading (CL)

  

   After provisional restoration

1

10

   After final restoration

1

10