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Table 2 Individual biological and technical complications per group within the healing period of 3 months

From: Evaluation of the surgical and prosthetic success of All-on-4 restorations: a retrospective cohort study of provisional vs. definitive immediate restorations

 

Total

Study group

Group 1 (PR)

Group 2 (DR)

Biological complications n

19

2

17

 Dehiscence n

1

1

0

 Temporary hypesthesia n

2

0

2

 Infection n

4

0

4

  Abscess (n)

(3)

(0)

(3)

  Fistula (n)

(1)

(0)

(1)

 Sharp bone edge n

1

0

1

 Secondary bleeding n

1

0

1

 Implant loss n

10

1

9

Technical complications n

14

6

8

 Chipping/fracture of composite teeth n

11

5

6

 Fracture prosthetic screw n

1

0

1

 Abutment loosening n

1

1

0

 Loss of the cover SC n

1

0

1

  1. PR provisional restoration, DR definite restoration, Loss of the cover SC loss of the resin cover of the screw channel