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Table 1 Demographics and survival rates of implants and implant crowns

From: A clinical and radiographic study of implants placed in autogenous bone grafts covered by either a platelet-rich fibrin membrane or deproteinised bovine bone mineral and a collagen membrane: a pilot randomised controlled clinical trial with a 2-year follow-up

 

Test group (PRF)

Control group

Number of implants

14

13

Mean age, years (range)

47.9 (23–66)

52.3 (24–72)

Gender

 Female

6

6

 Male

8

7

Smokers

Total

2

1

 < 10 cigarettes per day

1

 

 > 20 cigarettes per day

1

1

Number of implants

14

13

Implant length (mm) and implant diameter (mm)

L: 11.5, Ø: 3.75 = 2

L: 11.5, Ø: 4.3 = 2

L: 13, Ø: 3.75 = 5

L: 13, Ø: 4.3 = 5

L: 11.5, Ø: 3.75 = 4

L: 11.5, Ø: 4.3 = 0

L: 13, Ø: 3.75 = 6

L: 13, Ø: 4.3 = 3

Implant site, maxilla

 Incisors

3

6

 Canine

1

 

 Premolars

10

7

 Implant survival

100% (14/14)

85% (11/13)

 Implant crown survival

100% (14/14)

92% (11/12)

  1. Abbreviations: L length, Ø diameter