Table 1 Baseline demographic parameters for 45 implants

Number of implants

11

14

10

10

Sex^a

 Male

3

3

5

3

 Female

7

10

4

5

Age (year)^b

Mean (min–max)

57 (42–74)

59 (41–74)

58 (19–74)

59 (19–74)

Region^a

 Central incisor

4

6

3

4

 Lateral incisor

6

3

4

2

 Canine

0

1

2

1

 First premolar

0

1

1

2

 Second premolar

1

3

0

1

Clinical procedure^c

 Implant placement only

4

4

0

1

 Implant placement with GBR

3

4

5

9

 Implant placement with GBR/CTG

3

3

3

0

 Immediate placement

1

3

2

0

 BW (T1) (mm)^d

3.2

2.7

1.3

1.3

 MW (T1) (mm)^d

2.8

1.8

3.2

2.2

Observational period (months)^b

 T1–T2

11.9 ± 2.1

12.2 ± 1.8

14.1 ± 2.1

13.0 ± 1.6

 T2–T3

13.3 ± 2.1

13.9 ± 2.4

13.0 ± 1.7

14.2 ± 2.6