Table 4 PES values depending on the time elapsed since surgery (number of implants, range [mean ± std. deviation])

n = 48

n = 33

n = 15

2.5-12.8 (7.5 ± 2.6)

2.5-10.5 (7.5 ± 2.4)

2.5-12.8 (7.5 ± 2.6)

n = 8

n = 4

n = 4

5.7-12.8 (8.1 ± 2.4)

5.7-12.8 (8.2 ± 3.2)

6.2-9.7 (8.0 ± 1.7)

n = 13

n = 5

n = 8

3.7-12.2 (8.4 ± 2.1)

6.5-12.2 (8.6 ± 2.2)

3.7-10.5 (8.3 ± 2.2)

n = 11

n = 8

n = 3

2.5-9.5 (6.5 ± 9.3)

4.0-9.5 (7.2 ± 2.0)

2.5-7.3 (4.8 ± 2.4)

n = 16

n = 16

n = 0

2.5-12.0 (7.2 ± 3.0)

2.5-12.0 (7.2 ± 3.0)