Table 1 Patient and implant site characteristics

Patient number

n = 121

n = 111

Patient age

65.19 ± 12.2 years

64.84 ± 12.15 years

Patient gender (female/male)

70/51

64/47

Implant age years (mean ± SD)

11.76 ± 7.19 years

8.12 ± 5.21 years

Location upper jaw: anterior/posterior segment (n)

47/158

35/79

Location lower jaw: anterior/posterior segment (n)

16/62

48/129

Keratinized mucosa (mm)

2.84 ± 1.61

2.47 ± 1.52

Implant diameter: 3.5/4.5/5.5 mm (n)

233/48/2

225/61/5