≤30 years

31 to 60 years

≥61 years

Value of p

Width (W)

1.17 ± 0.40

1.25 ± 0.61

1.26 ± 0.42

p = 0.793

Length (L)

8.11 ± 2.44

7.94 ± 2.11

8.04 ± 2.39

p = 0.940

Distance to alveolar crest (D1)

17.96 ± 3.38

12.99 ± 7.11

4.04 ± 5.97

p < 0.001*

Distance to buccal cortical bone (D2)

3.00 ± 1.65

3.21 ± 1.53

2.50 ± 1.69

p = 0.052

Distance to the base of the mandible (D3)

3.82 ± 2.13

3.44 ± 2.23

3.78 ± 2.33

p = 0.641