Table 2.
Alveolar bone height (BH) measurements.
| PM | M1 | M2 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o-mc | o-b | c-b | H (c-mc) | o-mc | o-b | c-b | H (c-mc) | o-mc | o-b | c-b | H (c-mc) | |
| Overall | ||||||||||||
| Mean | 26.57 | 38.75 | 30.39 | 18.21 | 26.28 | 37.12 | 29.03 | 18.19 | 24.67 | 35.33 | 27.89 | 17.24 |
| SD | 2.40 | 3.08 | 2.79 | 2.28 | 2.21 | 3.03 | 2.93 | 2.32 | 2.60 | 3.27 | 2.98 | 2.57 |
| Max | 34.04 | 47.01 | 38.37 | 24.42 | 33.01 | 46.97 | 37.39 | 26.63 | 34.02 | 47.25 | 36.67 | 32.16 |
| Min | 20.74 | 31.67 | 22.31 | 10.28 | 19.58 | 29.11 | 15.61 | 4.07 | 15.68 | 26.64 | 19.24 | 10.70 |
| Females | ||||||||||||
| Mean | 25.79 | 37.20 | 29.14 | 17.73 | 25.68 | 35.83 | 27.82 | 17.68 | 24.11 | 34.19 | 26.79 | 16.72 |
| SD | 2.32 | 2.30 | 2.27 | 2.29 | 1.99 | 2.61 | 2.57 | 2.19 | 2.28 | 2.93 | 2.64 | 2.15 |
| Max | 31.40 | 42.28 | 34.19 | 23.07 | 30.95 | 41.81 | 33.94 | 26.63 | 32.76 | 43.68 | 33.67 | 22.69 |
| Min | 20.74 | 31.67 | 22.31 | 10.28 | 20.84 | 29.11 | 15.61 | 4.07 | 18.92 | 26.64 | 19.24 | 12.00 |
| Males | ||||||||||||
| Mean | 27.56 | 40.72 | 31.98 | 18.81 | 27.05 | 38.77 | 30.57 | 18.84 | 25.39 | 36.78 | 29.30 | 17.92 |
| SD | 2.12 | 2.82 | 2.60 | 2.14 | 2.25 | 2.73 | 2.63 | 2.34 | 2.80 | 3.11 | 2.81 | 2.88 |
| Max | 34.04 | 47.01 | 38.37 | 24.42 | 33.01 | 46.97 | 37.39 | 25.10 | 34.02 | 47.25 | 46.67 | 32.16 |
| Min | 22.76 | 34.52 | 26.28 | 13.80 | 19.58 | 31.29 | 23.71 | 23.71 | 15.68 | 26.65 | 21.44 | 10.70 |
PM: second premolar; M1: first molar ; M2: second molar; o-mc: distance between the occlusal plane and the most coronal point of the mandibular canal; o-b: distance between the occlusal plane and the basal bone; c-b: distance between the crest and the basal bone; H (c-mc) distance between the crest and the mandibular canal.