Table 2. Mean ± standard deviation in millimetres of mandibular distances of the 20 hemimandibles relative to various combinations of peak kilovoltage and milliampere.

kVp, mA	Up	Lo	Bu	Li	V	H
60, 10	10.48 ± 4.23	8.13 ± 1.51	6.09 ± 1.19	3.47 ± 1.20	2.59 ± 0.54	2.84 ± 0.39
60, 15	10.57 ± 4.30	8.40 ± 1.39	6.22 ± 1.17	3.27 ± 1.08	2.44 ± 0.47	2.72 ± 0.47
80, 10	10.68 ± 4.25	8.31 ± 1.21	6.19 ± 1.22	3.21 ± 1.10	2.47 ± 0.46	2.67 ± 0.37
80, 15	10.73 ± 4.27	8.37 ± 1.39	6.22 ± 1.06	3.31 ± 1.54	2.51 ± 0.36	2.61 ± 0.42
100, 10	10.68 ± 4.31	8.53 ± 1.28	6.08 ± 1.39	3.35 ± 1.39	2.45 ± 0.57	2.60 ± 0.58
100, 15	10.66 ± 4.23	8.44 ± 1.25	5.95 ± 1.37	3.47 ± 1.28	2.58 ± 0.52	2.52 ± 0.50
120, 10	10.66 ± 4.33	8.39 ± 1.16	5.87 ± 1.39	3.44 ± 1.22	2.69 ± 0.60	2.54 ± 0.38
120, 15	10.67 ± 4.26	8.40 ± 1.24	5.97 ± 1.32	3.30 ± 1.19	2.66 ± 0.43	2.58 ± 0.41

Bu, distance between buccal border of mandibular canal and buccal border of the mandible; H, horizontal width of the mandibular canal; Li, lingual border of mandibular canal and lingual border of mandible; Lo, lower border of mandibular canal and horizontal level of lower border of mandible; Up, distance between superior border of mandibular canal and horizontal level of alveolar crest; V, vertical width of the mandibular canal.