Research Article
CBCT Evaluation of Buccolingual Orientation of Inferior Alveolar Canal in Mandibular Posterior Region for Implant Planning
Table 1
The buccolingual positioning of IAN canal in each respective tooth according to the ethnicity and sex group among Malaysian population.
| | | Location of IAN canal | Ethnic, n (%) | P value | Sex, n (%) | P value | Overall (N = 121) | | Malay (N = 40) | Chinese (N = 41) | Indian (N = 40) | Male (N = 61) | Female (N = 60) |
| | Right | Second molar (47) | Buccal | 0 | (0) | 1 | (2.4) | 1 | (2.5) | 0.16 | 1 | (1.6) | 1 | (1.7) | 0.65 | 2 | (1.7) | | Center | 9 | (22.5) | 15 | (36.6) | 8 | (20.0) | 15 | (24.6) | 17 | (28.3) | 32 | (26.4) | | Lingual | 31 | (77.5) | 25 | (61.0) | 31 | (77.5) | 45 | (73.8) | 42 | (70.0) | 87 | (71.9) | | Absent | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | | First molar (46) | Buccal | 4 | (10.0) | 7 | (17.1) | 3 | (7.5) | 0.86 | 8 | (13.1) | 6 | (10.0) | 0.09 | 14 | (11.6) | | Center | 23 | (57.5) | 21 | (51.2) | 26 | (65.0) | 29 | (47.5) | 41 | (68.3) | 70 | (57.9) | | Lingual | 12 | (30.0) | 12 | (29.3) | 11 | (27.5) | 24 | (39.3) | 11 | (18.3) | 35 | (28.9) | | Absent | 1 | (2.5) | 1 | (2.4) | 0 | (0) | 0 | (0) | 2 | (3.3) | 2 | (1.7) | | Second premolar (45) | Buccal | 10 | (25.0) | 4 | (9.8) | 7 | (17.5) | 0.07 | 8 | (13.1) | 13 | (18.0) | 0.03 | 21 | (17.4) | | Center | 40 | (10.0) | 8 | (19.5) | 7 | (17.5) | 11 | (18.0) | 8 | (13.3) | 19 | (15.7) | | Lingual | 1 | (2.5) | 3 | (7.3) | 0 | (0) | 4 | (6.6) | 0 | (0) | 4 | (3.3) | | Absent | 25 | (62.5) | 26 | (63.4) | 26 | (65.0) | 38 | (62.3) | 39 | (65.0) | 77 | (63.6) |
| | Left | Second molar (37) | Buccal | 0 | (0) | 2 | (4.9) | 20 | (5.0) | 0.38 | 1 | (1.6) | 3 | (5.0) | 0.26 | 4 | (3.3) | | Center | 14 | (35.0) | 11 | (26.8) | 6 | (15.0) | 14 | (23.0) | 17 | (28.3) | 31 | (25.6) | | Lingual | 26 | (65.0) | 28 | (68.3) | 32 | (80.0) | 46 | (75.4) | 40 | (66.7) | 86 | (71.1) | | Absent | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | | First molar (36) | Buccal | 7 | (17.5) | 7 | (17.1) | 7 | (17.5) | 0.96 | 9 | (14.8) | 12 | (20.0) | 0.40 | 21 | (17.4) | | Center | 19 | (47.5) | 19 | (46.3) | 19 | (47.5) | 29 | (47.5) | 28 | (46.7) | 57 | (47.1) | | Lingual | 13 | (32.5) | 15 | (36.6) | 14 | (35.0) | 23 | (37.7) | 19 | (31.7) | 42 | (34.7) | | Absent | 1 | (2.5) | 0 | (0) | 0 | (0) | 0 | (0) | 1 | (1.7) | 1 | (0.8) | | Second premolar (35) | Buccal | 3 | (7.5) | 4 | (9.8) | 6 | (15.0) | 0.65 | 7 | (11.5) | 6 | (10.0) | 0.35 | 13 | (10.7) | | Center | 6 | (15.0) | 3 | (7.3) | 11 | (27.5) | 11 | (18.0) | 9 | (15.0) | 20 | (16.5) | | Lingual | 0 | (0) | 4 | (9.8) | 2 | (5.0) | 5 | (8.2) | 1 | (1.7) | 6 | (5.0) | | Absent | 31 | (77.5) | 30 | (73.2) | 21 | (52.5) | 38 | (62.3) | 44 | (73.3) | 82 | (67.8) |
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Statistically significant difference ( ). |
