Table 5 Prevalences of different traits and anomalies in each side of each jaw, in males and females. The P values are calculated using the Fisher exact test
Jaw | Side | Tooth | Trait | Â | Sex (%) | Total prevalence (%) | P | |
|---|---|---|---|---|---|---|---|---|
Female | Male | |||||||
Maxilla | Right | D | Accessory cusp on the upper D | Absent | 29 (47.5) | 28 (45.9) | 57 (93.4) | 1.0 |
Present | 2 (3.3) | 2 (3.3) | 4 (6.6) | |||||
Left | D | Accessory cusp on the upper D | Absent | 24 (48) | 23 (46) | 47 (94) | 1.0 | |
Present | 2 (4) | 1 (2) | 3 (6) | |||||
Maxilla | Right | E | Carabelli’s cusp on the upper E | Absent | 34 (37.4) | 27 (29.7) | 61 (67) | 1.0 |
Present | 16 (17.6) | 14 (15.4) | 30 (33) | |||||
Left | E | Carabelli’s cusp on the upper E | Absent | 28 (36.4) | 28 (36.4) | 56 (72.7) | 0.444 | |
Present | 13 (16.9) | 8 (10.4) | 21 (27.3) | |||||
Mandible | Right | E | Protostylid on the lower E | Absent | 24 (37.5) | 22 (34.4) | 46 (71.9) | 0.410 |
Present | 7 (10.9) | 11 (17.2) | 18 (28.1) | |||||
Left | E | Protostylid on the lower E | Absent | 27 (38.6) | 25 (35.7) | 52 (74.3) | 0.417 | |
Present | 7 (10) | 11 (15.7) | 18 (25.7) | |||||
Mandible | Right | E | Deflecting wrinkle on the lower E | Absent | 24 (37.5) | 14 (21.9) | 38 (59.4) | 0.006 |
Present | 7 (10.9) | 19 (29.7) | 26 (40.6) | |||||
Left | E | Deflecting wrinkle on the lower E | Absent | 30 (42.9) | 16 (22.9) | 46 (65.7) | 0.0001 | |
Present | 4 (5.7) | 20 (28.6) | 24 (34.3) | |||||
Maxilla | Right | E | Fifth cusp on the upper E | Absent | 45 (49.5) | 34 (37.4) | 79 (86.8) | 0.364 |
Present | 5 (5.5) | 7 (7.7) | 12 (13.2) | |||||
Left | E | Fifth cusp on the upper E | Absent | 38 (49.4) | 33 (42.9) | 71 (92.2) | 1.0 | |
Present | 3 (3.9) | 3 (3.9) | 6 (7.8) | |||||
Mandible | Right | D | Accessory cusp on the lower D | Absent | 19 (38.8) | 21 (42.9) | 40 (81.6) | 0.725 |
Present | 5 (10.2) | 4 (8.2) | 9 (18.4) | |||||
Left | D | Accessory cusp on the lower D | Absent | 16 (33.3) | 23 (47.9) | 39 (81.3) | 0.267 | |
Present | 6 (12.5) | 3 (6.3) | 9 (18.8) | |||||
Mandible | Right | E | Fifth cusp on the lower E | Present | 31 (48.4) | 33 (51.6) | 64 (100) | NA |
Left | E | Fifth cusp on the lower E | Absent | 1 (1.4) | 0 (0) | 1 (1.4) | 0.486 | |
Present | 33 (47.1) | 36 (51.4) | 69 (98.6) | |||||
Mandible | Right | E | Sixth cusp on the lower E | Absent | 24 (37.5) | 28 (43.8) | 52 (81.3) | 0.531 |
Present | 7 (10.9) | 5 (7.8) | 12 (18.8) | |||||
Left | E | Sixth cusp on the lower E | Absent | 28 (40) | 30 (42.9) | 58 (82.9) | 1.0 | |
Present | 6 (8.6) | 6 (8.6) | 12 (17.1) | |||||
Mandible | Right | E | Tuberculum intermedium (metaconulid) on the lower E | Absent | 17 (26.6) | 26 (40.6) | 43 (67.2) | 0.062 |
Present | 14 (21.9) | 7 (10.9) | 21 (32.8) | |||||
Left | E | Tuberculum intermedium (metaconulid) on the lower E | Absent | 24 (34.3) | 29 (41.4) | 53 (75.7) | 0.408 | |
Present | 10 (14.3) | 7 (10) | 17 (24.3) | |||||