Table 1 Distribution of lip grooves in various parts of lips in total population
Part of lips | Lip groove types (Suzuki and Tsuchihashi) n (%) | ||||||
|---|---|---|---|---|---|---|---|
I | I’ | II | III | IV | V | Mixa | |
P1 | 0 (0.0) | 6 (2) | 4 (1.3) | 147 (49) | 14 (4.7) | 129 (43) | 0 (0.0) |
P2 | 1 (0.3) | 2 (0.7) | 1 (0.3) | 110 (36.7) | 42 (14) | 143 (47.7) | 1 (0.3) |
P3 | 1 (0.3) | 5 (1.7) | 0 (0.0) | 163 (54.3) | 19 (6.3) | 112 (37.3) | 0 (0.0) |
P4 | 0 (0.0) | 1 (0.3) | 0 (0.0) | 125 (41.7) | 0 (0.0) | 172 (57.3) | 2 (0.7) |
P5 | 0 0.0) | 0 (0.0) | 0 (0.0) | 51 (17) | 15 (5) | 232 (77.3) | 2 (0.6) |
P6 | 0 (0.0) | 1 (0.3) | 1 (0.3) | 106 (35.3) | 0 (0.0) | 191 (63.7) | 1 (0.3) |
Total | 0 (0.0) | 0 (0.0) | 1 (0.3) | 116 (38.7) | 6 (2) | 154 (51.3) | 23 (7.6) |