pISSN 2093-3665
eISSN 2093-3673
pISSN 2093-3665
eISSN 2093-3673
Variation in mental spine morphology
| Type | Singh et al. [3] | Araby et al. [40] |
|---|---|---|
| Absent | 22 (1.83) | 10 (6.4) |
| Two pairs of spines placed one above the other | 231 (19.25) | 22 (14.2) |
| Two superior spines with median vertical ridge below | 562 (46.83) | 35 (22.6) |
| Two superior spines with rough impression below | 280 (23.33) | 57 (36.8) |
| Single prominence | 105 (8.75) | 31 (20) |
| Total | 1,200 (100) | 155 (100) |
| Type | Hu et al. [41] | |
| Superior mental spine | Inferior mental spine | |
| Sharp separation | 54.3 | 5.7 |
| Dull separation | 10.5 | 2.9 |
| Sharp fusion | 7.6 | 31.4 |
| Dull fusion | 3.8 | 37.1 |
| Triple separation | 0.9 | 0.0 |
| Sharp fusion (superior mental spine and inferior mental spine) | 18.1 | |
| Dull fusion (superior mental spine and inferior mental spine) | 4.8 | |
| Total | 107 (100) | |
Values are presented as number (%) or percentage only. Percentages may not add to 100 due to rounding.
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