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Showing the distribution of Types I, II and III of pterygospinous and pterygoalar bars. NS= non significant, p<0.05 statistically significant
| Type I | Type II | Type III | Total | |
| Right | 2(18.18%) | 6(25%) | 1(16.66%) | 9(21.95%) |
| Left | 8(72.73%) | 12(50%) | 2(33.33%) | 22(53.66%) |
| Bilateral | 1(9.09%) | 6(25%) | 3(50%) | 10(24.39%) |
| Total | 11(26.83%) | 24(58.54%) | 6(14.63%) | 41(100%) |
