Table 3 Morphology distribution of 825 ST within different regions based on CBCT images
Region | Morphologies of ST, n (%) | |||||
|---|---|---|---|---|---|---|
Conical | Tuberculate | Supplemental | Odontoid | Total | ||
Maxilla | Central | 563(74.8) | 157(20.8) | 15(2.0) | 18(2.4) | 753 |
Lateral | 16(57.1) | 7(25.0) | 4(14.3) | 1(3.6) | 28 | |
Canine | 8(50.0) | 5(31.3) | 0(0.0) | 3(18.8) | 16 | |
Premolar | 1(14.3) | 0(0.0) | 4(57.1) | 2(28.6) | 7 | |
Molar | 1(50.0) | 0(0.0) | 0(0.0) | 1(50.0) | 2 | |
Total | 589 | 169 | 23 | 25 | 806 | |
Mandible | Central | 1(100.0) | 0(0.0) | 0(0.0) | 0(0.0) | 1 |
Lateral | 0(0.0) | 0(0.0) | 1(100.0) | 0(0.0) | 1 | |
Canine | 2(66.7) | 0(0.0) | 0(0.0) | 1(33.3) | 3 | |
Premolar | 3(21.4) | 2(14.3) | 6(42.9) | 3(21.4) | 14 | |
Total | 6 | 2 | 7 | 4 | 19 | |