Table 1.
Occurrence and inner diameter of the mandibular incisive canal depending on examination method
| Study | Examination method |
N | Occurance (%) |
MIC diameter (mm) |
|---|---|---|---|---|
| Obradovic et al. (1993) | CS | 105 | 92 in dentate mandibles 31 in edentulous |
Range 0.48 - 2.9 |
| Mardinger et al. (2000) | CS | 46 | 26 | - |
| Mraiwa et al. (2003) | CS | 50 | 96 | 1.8 (SD 0.5) |
| Jacobs et al. (2002) | CT | 230 | 93 | 1.1 (SD 0.3) |
| Jacobs et al. (2004) | PR | 545 | 15 | - |
| Uchida et al. (2007) | CS | 38 | 100 | Range 0.5 – 6.6 |
| Uchida et al. (2009) | CS
CBCT |
71 4 |
100 100 |
Range 1.0 – 6.6 |
| Pires et al. (2009) | CBCT
PR |
89 89 |
83 11 |
Range 0.4 – 4.6 |
MIC = mandibular incisive canal; CS = cadaver study; PR = panoramic radiographs; CT = computed tomography; CBCT = cone beam computed tomography.