Table 2.
Upper and Lower Third Molar Average Dimensions in mm Measured with a Dental and Digital Caliper
| Dimension | Maxillary third molars (mm) | Mandibular third molars (mm) | P |
|---|---|---|---|
| Total length | 17.86 | 18.11 | >0.05 |
|
| |||
| Length of the crown | 7.23 | 7.65 | <0.05† |
|
| |||
| Length of the root | 10.76 | 10.71 | >0.05 |
|
| |||
| Mesiodistal diameter of the crown | 9.53 | 9.70 | >0.05 |
|
| |||
| Mesiodistal diameter of the crown at the cervix | 9.07 | 8.97 | >0.05 |
|
| |||
| Buccolingual diameter of the crown | 8.61 | 8.63 | >0.05 |
|
| |||
| Buccolingual diameter of the crown at the cervix | 8.27 | 7.93 | >0.05 |
|
| |||
| Length of the root DC | 10.65 | 10.52 | >0.05 |
|
| |||
| Mesiodistal diameter of the crown DC* | 9.38 | 9.57 | >0.05 |
|
| |||
| Buccolingual diameter of the crown DC* | 8.47 | 8.50 | >0.05 |
*
Digital caliper;
†
Independent samples t-test.