Table 2.
Definition of 3D distances
| Distance | d1 | d2 | d3 | d4 | d5 |
| Description | S to I | I to Apex | L to M | A to P | S to Apex |
| Distance | d6 | d7 | d8 | d9 | d10 |
| Description | S to L | L to Apex | Apex to M | M to S | Apex to Apex |
Definition of 3D distances
| Distance | d1 | d2 | d3 | d4 | d5 |
| Description | S to I | I to Apex | L to M | A to P | S to Apex |
| Distance | d6 | d7 | d8 | d9 | d10 |
| Description | S to L | L to Apex | Apex to M | M to S | Apex to Apex |