| FMA | Frankfort–mandibular plane angle |
| FMIA | Frankfort–mandibular incisor angle |
| IMPA | Incisor–mandibular plane angle |
| SNA | Sella–nasion–A point angle |
| SNB | Sella–nasion–B point angle |
| ANB | A point–nasion–B point angle |
| PEIR | Pre-eruptive intracoronal resorption |
| SLS | Selective laser sintering |