Table 2.
3D craniofacial measurements performed in T0, T1, and image superposition
| Measurements | Definition | Figure |
|---|---|---|
|
| ||
| Vertical dimension | ||
| N-B (mm) | Distance from the nasion (N) to the supramental (B) | 3 (a) |
| N-Me (mm) | Distance from the nasion (N) to the mentonian (Me) | 3 (a) |
| Condylar rotation | ||
| Fs.CoGo (°) | Angle formed among the fossa point (Fs), condylion (Co), and gonion (Go) | 3 (c) |
| Em.Co0Co1 (°) | Angle formed among the eminence point (Em) and condylion (Co) in T0 and T1 superimposition | 4 (a) |
| EmM.Co0Co1 (°) | Angle formed among the medial eminence point (EmM) and condylion (Co) in T0 and T1 superimposition | |
| EmLCo0Co1 (°) | Angle formed among the lateral eminence point (EmL) to the condylion (Co) in T0 and T1 superimposition | |
| Condylar translation | ||
| Fs-Co (mm) | Distance from the fossa point (Fs) to the condylion (Co) | 4 (b) |
| Co-Em (mm) | Distance from the condylion point (Co) to the eminence point (Em) | 4 (b) |
| Co-EmM (mm) | Distance from the condylion point (Co) to the eminence point (EmM) | |
| Co-EmL (mm) | Distance from the condylion point (Co) to the eminence point (EmL) | |
| Fs.Co0Co1 (°) | Angle formed from the fossa point (Fs) to the condylion point (Co) in the superimposition of T0 and T1 | 4 (a) |
| Co0-Co1 (mm) | Distance between the condylion points (Co) in the superimposition of T0 and T1 | 4 (c) |
| Mandibular advancement | ||
| SNB (°) | Angle formed among sella (S), nasion (N), and supramental (B) | |
| ANB (°) | Angle formed among subspinal (A), nasion (N), and supramental (B) | |
| B0-B1 (mm) | Distance between the supramental points (B) in the superimposition of T0 and T1 | 3 (a) |
| Me0-Me1 (mm) | Distance between the mentonian points (Me) in the superimposition of T0 and T1 | 3 (a) |
| Mandibular rotation | ||
| Co0Go0.Co1Go1 (°) | Angle formed among condylion (Co) and gonion (Go) in T0 and T1 superimposition | 5 (a) |
| Co0B0.Co1B1 (°) | Angle formed among condylion (Co) and supramental (B) in T0 and T1 superimposition | 5 (b) |
| Co0Me0.Co1Me1 (°) | Angle formed among condylion (Co) and mentonian (Me) in T0 and T1 superimposition | 5 (c) |
| Go0Me0.Go1Me1 (°) | Angle formed among gonion (Go) and mentonian (Me) in T0 and T1 superimposition | 5 (d) |
| Go0B0.Go1B1 (°) | Angle formed among gonion (Go) and supramental (B) in TO and T1 superimposition | 5 (e) |
| Mandibular translation | ||
| Fs.Go0Go1 (°) | Angle formed among fossa point (Fs) and gonion (Go) in T0 and T1 superimposition | 3 (b) |
| Go0-Go1 (mm) | Distance between the gonion points (Go) in the superimposition of T0 and T1 | 3 (a) |
| Articular eminence dimension | ||
| Fs-Em (mm) | Distance from the fossa point (Fs) to the eminence point (Em) | 4 (c) |
| Fs-EmM (mm) | Distance from the fossa point (Fs) to the medial eminence point (EmM) | |
| Fs-EmL (mm) | Distance from the fossa point (Fs) to the lateral eminence point (EmL) | |
T0 follow-up before initiating treatment, T1 follow-up after initiating treatment