26 June 2020: Clinical Research
A Prospective Study Comparing Adolescent and Post-Adolescent Periods Regarding Effects of Activator Appliance in Patients with Class II Mandibular Retrognathia by Using 3dMDface Analysis and Cephalometry
Esra Yüksel Coşkun 1BEF* , Elçin Esenlik 2ACDGDOI: 10.12659/MSM.921401
Med Sci Monit 2020; 26:e921401
Table 3 Definitions of three-dimensional photogrammetric parameters [46,49].
| Three-dimensional photogrammetric parameters | Definition |
|---|---|
| Anterior Facial Height (mm) | The distance from soft tissue nasion and soft tissue menton points |
| Lower Anterior Facial Height (mm) | The distance from subnasale and soft tissue menton points |
| Lip Width (mm) | The distance from right commissure and left commissure points |
| Upper Lip Length (mm) | It is distance between subnasale and stomion points |
| Lower Lip Length (mm) | It is distance between stomion and soft tissue menton points |
| Nose Width (mm) | The distance between right alar and left alar points |
| Chin Height (mm) | The distance between sublabial and soft tissue menton points |
| Nose Height (mm) | The distance from soft tissue nasion and subnasale points |
| CP-Me (mm) | The distance between coranal plane and soft tissue menton point |
| CP-Pg (mm) | The distance between coranal plane and soft tissue pogonion point |
| CP-Sl (mm) | The distance between coranal plane and soft tissue sublabial point |
| AP-Me (mm) | The distance between axial plane and soft tissue menton point |
| AP-Pg (mm) | The distance between axial plane and soft tissue pogonion point |
| AP-Sl (mm) | The distance between axial plane and soft tissue sublabial point |
| Soft Tissue Convexity Angle (°) | Angle between line of glabella-subnasale and line of subnasale-soft tissue pogonion |
| Total Facial Convexity Angle (°) | Angle between line of glabella-pronasale and line of pronasale-soft tissue pogonion |
| Upper Lip Angle (°) | It is the angle between left commissure, upper lip and right commissure points |
| Lower Lip Angle (°) | It is the angle between left commissure, lower lip and right commissure points |
| Labiomental Angle (°) | It is the angle between the lower lip, sublabial and soft tissue pogonion points |
| H Angle (°) | Angle between line of nasion-pogonion and line of pogonion-upper lip |
| Nasolabial Angle (°) | It is the angle between the columella, subnasale and upper lip points |
| Mandibular Volume (cc) | The volume between the upper contour of the lower lip and the menton point |
| Total Lip Volume (cc) | The volume between upper contour of the upper lip and lower contour of the lower lip |