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| | Landmarks | Description of distances on CBCT | Description of distances on facial scanner |
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| 1 | Width of nose | Left bottom-most skeletal corner under the nasal aperture to the right bottom-most skeletal corner | Left alar curvature point (the most lateral part of the curved base of the ala) to the right alar curvature point |
| 2 | Left canine to left outer eye | Most tip of left canine crown to left frontozygomatic suture | Most tip of left canine (patient smiling) to left lateral canthus |
| 3 | Right canine to right outer eye | Most tip of right canine crown to right frontozygomatic suture | Most tip of right canine (patient smiling) to right lateral canthus |
| 4 | Gnathion to throat | Lowest point of the midline of the mandible to C3-C4 cervical vertebrae | Lowest point of the midline of the mandible to the most indented location of the throat between the chin and neck |
| 5 | Gnathion to left gonion | Lowest point of the mandibular midline to the lowest, most posterior, and lateral point of the left mandibular angle | Lowest point of the mandibular midline to the lowest, most posterior, and lateral point of the left mandibular angle |
| 6 | Gnathion to right gonion | Lowest point of the mandibular midline to the lowest, most posterior, and lateral point of the right mandibular angle | Lowest point of the mandibular midline to the lowest, most posterior, and lateral point of the right mandibular angle |
| 7 | Left canine to left cheekbone | Most tip of left canine crown to most prominent frontal portion of the left zygomatic bone | Most tip of left canine crown (patient smiling) to most prominently raised point of left cheek area, most likely an area under the left lateral canthus |
| 8 | Right canine to right cheekbone | Most tip of right canine crown to most prominent frontal portion of the right zygomatic bone | Most tip of right canine crown (patient smiling) to most prominently raised point of right cheek area, most likely an area under the right lateral canthus |
| 9 | Nasion to gnathion | Distinctly depressed area between the intersection of the frontal bone and two nasal bones to the lowest point of the mandibular midline. | Distinctly depressed area directly between the eyes and superior to the bridge of the nose to the lowest point of the mandibular midline |
| 10 | Gnathion to left external auditory meatus (EAM) | Lowest portion of the mandibular midline to lowest bony portion of the left hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible | Lowest portion of the mandibular midline to the left lowest portion of the hollow ear canal |
| 11 | Gnathion to right EAM | Lowest portion of the mandibular midline to lowest bony portion of the right hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible | Lowest portion of the mandibular midline to the right lowest portion of the hollow ear canal |
| 12 | Corners of mouth | Tip of left canine crown to tip of right canine crown | Left cheilion (left labial commissure) to right cheilion (right labial commissure) |
| 13 | Left EAM to left outer eye corner | Lowest bony portion of the left hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible, to the left lateral canthus of eye | Left lowest portion of the hollow ear canal to the left lateral canthus of eye |
| 14 | Right EAM to right outer eye corner | Lowest bony portion of the right hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible, to the right lateral canthus of eye | Right lowest portion of the hollow ear canal to the right lateral canthus of eye |
| 15 | Bottom of nose to nasion | Anterior nasal spine to the distinctly depressed area between the intersection of the frontal bone and two nasal bones | Subnasale (the midpoint of the angle at the nasal base where the lower border of the nasal septum and the upper lip surface meets) to the distinctly depressed area directly between the eyes and superior to the bridge of the nose |
| 16 | Width of left eye | Left frontozygomatic suture to left frontomaxillary suture | Left lateral canthus to left medial canthus |
| 17 | Width of right eye | Right frontozygomatic suture to right frontomaxillary suture | Right lateral canthus to right medial canthus |
| 18 | Left inner eye to left canine | Left frontomaxillary suture to tip of left canine crown | Left medial canthus to tip of left canine crown (patient smiling) |
| 19 | Right inner eye to right canine | Right frontomaxillary suture to tip of right canine crown | Right medial canthus to tip of right canine crown (patient smiling) |
| 20 | Left gonion to left EAM | Lowest, most posterior, and lateral point of the left mandibular angle to the lowest bony portion of the left hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible | Most posterior and lateral point of the left mandibular angle to the left most lowest portion of the hollow ear canal opening |
| 21 | Right gonion to right EAM | Lowest, most posterior, and lateral point of the right mandibular angle to the lowest bony portion of the right hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible | Most posterior and lateral point of the right mandibular angle to the right most lowest portion of the hollow ear canal opening |
| 22 | Bottom of nose to left EAM | Anterior nasal spine to the lowest bony portion of the left hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible | Subnasale (the midpoint of the angle at the nasal base where the lower border of the nasal septum and the upper lip surface meets) to the left most lowest portion of the hollow ear canal opening |
| 23 | Bottom of nose to right EAM | Anterior nasal spine to the lowest bony portion of the right hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible | Subnasale (the midpoint of the angle at the nasal base where the lower border of the nasal septum and the upper lip surface meets) to the right most lowest portion of the hollow ear canal opening |
| 24 | Left corner of mouth to left EAM | Tip of left canine crown to the lowest bony portion of the left hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible | Left cheilion (left labial commissure) to the left most lowest portion of the hollow ear canal opening |
| 25 | Right corner of mouth to right EAM | Tip of right canine crown to the lowest bony portion of the right hollow canal of the tympanic portion of the temporal bone, posterior to the condylar process of the mandible | Right cheilion (right labial commissure) to the right most lowest portion of the hollow ear canal opening |
| 26 | Width between outer eye corners | Left frontozygomatic suture to right frontozygomatic suture | Left lateral canthus to right lateral canthus |
| 27 | Left corner of mouth to left gonion | Tip of left canine crown to the lowest, most posterior, and lateral point of the left mandibular angle | Left cheilion (left labial commissure) to the most posterior and lateral point of the left mandibular angle |
| 28 | Right corner of mouth to right gonion | Tip of right canine crown to the lowest, most posterior, and lateral point of the right mandibular angle | Right cheilion (right labial commissure) to the most posterior and lateral point of the right mandibular angle |
| 29 | Bottom of nose to left gonion | Anterior nasal spine to lowest, most posterior, and lateral point of the left mandibular angle | Subnasale (the midpoint of the angle at the nasal base where the lower border of the nasal septum and the upper lip surface meets) to most posterior and lateral point of the left mandibular angle |
| 30 | Bottom of nose to right gonion | Anterior nasal spine to lowest, most posterior, and lateral point of the right mandibular angle | Subnasale (the midpoint of the angle at the nasal base where the lower border of the nasal septum and the upper lip surface meets), to most posterior and lateral point of the right mandibular angle |
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