Research Article
Cephalometric Investigation of First Cervical Vertebrae Morphology and Hyoid Position in Young Adults with Different Sagittal Skeletal Patterns
Table 1
Description of landmarks.
| | Landmark | Definition |
| | Nasion (N) | Most anterior point of the frontonasal suture | | Sella (S) | Center of the sella turcica | | Articulare (Ar) | Point of intersection between the posterior border of the mandibular ramus and the inferior border of the posterior cranial base | | Spina nasalis anterior (ANS) | | | Spina nasalis posterior (PNS) | | | Pogonion (Pog) | Most anterior point on the mandibular symphysis | | Gnathion (Gn) | Most anterior-inferior point on the mandibular symphysis | | Menton (Me) | Most inferior point on the mandibular symphysis | | Hyoid (Hy) | Most superior-anterior point on the body of the hyoid bone | | Hyoid′ (Hy′) | Most superior-posterior point on the grater horn of hyoid bone | | CV4ip | Most poster-inferior point on the corpus of the fourth cervical vertebra | | CV2tg | Most superior-posterior point on the corpus of the fourth cervical vertebra |
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