Method: This cross-sectional study included 60 cephalometric tracings of students (30 males, 30 females) of the Faculty of Odonto‑Stomatology, Ho Chi Minh University of Medicine and Pharmacy, considering the following inclusion critetia: aged 18 to 25, well-balanced face, no history of previous orthodontic, prosthodontic treatments or any surgical reconstruction or maxillofacial surgery.