Nhận xét một số mối tương quan giữa mô mềm và mô cứng vùng sọ mặt trên phim Xquang sọ nghiêng từ xa ở một nhóm sinh viên có khớp cắn Angle loại I

The study was conducted in 89 class I of student groups aged 18 - 25 to evaluation of correlation between craniofacial soft tissues and hard tissues on teleradiography of the profile. Method: cross-sectional descriptive study. Class I students with full of research standards were taken profile teleradiography for measuring and analyzing. Results: the difference in the protruding values of maxilla and upper lip of SNA angle groups is statistically significant as p0.05. The significantly statics correlation (p 0.05) was found between the bony protrusion at A (A-NPog) and the facial protrusion index (GI'-Sn-Pog') and nose-lip angle (Cm-Sn-Ls). The indices of mandible is significantly correlated to the indices of soft tissues (SNB and SND angles). Conclusion: SNA angle is directly propotional to the protrusion of the maxilla and upper lip. The maxillary protrusion at A is directly proportional to the facial protrusion and the nose-lip angle. In relation to mandible: SNB and SND angles is directly proportional to the mandibular protrusion.