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The influence of antero-posterior dentoskeletal pattern on the value of nasal soft tissue angles: a cephalometric
T M Perović1, Z Blažej2, I Jovanović3
1Department for Orthodontics and Dentofacial Orthopaedics, Dental Clinic, Niš, Serbia. tatjana.tanic@gmail.com.
Background:
The aim of this study was to examine the influence of sagittal dentoskeletal pattern on the value of profile nasal soft tissue angles and estimate the significance of examined differences for each angle.
Materials And Methods:
Lateral cephalograms were used to examine the nasofrontal angle, nasofacial angle, nasal tip angle, and nasolabial angle of 120 adult Caucasian subjects (60 male and 60 female) from the central Balkan area. Subjects were divided into four groups according to the ANB angle and incisors inclination: class I as the control group, class II division 1, class II division 2 and class III.
Results:
By evaluating the influence of sagittal dentoskeletal relationships on the values of examined angles, significant differences were found among subjects with class I and class II/2 (p = 0.028), so as class III (p = 0.002) for nasal tip angle. The nasofacial angle was found to differ among subjects with class I and class II/1 (p = 0.002), so as class III (p = 0.001).
Conclusions:
Different dentoskeletal patterns have significant influence on values of the nasal tip angle and nasofacial angle, and don't have influence on the values of the nasofrontal and nasolabial angle.
