Skip to main content

Advertisement

Table 1 Changes of the soft tissue profile by means of the X-Y coordinate system

From: Factors influencing soft tissue profile changes following orthodontic treatment in patients with Class II Division 1 malocclusion

  All samples
   (n = 104)
Landmark (mm)   Pretreatment Posttreatment Changes t
   Mean s.d. Mean s.d. Mean s.d.
Pronasale (Pr) (x) 25.2 3.8 28.0 4.0 2.8 2.3 12.235**
  (y) 17.9 3.5 21.0 4.5 3.1 2.8 11.446**
Columella (Cm) (x) 20.8 3.8 22.7 4.1 2.0 2.1 9.437**
  (y) 23.9 3.4 27.3 4.2 3.4 2.7 12.737**
Subnasale (Sn) (x) 14.4 3.9 15.7 4.3 1.3 2.0 6.569**
  (y) 27.5 3.1 30.8 3.9 3.3 2.4 14.101**
Superior labial sulcus (Sls) (x) 16.8 3.8 16.9 4.4 0.1 2.0 0.338
  (y) 35.2 3.3 38.8 4.1 3.7 2.7 13.982**
Labrale superius (Ls) (x) 21.3 4.2 21.0 5.0 −0.3 2.2 −1.214
  (y) 42.5 3.8 46.5 4.5 4.0 3.2 12.715**
Stomion superius (Ss) (x) 14.3 4.1 12.6 4.8 −1.6 2.4 −6.857**
  (y) 50.8 3.6 54.9 4.6 4.1 3.3 12.498**
Stomion inferius (Si) (x) 12.3 5.2 12.2 5.0 −0.1 3.0 −0.439
  (y) 51.8 3.5 55.3 4.7 3.5 3.3 10.941**
Labrale inferius (Li) (x) 17.1 5.6 17.7 5.4 0.6 3.0 2.019*
  (y) 58.5 3.8 63.0 4.9 4.5 3.4 13.294**
Inferior labial sulcus (Ils) (x) 7.8 6.1 8.7 6.4 0.9 3.0 3.247**
  (y) 65.6 4.3 71.3 5.2 5.7 3.8 15.217**
Soft tissue pogonion (Pg’) (x) 5.8 6.9 7.0 8.0 1.1 3.2 3.665**
  (y) 81.0 5.4 87.4 6.2 6.4 4.6 14.308**
Soft tissue menton (Me’) (x) −12.7 6.6 −11.7 8.1 1.0 3.0 3.277**
  (y) 95.8 5.5 102.9 6.7 7.1 4.1 17.786**
  1. Significance **p ≤ 0.01; *p ≤ 0.05