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