pISSN 2234-7518
eISSN 2005-372X

Table. 6.

Comparison of the soft tissue changes during the treatment period

Soft tissue variable T1 T1–T2 p-value
Tipping group
(n = 27)
Translation group
(n = 26)
Tipping group
(n = 27)
Translation group
(n = 26)
VRP-Sn (mm) 83.08 ± 4.05 83.58 ± 7.25 0.25 ± 0.29 0.39 ± 0.47 0.170
VRP-A' (mm) 81.76 ± 4.06 82.65 ± 7.28 0.61 ± 0.59 1.10 ± 0.70 0.008**
VRP-Ls (mm) 85.82 ± 4.78 86.21 ± 8.46 2.59 ± 0.98 2.92 ± 1.29 0.308
VRP-ULa (mm) 87.53 ± 4.78 87.73 ± 8.46 2.62 ± 1.27 3.15 ± 1.42 0.157
VRP-Stms (mm) 80.54 ± 5.37 80.48 ± 8.11 5.25 ± 1.37 5.37 ± 2.16 0.800
VRP-Stmi (mm) 79.25 ± 5.23 79.46 ± 8.56 5.79 ± 1.56 6.37 ± 2.22 0.276
VRP-LLa (mm) 84.44 ± 5.46 84.77 ± 9.48 3.96 ± 1.27 5.07 ± 2.34 0.036*
VRP-Li (mm) 79.32 ± 5.86 79.39 ± 9.77 2.81 ± 1.71 4.04 ± 2.10 0.024*
VRP-B' (mm) 74.02 ± 6.25 74.88 ± 9.35 1.25 ± 1.46 3.25 ± 1.92 0.000***
VRP-Pog' (mm) 69.75 ± 8.29 70.03 ± 10.76 −0.32 ± 0.92 0.06 ± 1.32 0.232
HRP-Sn (mm) 54.53 ± 3.97 54.99 ± 4.02 −0.12 ± 0.51 0.04 ± 0.73 0.369
HRP-A' (mm) 56.50 ± 3.93 56.66 ± 4.21 −0.11 ± 0.52 −0.05 ± 0.45 0.659
HRP-Ls (mm) 68.26 ± 5.08 68.53 ± 5.39 −0.83 ± 1.16 −1.31 ± 1.37 0.182
HRP-upper lip (mm) 74.83 ± 4.83 74.64 ± 5.52 0.15 ± 0.80 −0.46 ± 1.14 0.028*
HRP-Stms (mm) 80.58 ± 4.99 81.30 ± 5.81 0.25 ± 1.50 0.13 ± 1.12 0.733
HRP-Stmi (mm) 81.23 ± 4.73 82.05 ± 5.62 0.88 ± 1.54 0.99 ± 1.11 0.764
HRP-lower lip (mm) 89.76 ± 5.63 90.66 ± 6.68 1.17 ± 2.33 1.00 ± 1.42 0.759
HRP-Li (mm) 94.82 ± 4.73 95.90 ± 7.11 1.72 ± 1.96 2.00 ± 1.56 0.567
HRP-B' (mm) 100.93 ± 5.72 101.32 ± 7.88 0.88 ± 1.48 2.15 ± 2.12 0.015*
HRP-Pog' (mm) 115.74 ± 6.74 116.87 ± 7.14 −0.17 ± 1.08 0.39 ± 1.54 0.133
Basal upper lip thickness (mm) 13.80 ± 1.49 13.29 ± 2.03 0.53 ± 0.55 0.62 ± 0.56 0.548
Upper lip thickness (mm) 11.11 ± 1.98 11.34 ± 2.34 −2.91 ± 1.66 −3.40 ± 1.42 0.253
Lower lip thickness (mm) 14.19 ± 2.29 14.10 ± 2.28 −1.37 ± 1.55 −1.63 ± 1.89 0.576
Basal lower lip thickness (mm) 15.23 ± 2.41 14.92 ± 2.10 1.51 ± 1.63 1.07 ± 1.66 0.339
Nasolabial angle (°) 96.70 ± 10.04 99.35 ± 11.99 −9.19 ± 4.61 −7.31 ± 5.06 0.164
Mentolabial sulcus angle (°) 134.40 ± 11.31 135.95 ± 13.99 −5.89 ± 5.88 8.13 ± 6.32 0.000***

Values are presented as mean ± standard deviation.

Independent t-tests were performed to compare the two groups.

T1, pre-treatment; T2, post-treatment.

*p < 0.05, **p < 0.01, ***p < 0.001.

See Figure 1 and Table 2 for definitions of each landmark.

Korean J Orthod 2022;52:42~52 https://doi.org/10.4041/kjod.2022.52.1.42
© Korean J Orthod
© The Korean Association of Orthodontists. / Powered by INFOrang Co., Ltd