Table 4 Mean values, SDs and 95% confidence intervals of the angular and linear changes in the middle and lower third of the face after maxillary surgery simulation with the corresponding p values of the comparison between the outcome of the surgical planning programs Dolphin and ProPlan depending on the different maxillary advancement displacement distances.

From: Comparison of soft tissue simulations between two planning software programs for orthognathic surgery

 

Displacement distance

0 mm

3 mm

5 mm

Dolphin imaging

ProPlan CMF

MD

p-value

Dolphin imaging

ProPlan CMF

MD

p-value

Dolphin imaging

ProPlan CMF

MD

p-value

Mean (SD)

95% CI

Mean (SD)

95% CI

Mean (SD)

95% CI

Mean (SD)

95% CI

Mean (SD)

95% CI

Mean (SD)

95% CI

Face middle third

Ns–Sn–Ls

127.5 ± 8.2

125.2–129.8

127.7 ± 8.2

125.4–130.0

− 0.2

 > 0.999

123.1 ± 8.4

120.7–125.5

128.8 ± 8.2

126.5–131.2

− 5.7

 < 0.001

119.9 ± 8.6

117.4–122.3

129.5 ± 8.4

127.2–131.9

− 9.6

 < 0.001

E-Line–Ls

5.8 ± 2.9

5.0–6.7

5.8 ± 2.9°

5.0–6.7

0.0

 > 0.999

4.2 ± 2.6

3.4–4.9

4.5 ± 2.7

3.7–5.2

− 0.3

0.032

3.2 ± 2.3

2.5–3.9

3.5 ± 2.5

2.8–4.2

− 0.3

0.025

Tr–Ls

134.7 ± 6.7

132.8–136.6

134.6 ± 6.7

132.8–136.5

0.1

0.869

136.5 ± 6.7

134.6–138.4

136.5 ± 6.7

134.6–138.4

0.0

 > 0.999

137.7 ± 6.7

135.8–139.7

137.8 ± 6.7

135.9–139.7

− 0.1

 > 0.999

Tr–Pn´

144.9 ± 7.0

142.9–146.9

144.9 ± 7.0

142.9–146.9

0.0

 > 0.999

145.4 ± 7.0

143.4–147.4

145.8 ± 7.1

143.8–147.9

− 0.4

 < 0.001

145.8 ± 7.0

143.8–147.8

146.5 ± 7.1

144.5–148.5

1.3

 < 0.001

Tr–Sn

132.2 ± 6.4

130.4–134.0

132.2 ± 6.5

130.4–134.1

0.0

 > 0.999

132.9 ± 6.4

131.1–134.7

134.0 ± 6.5

132.2–135.9

− 1.1

 < 0.001

133.4 ± 6.4

131.6–135.2

140.9 ± 6.8

139.0–142.8

− 7.5

 < 0.001

Scal'r–Scal'l

27.5 ± 3.6

26.5–28.5

27.5 ± 3.6

26.5–28.5

0.0

 > 0.999

27.5 ± 3.5

26.5–28.5

27.8 ± 3.6

26.8–28.9

− 0.3

 < 0.001

27.5 ± 3.6

26.5–28.5

28.0 ± 3.6

27.0–29.1

− 0.5

 < 0.001

Face lower third

Pog´–B´–Li

133.2 ± 11.4

130.0–136.5

133.2 ± 11.5

130.0–136.5

0.0

 > 0.999

133.2 ± 11.4

129.9–136.4

129.1 ± 11.4

125.9 – 132.4

4.1

 < 0.001

133.2 ± 11.4

129.9–136.4

126.8 ± 11.6

123.5–130.1

6.4

 < 0.001

E-Line–Li

3.5 ± 2.6

2.7–4.2

3.5 ± 2.6

2.8–4.3

0.0

 > 0.999

3.6 ± 2.6

2.9–4.4

3.1 ± 2.7

2.5–3.8

0.5

 < 0.001

3.7 ± 2.3

3.0–4.5

2.8 ± 2.5

2.3–3.4

0.9

 < 0.001

Tr – Li

137.0 ± 6.8

135.1–138.9

137.0 ± 6.8

135.1–138.9

0.0

 > 0.999

137.0 ± 6.8

135.1–138.9

137.9 ± 6.8

135.9–139.8

− 0.9

 < 0.001

137.0 ± 6.8

135.1–138.9

138.7 ± 6.8

136.8–140.7

− 1.7

 < 0.001

Tr–Pog'

142.7 ± 7.8

140.4–145.0

142.6 ± 7.6

140.4–144.7

0.1

 > 0.999

142.7 ± 7.8

140.4–145.0

141.7 ± 7.7

139.6–143.9

1.0

0.157

142.7 ± 7.8

140.4–145.0

140.7 ± 7.5

138.6–142.8

2.0

0.768

  1. SD standard deviation, CI confidence interval, MD mean difference.