pISSN 2234-7518
eISSN 2005-372X

Table. 4.

Comparison of various craniofacial plane inclinations between two groups stratified according to the degree of lip canting (> 3° and ≤ 3°)

Plane Lip canting to FH (≤ 3 degree) (n = 32) Lip canting to FH (> 3 degree) (n = 20) p-value


Mean SD Mean SD
Broadbent’s plane (S-N plane) 0.873 2.187 0.357 2.705 0.454
His’ plane 1.260 5.229 −0.795 4.856 0.163
Optical axis plane 0.137 1.273 −0.296 0.831 0.183
Camper’s plane 0.088 1.408 −0.072 2.148 0.770
Occlusal plane 0.209 1.816 −0.987 4.287 0.249
Mandibular symmetry plane −1.294 3.558 −3.608 8.493 0.259
Mandibular plane −0.070 2.550 −0.702 4.161 0.546
Nasal axis plane −0.280 1.552 0.453 2.041 0.149

Mann–Whitney test was performed.

FH, Frankfort horizontal plane; SD, standard deviation.

Korean J Orthod 2020;50:258~267 https://doi.org/10.4041/kjod.2020.50.4.258
© Korean J Orthod