pISSN 2234-7518
eISSN 2005-372X

Description of the anatomical characteristics of the maxillary tuberosity according to the presence or absence of the third molar

General Presence of 3rd molar Absence of 3rd molar P value Female (n = 167) Male (n = 110)
Presence of 3rd molar
(n = 93)*
Absence of 3rd molar
(n = 74)*
P value Presence of 3rd molar
(n = 58)*
Absence of 3rd molar
(n = 52)*
P value
Coronal zone 2.17 (1.24:3.82) 2.06 (1.14:4.95) 2.27 (1.32:3.37) 0.667 1.89 (1.06:5.43) 1.78 (1.10:3.06) 0.306 2.36 (1.34:4.81) 3.12 (2.09:3.73) 0.647
Width of
tuberosity
9.51 (8.01:9.27) 10.14 (9.16:11.29) 8.31 (6.61:9.73) < 0.001 9.91 (9.04:10.51) 7.79 (6.16:9.14) < 0.001 10.96 (9.67:12.34) 8.54 (7.21:10.46) < 0.001
Height of
tuberosity
10.89 (8.08:13.26) 12.10 (8.74:14.10) 9.89 (7.59:11.84) < 0.001 12.11 (8.47:14.06) 9.45 (7.47:11.84) < 0.001 11.47 (9.23:14.12) 10.64 (7.90:11.96) 0.116
Apical zone 0.97 (–1.35:2.57) 1.53 (0:3.29) 0 (–2.46:1.36) < 0.001 1.72 (0.72:3.32) –1.35 (–3.12:1.11) < 0.001 1.03 (0:3.19) 0.79 (–1.56:1.51) 0.039

*Median (P25:P75).

Korean J Orthod 2024;54:239~246 https://doi.org/10.4041/kjod24.017
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