Analysis of Facial Skeletal Morphology: Nasal Bone, Maxilla, and Mandible

Table 2

The characteristics of male patients in the skeletal classification (one-way ANOVA).

Variables	Class I ()		Class II ()		Class III ()				Intergroup comparison
	Mean	SD	Mean	SD	Mean	SD	F		Significant
Age	24.8	4.38	24.7	5.23	23.2	4.27	1.413	─
ANB	2.0	0.96	6.0	1.62	-4.1	2.89	257.542		Class II > Class I > Class III
Nasomaxillary
Nasal bone length	27.8	3.20	27.9	2.94	29.2	3.78	2.225	─
Nasal ridge length	59.4	6.65	59.9	3.84	60.6	3.81	0.538	─
Nasal depth	30.3	4.96	29.0	3.80	29.2	2.59	1.387	─
Palatal length	52.8	3.31	54.4	3.31	53.2	3.34	2.674	─
Maxillary height	75.5	5.48	76.0	5.41	76.7	4.64	0.535	─
Mandible
Condylar length	21.4	2.86	21.9	3.70	22.8	2.85	2.255	─
Ramus length	57.5	5.28	55.4	5.00	59.2	5.87	4.979		Class III > Class II
Body length	62.7	4.50	59.5	3.65	68.1	4.33	43.447		Class III > Class I > Class II
Symphysis length	37.2	6.41	38.3	4.11	38.7	3.90	1.016	─
Entire length	127.5	7.03	120.0	17.08	137.4	6.88	23.586		Class III > Class I > Class II

: number of patient. : statistically significant, ; ─: not significant.