Comparison of Soft Tissue Cephalometric Norms between Turkish and European-American Adults

Table 1

Comparison of soft tissue cephalometric values of Turkish and European-American using Legan and Burstone analysis.

Variable	Turkish		European-American		𝑃 value
	Mean	SD	Mean	SD
Facial form
Facial convexity angle (°)	14,15	4,65	12	4	0.035*
Maxillary prognathism (mm)	5,5	3,85	6	3	0.724
Mandibular prognathism (mm)	−2.7	7,25	0	4	0.043*
Vertical height ratio	1,05	0,1	1	—	0.091
Lower face-throat angle (°)	105,65	8	100	7	0.004**
Lower vertical height-depth ratio	1,3	0,9	1,2	—	0.458
Lip position
Nasolabial angle (°)	107,05	8,45	102	8	0.001***
Upper lip protrusion (mm)	3,35	1,9	3	1	0.005**
Lower lip protrusion (mm)	2,25	1,75	2	1	0.453
Mentolabial sulcus (mm)	−5.65	1,6	4	2	0.001***
Vertical lip-chin ratio	0,48	0.075	0,5	—	0.876
Maxillary incisor exposure (mm)	2,95	1,85	2	2	0.054
Interlabial gap (mm)	1,1	1,55	2	2	0.046*

𝑃≥0.05–nonsignificant (NS), *𝑃≤0.05, **𝑃≤0.01, ***𝑃≤0.001.