Evaluation of postoperative changes in condylar positions after orthognathic surgery using balanced orthognathic surgery system

Maxillofacial Plastic and Reconstructive Surgery

Table 2 Surgical changes in condylar position after surgery, using BOS system or intended manual condylar positioning

		BOS system	Manual [25]
\(\overline{x}\) (sample mean) ± s (sample standard deviation)	x	0.02 ± 0.68	−0.03 ± 3.79
	y	−1.09 ± 0.62*	−2.88 ± 3.10†
	z	0.01 ± 0.48	−0.51 ± 4.09
n (sample size)		22	36

*P < 0.05, statistically significant with paired t-test
†P < 0.05, statistically significant with ANOVA and post hoc Bonferroni technique