Case Series of an Intraoral Balancing Appliance Therapy on Subjective Symptom Severity and Cervical Spine Alignment

Table 2

Immediate change in degree of rotational misalignment between C1 and C2 vertebrae on a computed tomography image.

	No. (%)*	Degree of the rotational misalignment		Immediate change
		Without an intraoral appliance	With an intraoral appliance
Groups based on type of the change
Decrease	36 (62.1)	6.1 ± 5.0	3.3 ± 4.1	−2.8 ± 2.0***
No change	16 (27.6)	2.4 ± 2.2	2.4 ± 2.2	0
Increase	6 (10.3)	2.7 ± 2.1	5.3 ± 3.5	2.7 ± 2.7**
Total	58 (100.0)	4.7 ± 4.5	3.3 ± 3.6	−1.4 ± 2.5***

 *There were missing data in one case. Values are presented as number (%) or mean ± SD.
** 𝑃<0.05,  ***𝑃<0.001 by Wilcoxon signed-rank test.