Pain perception and functional/occlusal parameters in sleep bruxism subjects following a therapeutic intervention

Head & Face Medicine

Table 3 Descriptive statistics of the functional and occlusal parameters derived at the three measurement periods for both treatment groups

Variable	Treatment group	Measurement period
Variable	Treatment group	Pre-treatment	Post-treatment	6 months follow-up
Maximum active mouth opening (mm)^a	CBT	50.55 (1.02)	50.89 (1.18)	50.7 (1,11)
Maximum active mouth opening (mm)^a	OA	49.91 (1.01)	50.4 (1.16)	49.52 (1.09)
Overbite (mm)	CBT (mm)	2.66 (0.23)	2.66 (0.23)	2.66 (0.23)
Overbite (mm)	OA	2.62 (0.23)	2.67 (0.22)	2.67 (0.22)
Overjet (mm)^a	CBT	2.57 (0.24)	2.57 (0.24)	2.57 (0.24)
Overjet (mm)^a	OA	2.95 (0.23)	2.93 (0.23)	2.93 (0.23)
Maximum active right movement (mm)^a	CBT	9.45 (0.45)	10.05 (0.33)	9.96 (0.37)
Maximum active right movement (mm)^a	OA	9.35 (0.44)	9.86 (0.33)	9.86 (0.36)
Maximum active left movement (mm)^a	CBT	10.04 (0.4)	10.57 (0.32)	10.34 (0.38)
Maximum active left movement (mm)^a	OA	9.74 (0.39)	10.10 (0.31)	10.17 (0.37)
Maximum active protrusive movement (mm)^a	CBT	9.14 (0.43)	8.88 (0.44)	8.91 (0.42)
Maximum active protrusive movement (mm)^a	OA	8.66 (0.42)	9.21 (0.43)	8.76 (0.41)
Resiliency of the right TMJ (mm)^a	CBT	0.56 (0.06)	0.56 (0.06)	0.55 (0.05)
Resiliency of the right TMJ (mm)^a	OA	0.62 (0.05)	0.46 (0.06)	0.36 (0.05)
Resiliency of the left TMJ (mm)^a	CBT	0.60 (0.07)	0.57 (0.06)	0.59 (0.07)
Resiliency of the left TMJ (mm)^a	OA	0.59 (0.06)	0.43 (0.06)	0.47 (0.06)
Presence of a slide from CO to MI (%)^b	CBT	64.3	82.1	78.6
Presence of a slide from CO to MI (%)^b	OA	75.9	86.2	82.8
Length of the slide from CO to MI (mm)^b	CBT	0.53 (0.13)	0.65 (0.11)	0.66 (0.12)
Length of the slide from CO to MI (mm)^b	OA	0.99 (0.12)	0.95 (0.11)	0.82 (0.12)

^aRepeated measures ANOVA; values are presented as mean and SEM
^bFriedman test together with Wilcoxon signed rank test; values are presented as mean and SEM
^cCochrans Q-test

ISSN: 1746-160X