Prevalence of posterior alveolar bony dehiscence and fenestration in adults with posterior crossbite: a CBCT study

Progress in Orthodontics

Table 10 Prevalence and mean size of total bony defects, dehiscence, and fenestration by subgroup. Teeth in edgebite are excluded

		Crossbite group (1) (excluding edgebite) (n = 416)		Noncrossbite group (n = 447)	p value (SG1–SG2)	p value (SG1–SG3)	p value (SG2–SG3)
		SG1: teeth in crossbite (n = 89)	SG2: teeth not in crossbite (n = 327)	SG3: teeth not in crossbite (n = 447)	p value (SG1–SG2)	p value (SG1–SG3)	p value (SG2–SG3)
Total bony defect prevalence (number of observations)		59.6% (53)	63.3% (207)	52.1% (233)	0.517	0.200	0.002**
Total bony defect prevalence (number of observations)		p value = 0.007**			0.517	0.200	0.002**
Dehiscence	Prevalence (number of observations)	39.3% (35)	42.5% (139)	33.3% (149)	0.590	0.277	0.009**
	Prevalence (number of observations)	p value = 0.031*			0.590	0.277	0.009**
	Mean size (mm) ± SD	4.47 ± 2.97	4.53 ± 2.55	3.96 ± 2.26	0.132
Fenestration	Prevalence (number of observations)	32.6% (29)	35.8% (117)	28.6% (128)	0.575	0.455	0.035*
	Prevalence (number of observations)	p value = 0.106			0.575	0.455	0.035*
	Mean size (mm) ± SD	4.13 ± 2.20	4.42 ± 2.17	4.13 ± 1.83	0.498

(Chi-square test for the prevalence comparison, ANOVA for the mean size comparison)
*p < 0.05 statistically significant
**p < 0.01 statistically highly significant