Changes in Maxillary Sinus Mucosal Thickening following the Extraction of Teeth with Advanced Periodontal Disease: A Retrospective Study Using Cone-Beam Computed Tomography

Table 4

Measurements of MT changes by CBCT on the tooth extraction side and nonextraction side in the two groups.

Variables	Group 1, <4 months	Group 2, ≥4 months	value
Tooth extraction side
SLD (mm)	-14.85 (-21.38, -8.38)	-12.55 (-16.48, -4.65)	0.306
STD (mm)	-4.80 (-7.90, -2.85)	-3.40 (-7.38, -1.48)	0.535
Nonextraction side
SLD (mm)	0.25 (-0.13, 0.75)	0 (-0.05, 0.63)	0.951
STD (mm)	0.05 (-0.10, 0.23)	0 (-0.03, 0.13)	0.950

SLD: ; . Statistically significant differences () were determined using the Wilcoxon test.