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Table 4 Radiographic changes over the three periods evaluated in the coronal view. Data in millimeters or square millimeters only for the virtual mucosa area

From: Involvement of the maxillary sinus ostium (MSO) in the edematous processes after sinus floor augmentation: a cone-beam computed tomographic study

   Δ Ostium diameter Δ Virtual mucosa thickness Δ Virtual mucosa area Δ Distance between ostium and edema
Mean values ± SD
Minimum; maximum
T1w–T0 − 0.8 ± 0.7
2.1; 1.4
5.0 ± 7.1
4.0; 29.6
147.3 ± 154.3
33.5; 555.8
T9m–T1w 0.5 ± 0.7
0.6; 3.8
− 6.0 ± 7.0
30.6; 5.0
− 150.5 ± 150.9
561.0; 36.8
12.3 ± 9.8
0.1; 31.6
T9m–T0 − 0.3 ± 0.9
1.7; 5.2
− 1.1 ± 3.8
14.1; 10.8
− 3.1 ± 52.3
93.2; 274.3
  1. CBCTs taken at T0 (before surgery), at T1w (1 week after surgery), and at T9m
  2. SD standard deviation