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

		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	–

CBCTs taken at T0 (before surgery), at T1w (1 week after surgery), and at T9m

SD standard deviation