Table 3 Frequency of periapical lesion classification of proximity of the sinus inferior wall and type of inflammatory abnormalities (percentage in parenthesis)
From: Occurrence of maxillary sinus abnormalities detected by cone beam CT in asymptomatic patients
Abnormalities | Classification | |||
|---|---|---|---|---|
Class I | Class II | Class III | Total | |
None | 10 (19.2) | 21 (40.4) | 21 (40.4) | 52 (100) |
Mucosal thickening | 26 (19.3) | 48 (35.6) | 61 (45.2) | 135 (100) |
Opacification | - | 7 (87.5) | 1 (12.5) | 8 (100) |
Retention cyst | 3 (15) | 6 (30.0) | 11 (55.0) | 20 (100) |
Total | 39 | 82 | 94 | 215 |