Table 5 Distribution of the extent of the bone defect caused by periodontitis calculated on panoramic tomography and the tonsillolith detection rate on CT
Bone loss (%) | Number of patients | Detection rate (%) | |
|---|---|---|---|
Present | Absent | ||
0 | 66 | 136 | 32.7 |
< 10 | 59 | 80 | 42.4 |
10 - < 20 | 44 | 53 | 45.4 |
20 - < 30 | 37 | 22 | 62.7 |
30 - < 40 | 25 | 15 | 62.5 |
40 - < 50 | 17 | 7 | 70.8 |
50 - < 60 | 7 | 4 | 63.6 |
60 - < 70 | 12 | 7 | 63.2 |
70 - < 80 | 9 | 4 | 69.2 |
80 - < 90 | 2 | 2 | 50.0 |
Total | 278 | 330 | 45.7 |
(n = 608) | |||