Table 3.
First molar furcation involvement measured by CBCT
| Depth of furcation involvement (mm) | Maxillary first molar | Mandibular first molar | |||||
|---|---|---|---|---|---|---|---|
| B | MP | DP | Average | B | L | Average | |
| 0.0 | 46.7% | 81.5% | 73.9% | 67.4 | 45.9% | 54.1% | 50.0% |
| 0.1–2.0 | 21.7% | 5.4% | 16.3% | 14.5 | 15.3% | 25.9% | 20.6% |
| 2.1–6.0 | 25.0% | 13.0% | 6.5% | 14.8 | 36.5% | 17.6% | 27.1% |
| > 6.0 | 6.5% | 0.0% | 3.3% | 3.3 | 2.4% | 2.4% | 2.4% |
| Total | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
Data are presented as percentage of assayed surfaces without or with furcation involvement of corresponding category based on CBCT assessment
Abbreviations: B buccal, MP mesial palatal, DP distal palatal, L lingual