Table 5 Cross tabulation of intraoral radiograph with periodontal probing for evaluation of furcation involvement for maxillary and mandibular first molars
Count | Periodontal probing | Total | ||||
|---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | |||
Intraoral radiograph | 0 (absence) | 258 | 75 | 13 | 2 | 352 |
1 (presence) | 58 | 17 | 39 | 28 | 142 | |
Total | 316 | 92 | 52 | 34 | 494 | |