To compare the concentration of IL-1? in the apical exudates of phoenix abscess of chronic periapical periodontitis and to examine the correlation of IL-I? concentration with clinical and radiographic findings of the involved teeth.
The phoenix abscess group showed significantly lower concentration(5.65?2.76) ng/ml of IL-1? in the exudates and larger radiolucent areas(32.10?13.82) mm 2 on the X-ray films than the chronic periapical periodontitis group[(12.51?5.15) ng/ml and (6.51?3.56) mm 2 respectively] (P