Table 4.

Endodontic conditions necessitating antibiotics prescription.

Conditions	Number of respondents N (%)
(a) Irreversible pulpitis, mod/severe preop. symptoms	131 (60.6%)
(b) Irreversible pulpitis with acute apical periodontitis, mod/severe preop. symptoms	141 (65.2%)
(c) Necrotic pulp with chronic apical periodontitis, no swelling, no/mild preop. symptoms	97 (44.9%)
(d) Necrotic pulp with acute apical periodontitis, no swelling, mod/severe preop. symptoms	123 (56.9%)
(e) Necrotic pulp with chronic apical periodontitis, sinus tract present, no/mild preop. symptoms	150 (69.4%)
(f) Necrotic pulp with acute apical periodontitis, swelling present, mod/severe preop. symptoms	199 (92.1%)