Table 2 Treatment outcome definitions based on radiographically estimated transition events between baseline and final PESS scores of the periapical lesion size (S), it's relation with the root (R), and location of bone destruction (D)
Diagnostic parameters | Positive treatment outcome | Negative treatment outcome |
|---|---|---|
Periapical lesion size, (S) | S3 → S2; S3 → S1; S3 → S0; S2 → S1; S2 → S0; S1 → S0; | S0 → S1; S0 → S2; S0 → S3; S1 → S2; S1 → S3; |
S1 → S1; S0 → S0 | S2 → S2; S3 → S3 | |
Periapical lesion relation with root, (R) | R3 → R2; R3 → R1; R3 → R0; R2 → R1; R2 → R0; R1 → R0; R1 → R1; R0 → R0 | R0 → R1; R0 → R2; R0 → R3; R1 → R2; R1 → R3; |
R2 → R2; R3 → R3 | ||
Periapical lesion location, (D) | D3 → D2; D3 → D1; D3 → D0; D2 → D1; D2 → D0; D1 → D0; D1 → D1; D0 → D0 | D0 → D1; D0 → D2; D0 → D3; D1 → D2; D1 → D3l; |
D2 → D2; D3 → D3 |