Table 1 Abbreviations of tooth-related variables (tooth-related factors) for coding the 36 cases in this survey
Variables | Abbreviations | ||
|---|---|---|---|
Tooth position | LI: Incisor | LP: Premolar | LM: Molar |
Coronal status | C: Cavity | V: Full veneer crown | |
Root canal filling status | A: Absent | U: Underfilling | |
Size of periapical radiolucency (diameter) | S: Small (< 3 mm) | M: Medium (4-5 mm) | L: Large (> 5 mm) |