Table 2: Clinical outcomes and histopathological diagnoses of surgical margins by frozen section techniques (FS).

Clinical outcomesHistopathology of surgical margins by FS
SCC(%)CIS(%)Epithelial dysplasiaOthers(%)Total(%)
Moderate(%)Mild(%)

Relapse-free0(0.0)8(6.2)47(36.7)61(47.7)12(9.4)128(100.0)
Relapse5(6.0)24(29.0)28(33.7)20(24.1)6(7.2)83(100.0)

Total5(2.4)32(15.2)75(35.5)81(38.4)18(8.5)211(100.0)

(bold) Differences between the relapse-free and relapse group were statistically significant ( ) in three categories of oral malignancies.