Table 2.

OCT, LF, ICDAS-II, and radiograph assessment of sound (E0) and early carious teeth (E1) before and after sealant application

	Before sealant applied			After sealant applied
Histopathogy identified as E0 and E1 (All teeth n= 56)	OCT* % (n)	LF % (n)	ICDAS % (n)	Radiograph % (n)	OCT % (n)	LF % (n)
E0 (n=41)
Scored same as histo	82.9 (34)	97.6 (40)	82.9 (34)	75.6(31)	97.6 (40)	9.8 (4)
More carious than histo	17.1 (7)	2.4 (1)	17.0 (7)	24.4 (10)	2.4 (1)	90.2 (37)
E1 (n=15)
Scored same as histo	66.7 (10)	0	20.0 (3)	0	73.3 (11)	0
More carious than histo	26.7 (4)	20.0 (3)	40.0 (6)	40.0 (6)†	6.7 (1)	93.3 (14)
Scored as sound	6.7 (1)	80.0 (12)	40.0 (6)	60.0 (9)	20.0 (3)	6.7 (1)
Group 1 (ClearVue) (n=30)
E0 (n=20)
Scored same as histo	90.0 (18)	100 (20)	75.0 (15)	75.0 (15)	100.0 (20)	15.0 (3)
More carious than histo	10.0 (2)	0	25.0 (5)	25.0 (5)†	0	85.0 (17)
E1 (n=10)
Scored same as histo	70.0 (7)	0	30.0 (3)	0	70.0 (7)	0
More carious than histo	30.0 (3)	10.0 (1)	20.0 (2)	40.0 (4)†	10.0 (1)	90.0 (9)
Scored as sound	0	90.0 (9)	50.0 (5)	60.0 (6)	20.0 (2)	10.0 (1)
Group 2 (Helioseal) (n=26)
E0 (n=21)
Scored same as histo	76.2 (16)	95.2 (20)	90.5 (19)	76.2 (16)	95.2 (20)	4.8 (1)
More carious than histo	23.8 (5)	4.8 (1)	9.5 (2)	23.8 (5)†	4.8 (1)	95.2 (20)
E1 (n=5)
Scored same as histo	60.0 (3)	0	0	0	80.0 (4)	0
More carious than histo	20.0 (1)	40.0 (2)	80.0 (4)	40.0 (2)†	0	100.0 (5)
Scored as sound	20.0 (1)	60.0 (3)	20.0 (1)	60.0 (3)	20.0 (1)	0

^*Optical Coherence Tomography (OCT), Laser Fluorescence (LF), International Caries Detection and Assessment System (ICDAS-II)

^†Radiographs did not identify any enamel lesions (E1–E2), categorizing all lesions D1–3