Table 3.

Assessment of behavior of lesions by fluorescence loss (ΔF) and area (A)

Lesions	ΔF0 → ΔF3	ΔF0 → ΔF1	ΔF2 → ΔF3	A0 → A3	A0 → A1	A2 → A3
Worsened	45	51	40	36	30	24
Improved	151	80	86	91	50	58
Stable	168	244	237	242	297	298
Restored	18	7	19	13	5	2