. 2021 Mar 3;21(5):1741. doi: 10.3390/s21051741

Table 2.

Fluorescence parameters obtained from fluorescence images according to the severity of caries lesion classified using QLF or X-ray criteria.

Occlusal Dental Caries Score (QLF Criteria)	QLF Parameters
Occlusal Dental Caries Score (QLF Criteria)	\|ΔF_max\|	p-Value	ΔR_max	p-Value
1	50.67 ^ab	<0.0001 ¹	49.34 ^a	<0.0001 ¹
2	63.69 ^ac		105.65 ^b
3	77.42 ^bc		221.87 ^ab
Proximal Dental Caries Score (X-ray Criteria)	QLF Parameters
Proximal Dental Caries Score (X-ray Criteria)	\|ΔF_max\|	p-Value	ΔR_max	p-Value
1	3.12 ^ab	<0.0001 ¹	0.00	0.0083 ¹
2	7.13 ^c		0.00
3	17.64 ^ac		16.61
4	19.56 ^b		12.80
Crack Score (QLF Criteria)	QLF Parameters
Crack Score (QLF Criteria)	\|ΔF_max\|	p-Value	ΔR_max	p-Value
1	19.84	0.010 ²	22.44	0.011 ²
2	40.24	0.010 ²	67.60	0.011 ²

¹ Kruskal Wallis test, Bonferroni post hoc Differences between groups, marked with superscript lowercase letters in the same column are statistically significant. p < 0.05. ² Mann–Whitney U test, p < 0.05.