Research Article

Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light Microscopy

Figure 5

Polarization colours of thin and thick fibres in NM, WDSCC, MDSCC, and PDSCC cases. ANOVA analysis: for thin fibres: value: 1.607; value: 0.1979; interpretation: not significant. For thick fibres: value: 224.90; value: 0.0000; interpretation: highly significant.