Figure 1.

Test Group I (unaided): Scanning electron microscope analysis (×50 and ×100). It shows the presence of smear layer, residual calculus in some parts, loss of tooth cementum in some areas, and roughness loss of tooth surface with visible cracks on the cementum surface. Residual calculus is marked with red color, loss of tooth substance with orange marking, and roughness loss with visible cracks as green marking. (a) test Group I at 50x magnification; (b) Test Group at 100x magnification; (Red colour) residual calculus on the root surface; (orange colour) loss of tooth substance; (green colour) roughness loss with visible cracks