Indocyanine green doped with chitosan nanoparticles based antimicrobial photodynamic therapy in periodontitis patients: A randomized clinical trial

Figure 2 Test site. A: Pre-operative clinical picture of test site; B: Pre-operative radiograph of test site; C: Customized acrylic stent in test site with baseline parameters recorded pocket probing depth - from gingival margin, relative clinical attachment level - from apical end of the groove made in stent; D: Collection of plaque sample from test site for microbiological evaluation; E: Test result being compared with interpretation chart (BANA-zyme test kit) showing blue colour- positive result[27]; F: Scaling and root planing being performed at the test site; G: Application of photosensitizer at test site; H: Application of laser irradiation at test site.