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Examples of POCIDs after ten minute assays with color calibration cards. (a) Healthy participant #148 rinse (R) at dilutions 1:2, 1:3 and 1:4. (b) Periodontal disease participant #120 saliva (S) dilution 1:3, and rinse (R) dilutions 1:3, 1:4. (c) Periodontal disease participant #121 rinse (R) dilutions 1:3, 1:4. (d) Periodontal disease participant #137 saliva (S) dilutions 1:3, 1:5, 1:25, 1:125.
