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Figure 2: Flowchart of study design. Abbreviations: BOP - Bleeding on probing; CAL - Clinical attachment loss; GCF - Gingival crevicular fluid; OHI - Oral hygiene instruction; SRP - Scaling and root planning

Figure 2: Flowchart of study design. Abbreviations: BOP - Bleeding on probing; CAL - Clinical attachment loss; GCF - Gingival crevicular fluid; OHI - Oral hygiene instruction; SRP - Scaling and root planning