Figure 1

(a) 78 Sudanese participants – Metagenomic oral samples flow diagram. Participant samples were categorised into saliva, supragingival plaque and oral mucosa swabs. (b) Premalignant and oral squamous cell carcinoma Metagenomic flow diagram. Samples were achieved from formalin fixed paraffin embedded tissues of premalignant, oral cancer and non – cancerous (control) sample.