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  Indian J Med Microbiol
 

Table 2: Descriptive statistics showing colour changes, ΔEB (ΔE at baseline), ΔE1 (ΔE after 1 month) andΔE2 (ΔE after 2 months) for each of the specimen in Group 1, Group 2 and Group 3

Table 2: Descriptive statistics showing colour changes, ΔEB (ΔE at baseline), ΔE1 (ΔE after 1 month) andΔE2 (ΔE after 2 months) for each of the specimen in Group 1, Group 2 and Group 3