+ Must instrument (cleaning) and conducted surface manipulation (wipe the surface with alcohol) before implementation. + Pellet rods Need dental implants and oral the test tube on flame alcohol lamp before and after each retrieved (or transfer). Must be conducted in an environment where there is alcohol lamp flame.Theoretical results: Positive: at least one in two in vitro environment shifted from blue to yellow. (Continue to proceed to the next step).Negative: no color change in both test tubes (conclusion: the original sample does not contain Salmonella species).
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