Snyder's test tell us the:

 # Snyder's test tell us the: (AIPG-96)

a) Exact nature of microorganisms

b) Combined acidogenic nature of microorganisms

c) Enamel dissolving capacity of saliva

d) All of the above

The correct answer is B. Combined acidogenic nature of microorganisms

Snyder test measures the ability of the salivary microorganisms to form organic acids from a carbohydrate medium. In this test the glucose agar medium contains an indicator dye "Bromocresol green" which changes color from green to yellow in the range of PH 5.4 to 3.8

 

Colour observations in snyder test:- 

24 hrs	48 hrs	72 hrs
If yellow marked caries susceptibility	If yellow  definate caries susceptibility	If yellow  limited caries susceptibility
If green continue to incubate and observe at 48 hrs	If green continue to incubate and observe at 72 hrs	If green caries inactive

CLICK HERE FOR MORE MCQs