357; Least cariogenic among these

 a) Raw starch
 b) Cooked starch
 c) Sucrose 
d) Fructose

 Ans: B[Ref.Shafer 4th ed Pg 425 / 5th ed Pg 595-597]
FOR MORE IN DENTISTRY: VISIT RxDENTISTRY LOVEHUES DENTAL MATRIX