Comparative Evaluation of Commercially Available Freeze Dried Powdered Probiotics on Mutans Streptococci Count: A Randomized, Double Blind, Clinical Study - Yousuf, Asif; Nagaraj, Anup; Ganta, Shravani; Sidiq, Mohsin; Pareek, Sonia; Vishnani, Preeti; Acharya, Siddharth; Singh, Kushpal (Frontiers in Dentistry, 2016)