<prompt> Best method to find out cases of TB in a community is:-Chest X-rayMantoux testSputum smear examinationSputum culture sensitivity  <response>: Ans. is c ie Sputum smear examination Park writes - sputum smear examination by direct microscopy is now considered the method of choice. The reliability cheapness and ease of direct microscopic examination has made it number one case - finding method all over the world. 