Microhardness and Penetration of Artificial White Spot Lesions Treated with Resin or Colloidal Silica Infiltration Journal title: Journal of Clinical and Diagnostic Research Authors: Jyothi Mandava, Y. Shilpa Reddy, Sirisha Kantheti, Uma Chalasani, Ravi Chandra Ravi, Roopesh Borugad... Subject(s):