Effect of Lactic Acid on Microleakage of Class V Low-Shrinkage Composite Restorations - Hashemikamangar, Sedigheh Sadat; Pourhashemi, Seyed Jalal; Nekooimehr, Zohre; Gholampur Dehaki, Mehrzad; Kharazifard, Mohamad Javad (Frontiers in Dentistry, 2016)