TY - JOUR TI - Influence of photoactivation protocol and light guide distance on conversion and microleakage of composite restorations PY - 2009 AU - Froes Salgado, N. R. AU - Pfeifer, C. S. AU - Francci, Carlos Eduardo AU - Kawano, Y. T2 - Operative dentistry SN - 0361-7734 PP - Seattle VL - 34 IS - 4 SP - 408-414 ER -