Pre-heating decreases micro-leakage of bulk fill composite resins in dentin margins of class II cavities: an in-vitro study - Bahari, Mahmoud; Ajami, Amir Ahmad; Ebrahimi Chaharom, Mohammad Esmaeel; Kahnamouei, Mehdi Abed; Katebi, Katayoun; Aghazadeh, Aynaz (Journal of Stomatology, 2024)