Iontophoresis effects of two-step self-etch and total-etch systems on dentin permeability and sealing of composite restoration under simulated pulpal pressure

离子导入法研究两步自酸蚀和全酸蚀系统对模拟牙髓压力下牙本质渗透性和复合树脂修复体封闭性的影响