The Inspection of the Complications in the Patients Implanted Cardiac Permanent Pacemakers and the Resolving Methods;

Objective Glass inomer is used to line between the side walls of the cavity and the permanent silver restoration, thus eliminating the possibility of bacteria penetrating the space between enamel and restorative material to prevent the possible secondary decay.

Starting from the principle of copper electrolysis,the paper describes the progress on copper electroly- sis technology in terms of how to improve product quality,reduce energy consumption and boost productivity,and points out that permanent cathode electrolysis will be future trend for the development of copper electrolysis tech- nology.