introduction: implant bed preparation with laser is taken into consideration owing to the increased interest in use of lasers in hard tissue surgery. the purpose of this study is to determine the deviations in the position and inclination between the planned and prepared implant beds with erbium, chromium doped yttrium scandium gallium garnet (er,cr: ysgg) laser using stereolithographic (sla) s...

With the integration of information technology and foreign language education, it has exerted a profound influence on learning, formed new open, free personalized learning system. In order to give full play advantages computer network-assisted English teaching, is necessary take students' demands as core interpret correctly multiple actively constructing model teaching. Based analysis backgroun...

ICAI (Intelligent Computer Assisted Instruction, hereinafter referred as ICAI), is a teaching mode on the theoretical foundation of the cognitive science and thinking science, through the study of the characteristics and process of the thinking of human in learning, with the application of the

Understanding the basic concepts of chemistry is very important for the students of secondary school level and university level. The Computer Assisted Teaching and Learning (CATL) methods are marked by the usage of computers in teaching and learning processes. Usage of WORD, EXCEL, POWERPOINT, ACCESS, PHOTOSHOP etc., as well as the use of specialized packages such as CHEMDRAW, SCIFINDER etc., c...