📒 Implant design refers to three dimensional structure of the implant with all the elements and characteristics that compose it. Form, shape, configuration, surface macrostructure and macro irregularities are terms used to describe aspects of the 3-D structure.Implants are available in many shapes, sizes, and lengths,with different surface properties.Implant surface topography can be at the macro, micro and nano level.It is important to know whether certain surface modifications or particular materials will improve clinical results and provide the best available treatment