Cement is one of the many constituents of concrete, part of the glue that holds the other materials together. Concrete is made by mixing cement, supplementary cementitious materials, water, fine aggregate (sand), coarse aggregate (gravel or crushed stone) with or without admixtures, reinforcement, fibres or pigments.oncrete is easily and readily prepared and fabricated in all sorts of conceivable shapes and structural systems. Its great simplicity lies in the fact that its constituents are ubiquitous and are readily available almost anywhere in the world 1.
Debulking is the reduction of as much of the bulk (volume) of a tumour as possible. It is usually achieved by surgical removal. It is also known as cytoreduction or cytoreductive surgery (CRS); cytoreduction refers to reducing the number of tumor cells.
Periodontal surgery is a plastic (reshaping) surgical procedure designed to restore and regenerate normal form and function to lost and damaged periodontal structures which support the teeth (the gum tissue, periodontal ligament and bone).eriodontal surgery is a plastic (reshaping) surgical procedure designed to restore and regenerate normal form and function to lost and damaged periodontal structures which support the teeth (the gum tissue, periodontal ligament and bone).