There are no limits to science. Each advance merely widens the sphere of exploration. Many a times the operator is confronted with situations where direct restoration are not feasible nor advisable because of extensive loss of tooth structure and /or need to modify or change the present occlusion . Keeping teeth is important for many functions, such as eating and speech, whilst in our present society good esthetics are a high priority for the majority of people. Dental care must also be designed to prevent any future problems and to help to maintain this healthy environment. This area of...