To evaluate the efficacy of silicone, inlay casting wax, self cure acrylic resin as the dowel impression material for reproduction of intra-radicular surface anatomy by using injection technique is an indispensable method. By evaluating the accuracy of these three post impression materials, So that, the successful and durable dowel post could be achieved which gives us a better result and greater patients satisfaction. Therefore, this study can be helpful in bringing a scope for further vivo study and clinical preparation.

Orthodontics is the branch of dental science which deals with the normal growth and development of the body generally, jaws and teeth particularly; their variation and abnormalities and prevention and treatment of dentofacial abnormalities within accepted range of normal. Orthodontics is about more than just a pretty smile. Crooked and crowded teeth are hard to clean and maintain. This can result in tooth decay, worsen gum disease and lead to tooth loss. Other orthodontic problems can contribute to abnormal wear of tooth surfaces, inefficient chewing function, excessive stress on gum tissue...