Abstract

Three-dimensional (3D) printing is an additive manufacturing method in which by laying down successive layers of material a 3D item is formed. Charles Hull created the 3D printer which used the technique of stereolithography, as well as the first program for virtualization.Various types of polymers,gels , resins and powders are the materials employed in 3D printing.3D printing techniques includes liquid based, solid based and powder based using which surgical guides and implant abutment can be fabricated .The accuracy of 3D printed implants is assessed by global deviation, angular deviation, depth deviation and lateral deviation. Even though the complications and disadvantages are associated with 3D printing, they can achieve higher precision and accuracy in implant placement. However, further studies are needed to evaluate their clinical outcome over time and function..

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