A dental implant is a device that is used to replace the root portion of a missing tooth or missing teeth. Dental implants are used to support natural looking teeth and enable patients who are missing some or all of their natural teeth to smile, speak with confidence and chew their food more comfortably. Implants offer stability because they fuse to your bone. Integration of the implants into your jaw also helps your replacement teeth feel more natural and some people also find the secure fit more comfortable than conventional substitutes.Implants are constructed from materials that are compatible with the tissues of the body. The most common type of dental implant that is placed into the jaw bone is the threaded titanium cylinder. Dental implants are also available as non-threaded, non-tapered cylinders and as non-threaded, tapered cylinders. The type of implant used is decided upon by the surgeon and depends on the location in the jaw that the implant is needed, and the forces that the implant will encounter.