Dental implants provide several advantages over other teeth replacement options. In addition to looking and feeling like natural teeth, implant-supported bridges replace teeth without support from adjacent natural teeth. Other treatments for consecutive teeth loss like fixed bridges or removable partial dentures are dependent on support from adjacent teeth.
Best of all is that because implants will replace some of your tooth roots, your bone is better preserved, preventing bone loss. With a fixed bridge or removable partial denture, the bone surrounding the tooth root will begin to resorb, or be recycled back into the body (see research here). Unlike any other dental procedure dental implants integrate with your jawbone, helping to maintain jaw and facial structural strength and form.
Ultimately in comes down to this: implants are the most esthetic, the most functional and the most comfortable alternative to natural teeth. Gums and bone can recede around a fixed bridge or removable partial denture, leaving a visible defect. With dental implants, they do not. Even in cases where several implants support multiple teeth, the titanium screw is strong enough and durable enough that more than one tooth can be supported at a time without any noticeable degradation in function.