Dental implant is by far the best option for replacement of a missing tooth. Implants provide a strong foundation for permanent tooth replacement. This can be done for a particular missing tooth or can be done in case of full arch dentures. Implants being durable and bio-compatible are of greatest advantage to humankind. Success of dental implants is commonly defined by the implant survival. Implant failure is the biggest complication, which can be multi-factorial. This book gives a brie review about the etiology, implant quality, osseointegration, various classification and also the management.