Attachment retained implant overdentures are functionally superior to conventional dentures and are effective and cost saving alternatives to fixed implant dental prostheses. A wide variety of commercially available systems are used to connect implants to overdenture. Attachments for both maxillary and mandibular overdentures provide an acceptable implant prognosis, predictable retention while simplifying implant treatment protocols, making implant dentistry available for a larger segment of the population.