Pterygoid implants allow patients with severe upper jawbone loss to enjoy the benefits of a dental implant. Pterygoid implants are special dental implants designed to provide a foundation for fixed upper teeth for patients with insufficient upper bone height and width (maxillary atrophy). Pterygoid implants are a valid and valuable resource for the rehabilitation of the posterior atrophic maxilla .Pterygoid implants are placed at the junction of maxillary (upper jaw) bone and Pterygoid process of the Sphenoid bone. Pterygoid implants have received interest in recent years. The use of these implants may avoid sinus lifts, bone grafts . Pterygoid implants have high success rates, minimal complications and a good patient acceptance.