The most common prosthetic problems in mandibular and maxillary dentures are lack of
retention, stability and continue residual ridge resorbtion. So the patient needs greater
retention to use their dentures. Attachment systems have been used for improving the
retention and stability of implant supported overdentures in edentulous arches. Variety of
commercially available attachment systems are used to retain implants overdentures. The
attachments include stud, magmatic, telescopic and bar attachments. In the present article,
were reviewed the literature concerning the types and design of attachments systems currently
available. Keywords: Types, and Systems of Attachment, Literatures Review