Principles of Attachment Selection for Implant Supported Overdentures
| Principles of Attachment Selection for Implant Supported Overdentures | Hamid Shafie, DDS* and George Obeid, DDS** |
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OVERDENTURE IMPLANTS In recent years, a new generation of dental implants, called overdenture implants, has been introduced to the field of implantology.4,36-43 Currently, there are several different types of these implants available on the market. The main design difference between overdenture implants and traditional implants is that a part of the stud attachment, either male (Fig. 16A, 16B) or female (Fig. 16C) (depending on the manufacture), has been combined with the implant body. In traditional restorative implants, the stud |
attachment would be screwed into the implant body as a separate component. Overdenture implants are available in different diameters and lengths. Based on FDA guidelines, any overdenture implant which has a 3 mm or more diameter can be considered as a permanent implant; any overdenture implant which is less than 3 mm in diameter should be considered a transitional implant. The latter can be used for denture stabilization but not as a permanent implant. |
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