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Dental Implants

Definition : Prosthetic devices designed for total or partial implantation into oral tissues to provide retention and support for fixed or removable dental prostheses (i.e., dentures), working as an artificial tooth root. Dental implants are usually devices resembling a screw and made of alloplastics (e.g., metal) materials; titanium (and/or titanium alloy) is the most frequently used metal due to its ability to become incorporated in the bone structure (i.e., fused to the bone, known as osseointegration). Dental implants are usually surgically embedded in the bone and work as a dental anchor that supports fixed or removable dental prostheses (i.e., dentures); when used to support a single tooth, the post to which the artificial tooth attaches is fixed to the implant. Dedicated dental implants may be intended for placing in the bone (i.e., endosteal), passing through the bone (i.e., transosteal), or resting on top of the bone (i.e., subperiosteal); dental implants that are totally or partially supported by gingival tissue are also available. Dental implants are available in a variety of sizes and shapes, including implants appropriate for individual teeth, several teeth (i.e., fixed partial prostheses, also known as bridges), and denture support.

Entry Terms : "Prostheses, Dental, Implantable" , "Abutments, Dental" , "Dental Abutments"

UMDC code : 16744

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