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2. Abutment (dentistry) - Wikipedia

   en.wikipedia.org/wiki/Abutment_(dentistry)

   In dentistry, an abutment is a connecting element. [1] This is used in the context of a fixed bridge (the "abutment teeth" referring to the teeth supporting the bridge), partial removable dentures (the "abutment teeth" referring to the teeth supporting the partial) and in implants (used to attach a crown, bridge, or removable denture to the dental implant fixture).

3. Multi-unit abutment - Wikipedia

   en.wikipedia.org/wiki/Multi-unit_abutment

   A multi-unit abutment (MUA) is an abutment most commonly used with dental implants in "All-on-Four" protocols. [1] [2] They are designed for screw-retained group restorations, [3] which are often used in combination with angled dental implants [4] and whole arch replacements, as well as screw fixation of bridges made of zirconium or metal-ceramic group restorations to the implant.

4. Dental implant - Wikipedia

   en.wikipedia.org/wiki/Dental_implant

   A dental lab then simultaneously fabricates an abutment and crown. The abutment is seated on the implant, a screw passes through the abutment to secure it to an internal thread on the implant (lag-screw). There are variations on this, such as when the abutment and implant body are one piece or when a stock (prefabricated) abutment is used ...

5. Implant-abutment junction - Wikipedia

   en.wikipedia.org/wiki/Implant-abutment_junction

   In implant dentistry, the implant-abutment junction (IAJ) refers to the location of intimate contact between a dental implant and its restorative abutment. The IAJ is a focus of much attention because its morphology and location tend to affect the amount of bone resorption during the initial period of crestal bone changes immediately following ...

6. Platform switching - Wikipedia

   en.wikipedia.org/wiki/Platform_switching

   This dental radiograph displays two identical 5.0 mm diameter Biomet 3i tapered dental implants placed into the lower right mandible. The healing abutment on the more posterior implant [left] is platform matched (it shares the same 5.0 mm diameter as the implant platform), while the healing abutment on the more anterior implant [right] is platform switched (it possesses a 4.1 mm diameter).

7. Overdenture - Wikipedia

   en.wikipedia.org/wiki/Overdenture

   The ball (male unit) is made on the implant abutment while the socket (female unit) is incorporated on the fitting surface of the overdenture. [14] Locator (self-aligning) attachment: This is the least commonly used stud attachment and is usually indicated when the implant abutments are non-parallel to each other. [12] Bars and clips