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J Adv Prosthodont. 2012 Nov;4(4):254-8. doi: 10.4047/jap.2012.4.4.254. Epub 2012 Nov 29.

Implant-supported overdenture with prefabricated bar attachment system in mandibular edentulous patient.

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  • 1Department of Dentistry, Ajou University School of Medicine, Suwon, Republic of Korea.


Implant-supported overdenture is a reliable treatment option for the patients with edentulous mandible when they have difficulty in using complete dentures. Several options have been used for implant-supported overdenture attachments. Among these, bar attachment system has greater retention and better maintainability than others. SFI-Bar® is prefabricated and can be adjustable at chairside. Therefore, laboratory procedures such as soldering and welding are unnecessary, which leads to fewer errors and lower costs. A 67-year-old female patient presented, complaining of mobility of lower anterior teeth with old denture. She had been wearing complete denture in the maxilla and removable partial denture in the mandible with severe bone loss. After extracting the teeth, two implants were placed in front of mental foramen, and SFI-Bar® was connected. A tube bar was seated to two adapters through large ball joints and fixation screws, connecting each implant. The length of the tube bar was adjusted according to inter-implant distance. Then, a female part was attached to the bar beneath the new denture. This clinical report describes two-implant-supported overdenture using the SFI-Bar® system in a mandibular edentulous patient.


Edentulous Jaws; Implant-Supported Denture; Overdenture; Prefabricated Bar

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