J Dent Rehabil Appl Sci.  2017 Dec;33(4):321-328. 10.14368/jdras.2017.33.4.321.

Implant-retained overdenture with CM LOC ® Pekkton® in maxillary edentulous patient

  • 1Department of Prosthodontics, College of Dentistry, Dankook University, Cheonan, Republic of Korea. syshin@dankook.ac.kr


Treatment options for edentulous patients are complete denture and implant prosthesis. A two implant-retained overdenture can be considered the first treatment in the edentulous mandible, but there is no clear consensus of treatment for edentulous maxilla. Implant-retention/support overdenture shows better retention and stability than complete denture and is less expensive and more esthetic than implant-supported fixed prosthesis. CM LOC® Pekkton® attachment is a solitary type attachment and evaluated to have excellent abrasion resistance and retention with a female part made of poly-ether-ketone-ketone. Meanwhile, SR Ivocap system is injection molding method and discussed to show few changes in the vertical dimension of denture and have excellent fracture resistance. In this case, we restored maxillary arch with a four implant-retained overdenture using CM LOC® Pekkton® and SR Ivocap system, and mandibular arch with a removable partial denture. Through this procedure, satisfactory outcomes were achieved both in functional and esthetic aspects.


implant-retained overdenture; maxillary overdenture; Pekkton; CM LOC® attachment; SR Ivocap system
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