Stud and Bar Attachments

Overdentures can be secured in the mouth through the use of stud attachments, or implant bar attachments, which utilize a combination of implants, a cast or milled bar, and attachments.

  • Stud precision attachments are used on roots and/or implants for retaining removable
    overdentures. Stud attachments need to be parallel to each other to provide ease of insertion
    and removal and reduce wear potential. Most brands offer a solution to correct implant parallel
    issues/ implant divergence. Do not engage labial soft tissue undercuts with the denture base flange, as this will alter the path of insertion and cause excessive wear to the parts. Stud
    attachments are low in profile to reduce leverage upon the retaining abutments, are easy for
    patient hygiene maintenance, allow physiologic independent movement of abutments, and are
    easy to independently service. We have experience utilizing many different brands and types
    of stud attachments, including, but not limited to, Bredent (VKS), Sterngold (ERA), Zest Anchors
    (LOCATOR), and CEKA/PRECI-LINE.

implant in place

  • Implant bars splint the attachments together and can provide increased stability for the denture. They can be cast or milled. Cast bars are less costly than milled bars. When being cast, the bars require the use of UCLA abutments. We can cast bars using Cr-Co alloy, or various other alloys, as requested by the Doctor. Milled bars are made of titanium. Regarding the attachments placed onto the bar, there are many options available. Some of the most popular are the LOCATOR attachment, Sterngold's ERA attachment, or ball and socket attachments made by various brands. Overdenture bars can be either resilient (tissue supported) or rigid (abutment supported), depending upon the design of the bar. Bars which are extended from the anterior to posterior are rigid, while those on the anterior region are resilient. Rigid bars direct forces to the abutments, while resilient bars direct forces to the tissue and bone. You do not engage labial soft tissue undercuts with the denture base flange, as this will alter the path of insertion and cause excessive wear to the overdenture parts.

 

bar with LOCATOR