Research & Discover Attachments

Click on the dental implant attachments and product category links below for technical specifications, pictures, technique instructions, and ordering information. To look up implant specific products by implant manufacturer, please go to Implant Listing.

Bar systems may be utilized for overdentures, removable partial dentures, and implant prosthesis. Bars may be rigid or resilient, permitting free movement of the prosthesis to direct forces away from the retaining abutments to the supportive bone and tissue. Bars provide more stability and retention than studs with the additional benefit of abutment splinting. Bar systems are generally in one of three types:

  1. Direct Retainers, such as the Hader or Dolder bar systems
  2. Incorporated into the bar, such as Locator or Clix bar attachments.
  3. Offset attachments, such as the Plunger Loc, Sagix, or Vertix.

The shape of the bar is indicated by the amount of room available, by the shape of the alveolar ridge, and the type of construction. Do not engage labial soft tissue undercuts with the denture base flange, as this will alter the path of insertion and cause excessive wear and servicing requirements.

Stud precision attachments are primarily used on roots and implants for retaining removable partial dentures or overdentures. All stud attachments MUST be parallel to each other to provide ease of insertion and removal and reduce wear potential. Do not engage labial soft tissue undercuts with the denture base flange, as this will alter the path of insertion and cause excessive wear and servicing requirements. 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.

Extracoronal precision attachments for removable partial dentures are recommended when:

  • Less tooth reduction is required. Retaining abutments are small to avoid over–contoured intracoronal attachment abutments and/or pulpal exposure.
  • Extracoronal precision attachment are traditionally easier to insert and remove. These are used for patients with limited manual dexterity, or the prosthesis has a difficult path of insertion and removal.
  • The patient does not always wear the removable prosthesis. Intracoronal females in retaining abutments will collect food and present problems when the patient attempts to seat the intracoronal retained prosthesis.

Extracoronal Precision attachments are normally resilient to allow free movement of the prosthesis to distribute potentially destructive forces or loads away from the abutments to supportive bone and tissue. Three distinctive movements are defined in function: (1) Hinge, (2) Vertical, and (3) rotational.

The fewer abutments remaining, and the weaker the abutments are, the greater the need for resiliency or free movement to direct the forces away from the abutments to the supportive bone and tissue via the base of the prosthesis.

Preat has assembled a unique offering of crown and bridge specialties to assist the dental professional. Many dental professionals already have accuracy in their casting. Preat offers systems to complement this and provide consistency. Precision attachments are utilized in bridgework for:

  1. Non-parallel abutments.
  2. Segmenting bridges.
  3. Future conversion if abutments must be sacrificed.
  4. Segmented bridges offer the advantage of only requiring sections of prepared abutments to be parallel, improved contours, thinner connectors for open embrasures, less thermal distortion from porcelain application, easier cementation, independent physiologic movement of segments, and conversion capability without losing the entire bridge.
  5. Rod and tube type attachments, such as the Splintastik, are primarily designed for use with anterior abutments.
  6. Dove-tail shaped attachments, such as the FR and BPD, are primarily designed for posterior usage.

View the following links to learn more:

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