INTRACORONAL ATTACHMENTS FOR REMOVABLE PARTIAL DENTURES

Intracoronal precision attachments for removable partial dentures are primarily selected when:

Image result for arrow symbol The retaining abutments are large enough for adequate tooth reduction for the attachment female to be incorporated into a normal crown contour.
Image result for arrow symbol Strong or multiple abutments exist as the forces are directed to the retaining abutments.
Image result for arrow symbol A stable occlusal table is desired.
Image result for arrow symbol Often opposing either a full denture or a bilateral free-end removable partial denture.

Intracoronal precision attachments are normally rigid or non-resilient directing forces down the long axis of the retaining abutments. Therefore, multiple abutments are common. Intracoronal rigid attachments provide for a more stable occlusal table and removable prosthesis.

The FR system for removable partial dentures is a technological revolution for what many call semi-precision or “mill-ins.” A tapered, friction retained intracoronal precision attachment for removable partial dentures with a lingual arm and for segmented bridgework or non-parallel abutments in fixed bridgework. The female is actually cast against the prefabricated male for total accuracy, improved proximal wall contacts, and tremendous time and labor savings. This simple and inexpensive attachment uses a single investment technique, eliminates porcelain in the female due to the silicone male, allows for easy and accurate duplication, no soldering is needed, easy separation of male and female, and the miniature size allows for use in ‘close bite’ situations. Easy insertion because of the tapered male, improved esthetics (no metal on the occlusal), excellent retention and reduced wear account for this being one of the most popular attachments in dentistry.

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Adjustable Box

Image result for arrow symbol Cast to or bondable female in non-oxydizing, copper-free, precious metal alloy
Image result for arrow symbol The male part can be retained in acrylic, bonded, soldered, or laser welded to the framework
Image result for arrow symbol Exchangeable male
Image result for arrow symbol Adjustable retention via replaceable male activating screw
Image result for arrow symbol May be shortened to 5mm

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New Double Mandrel BPD

The BPD is an improved design for a universal plastic pattern.

The simple to use plastic dovetail intracoronal attachment can be used for non-parallel abutments, segmented bridges, and removable partial dentures with a retentive clasp arm.

The built in mandrel on the male and female provides the convenience of using the BPD in a traditional manner, or inverting it. By inverting the BPD, no metal is shown on the occlusal surface for better esthetics.

Placing the male extracoronal of the crown does not require additional space, or abutment reduction.

On mandibular implant cases, the female tends to follow the taper of the male and allow for some flexing of the lower jaw.

The patterns are produced in a clean burnout plastic. The reduced size provides wider application, better abutment contours, and improved esthetics. Taper ensures easy insertion and well defined proximal plates provide increased stability.

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A universal attachment for traditional bridgework, inverted bridgework, as well as intracoronal and extracoronal partial dentures.

Quantity pricing at 12, 50, and 100

McCollum

Intracoronal, adjustable slide attachment, friction-grip precision attachment.

Characteristics:

Image result for arrow symbol Can be individually shortened down to 3.5 mm
Image result for arrow symbol Dentally and dentally-gingivally supported dentures
Image result for arrow symbol Insertion dentures
Image result for arrow symbol Rigid, uni- and bilateral free-end dentures
Image result for arrow symbol Dentures with one insertion and one free-end saddle

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The UNOR is a screw adjustable retention precision attachment for intracoronal use. The beveled male is adjustable so retention may be either increased or decreased, allowing for easy patient insertion and removal, thus less wear. Vertical height may also be altered for short or ‘close bite’ situations. The female may be directly cast with precious or semi-precious alloys for easy fabrication. A female ceramic former is available for creating a female in non-precious castings.

The excellent external wall contact allows for guide plane stability. The male may be connected to the cast frame by acrylic resin, composite resin, or solder. The system also allows for conversion of a fixed bridge to a removable partial denture if distal abutments are lost.

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INTRACORONAL ATTACHMENTS FOR REMOVABLE PARTIAL DENTURES

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