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The hinged-clasp assembly removable partial denture.

S D Campbell¹, H Weener

¹Harvard School of Dental Medicine, Boston, Mass.

The Journal of Prosthetic Dentistry

|January 1, 1990

Summary

Severe tooth undercuts and malpositioning complicate removable partial denture insertion. A novel hinged-clasp assembly technique is presented to overcome challenges with conventional clasp designs in these difficult dental situations.

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Area of Science:

Dentistry
Prosthodontics
Dental Materials

Background:

Severe undercuts and malpositioned teeth present challenges for removable partial denture (RPD) fabrication and insertion.
Conventional RPD clasp designs require a common path of insertion for all clasps, which is often compromised in complex dental anatomy.

Purpose of the Study:

To describe a novel technique using a hinged-clasp assembly to address difficulties in RPD insertion caused by severe undercuts and malpositioned teeth.
To provide a solution for fabricating retentive RPDs in challenging clinical scenarios.

Main Methods:

A technique incorporating a hinged-clasp assembly for removable partial dentures is detailed.
The method aims to facilitate the path of insertion for prostheses in the presence of significant undercuts and tooth malpositions.

Main Results:

The described hinged-clasp assembly technique offers a viable solution for overcoming insertion path problems in RPDs.
This approach allows for the successful fabrication and placement of RPDs where conventional clasps would fail.

Conclusions:

The hinged-clasp assembly technique is an effective method for managing severe undercuts and malpositioned teeth in removable partial denture cases.
This technique expands the treatment options for patients requiring RPDs with complex abutment configurations.

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