A Technique to Fabricate a New Crown to an Existing Removable Partial Denture. 2021

Tom Bereznicki, and Manraj Rai
Visiting Clinical Specialist Teacher, Department of Primary Dental Care, King's College London; Private Practice, Dawood & Tanner, London.

Fabricating a crown for a tooth that serves as an abutment for an existing removable partial denture (RPD) provides a restorative challenge. Typically, the compromised tooth requiring an extra-coronal restoration is initially restored. It is followed by the construction of a new RPD that accurately fits the restored abutment. An increasingly common scenario is that the existing RPD is deemed clinically acceptable and, therefore, does not require replacing. This results in the clinical dilemma of fabricating a crown for an abutment tooth, while also considering how the contours of this restoration will fit with the RPD's clasps and rests. This can be achieved through the use of various techniques subdivided into indirect, direct and combined indirect-direct. This article describes an indirect-direct technique used in conjunction with the functionally generated path technique to achieve accurately a stable record of the patient's occlusion in the fabrication of a new crown to an existing RPD.

UI MeSH Term Description Entries
D003442 Crowns A prosthetic restoration that reproduces the entire surface anatomy of the visible natural crown of a tooth. It may be partial (covering three or more surfaces of a tooth) or complete (covering all surfaces). It is made of gold or other metal, porcelain, or resin. Dental Crowns,Crown, Dental,Crowns, Dental,Dental Crown,Crown
D003832 Denture, Partial, Removable A partial denture designed and constructed to be removed readily from the mouth. Removable Partial Denture,Denture, Removable Partial,Dentures, Removable Partial,Partial Denture, Removable,Partial Dentures, Removable,Removable Partial Dentures
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000044 Dental Abutments Natural teeth or teeth roots used as anchorage for a fixed or removable denture or other prosthesis (such as an implant) serving the same purpose. Abutments, Dental,Abutment, Dental,Dental Abutment
D014070 Tooth One of a set of bone-like structures in the mouth used for biting and chewing. Teeth

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