A review of techniques of crown fabrication for existing removable partial dentures

Tran, Chi D.; Sherraden, Dennis R.; Curtis, Thomas A.

doi:10.1016/0022-3913(86)90439-7

Cited by 24 publications

(6 citation statements)

References 15 publications

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“…Many procedural approaches have been used to fabricate retrofitting surveyed crowns 3,4,5,7. Recently, computer-aided design/computer-assisted manufacturing(CAD/CAM) techniques have become available.…”

Section: Discussionmentioning

confidence: 99%

“…Regardless of the cause of tooth structure loss, the restoration procedure is usually complex. The literature has described many methods for making retrofitting surveyed crowns for such cases 1,2,3,4,5,6,7,8,9,10. Some have suggested cast metal restorations while others have chosen ceramic restorations for esthetic reasons although the latter is more complicated.…”

Section: Introductionmentioning

confidence: 99%

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Fabrication of a metal-ceramic crown to fit an existing partial removable dental prosthesis using ceramic pressed to metal technique: a clinical report

Seo

Ahn

2014

J Adv Prosthodont

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Fabricating a crown to retrofit an existing abutment tooth for a partial removable dental prosthesis (PRDP) is one of the most time-consuming and labor-intensive clinical procedures. In particular, when the patient is concerned with esthetic aspects of restoration, the task of fabricating becomes more daunting. Many techniques for the fabrication of all-metallic or metal-ceramic crowns have been discussed in the literature. This article was aimed to describe a simple fabrication method in which a retrofitting crown was fabricated for a precise fit using a ceramic-pressed-to-metal system.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fabrication of a metal-ceramic crown to fit an existing partial removable dental prosthesis using ceramic pressed to metal technique: a clinical report

Seo

Ahn

2014

J Adv Prosthodont

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“…1 Numerous reports of indirect and direct techniques for new crown fabrication to fit an existing RPD have been published since 1960. 2 The main advantage of the direct technique is that the patients can wear their existing RPD during the crown fabrication process. However, increased clinical time is required to fit the inner surface of the RPD using wax or resin, because of the difficulty in manipulating the crown pattern directly in the oral environment.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Zirconia Abutment Crown and Clasp Under Existing Removable Partial Denture Using CAD/CAM Technology

Tasaka¹,

Shimizu²,

Hirabayashi³

et al. 2021

CCIDE

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This clinical report describes a technique for fabricating a retrofit zirconia crown and clasp for an existing removable partial denture (RPD) using computer-aided design and computer-aided manufacturing (CAD/CAM). A 58-year-old patient developed acute pulpitis of a tooth, and the RPD clasp was broken on the tooth. A pre-preparation scan was captured using an intraoral scanner. The existing RPD was placed in the mouth, and scans of the postpreparation, antagonist arch, and interocclusal record were made. A zirconia crown was designed by superimposing the pre-preparation scan and the post-preparation scan of the abutment tooth. The design data were transferred to a 5-axis milling machine, and the crown was milled from zirconia. The crown was luted using resin cement. An intraoral scan of the crown with RPD was taken, and the RPD was removed to re-scan the proximal guide plane of the crown. The I-bar clasp was designed, and the casting pattern was built using a 3D printer. The pattern was used to cast the clasp. The clasp was set using autopolymerizing acrylic resin to the RPD. The main advantages of this efficient process are that patients can use their RPDs during fabrication of the crown of the abutment tooth. The limitations of using this technique include the cost of the intraoral scanner and the education for the dental clinicians and technicians. In this clinical report, CAD/CAM technology prevented human error, required no adjustment, and uninterrupted use of the RPD for fabricating a retrofit zirconia crown and clasp for an existing RPD.

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“…[4][5][6][7][8] The RPD may demonstrate a positional change against the abutment during impression making. 9,10 The digital process may expedite the procedure of retrofitting a surveyed crown to an existing RPD by eliminating the need for impression making. 11 The digital workflow usually starts with scanning of intraoral structures to create the surface geometry into a 3-dimensional (STL) files using small triangles.…”

mentioning

confidence: 99%

Digital Workflow for Retrofitting a Surveyed Crown Using a Removable Partial Denture as an Antagonist

Bae

Park

et al. 2020

Journal of Prosthodontics

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Digital workflow expedites the procedure of retrofitting a surveyed crown against an existing removable partial denture (RPD). This article describes a simple and straightforward technique of This article is protected by copyright. All rights reserved.3 digital workflow where an existing RPD is scanned as an antagonist to design the rest seat, guide plane, and height of contour of a surveyed crown. KeywordsDigital workflow; Surveyed crown; Computer-aided design; Removable partial denture Removable partial dentures (RPDs) play an important role in restoring oral functions and

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A review of techniques of crown fabrication for existing removable partial dentures

Cited by 24 publications

References 15 publications

Fabrication of a metal-ceramic crown to fit an existing partial removable dental prosthesis using ceramic pressed to metal technique: a clinical report

Fabrication of a metal-ceramic crown to fit an existing partial removable dental prosthesis using ceramic pressed to metal technique: a clinical report

Fabrication of Zirconia Abutment Crown and Clasp Under Existing Removable Partial Denture Using CAD/CAM Technology

Digital Workflow for Retrofitting a Surveyed Crown Using a Removable Partial Denture as an Antagonist

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