This article demonstrates the utilization of a preprosthetic extraoral verification template that could be used to ensure the accuracy of the master cast from which the laboratory working model is used as the in vitro foundation for the implant-supported prosthesis framework construction.
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http://dx.doi.org/10.1563/1548-1336(2002)028<0184:TUOAEV>2.3.CO;2 | DOI Listing |
J Prosthodont
January 2024
U.S. Army Advanced Eduction Program in Prosthodontics, Fort Eisenhower, Georgia, USA.
The purpose of this article is to describe a technique to accurately cement implant crowns on an abutment extraorally and prevent misalignment that might change the desired position of the crown on the abutment when delivered. An implant-retained crown was tried-in and occlusal and interproximal contacts were adjusted for delivery. The cementation verification aid was fabricated using a polyvinylsiloxane bite registration material (Blu Mousse) to cement the crown onto the abutment extraorally to ensure proper alignment of the crown on the abutment.
View Article and Find Full Text PDFJ Prosthet Dent
December 2023
Affiliate Assistant Professor, Graduate Prosthodontics, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Wash; Faculty and Director of Research and Digital Dentistry, Kois Center, Seattle, Wash; and Adjunct Professor, Department of Prosthodontics, School of Dental Medicine, Tufts University, Boston, Mass. Electronic address:
The reverse impression technique consists of the extraoral digitalization of an implant-supported interim prosthesis by placing scan analogs in an interim implant-supported prosthesis. The technique facilitates the recording of implant and tooth positions and allows the digitalization of the volumetric dimensions of the interim restoration. However, it is not able to register soft tissue changes during the healing process.
View Article and Find Full Text PDFBMC Oral Health
December 2023
Department of Dentistry and Oral-Maxillofacial Surgery, Fujita Health University, School of Medicine, 1-98 Dengakugakubo, Kutsukake, Toyoake, Aichi, 470-1192, Japan.
Background: The COVID-19 pandemic led to concerns about the potential airborne transmission of the virus during dental procedures, but evidence of actual transmission in clinical settings was lacking. This study aimed to observe the behavior of dental sprays generated from dental rotary handpieces and to evaluate the effectiveness of high-volume evacuators (HVEs) using laser light sheets and water-sensitive papers.
Methods: A dental manikin and jaw model were mounted in a dental treatment unit.
J Esthet Restor Dent
April 2024
Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Washington, USA.
The reverse impression method involves the extraoral digitalization of the interim implant-supported prostheses and intraoral digitalization of antagonist arch and maxillomandibular relationship. This technique allows the fabrication of implant-supported prostheses by using a complete-digital workflow. The scan analogs make the reverse impression method feasible.
View Article and Find Full Text PDFJ Prosthet Dent
December 2024
Associate Professor, Department of Oral and Maxillofacial Surgery, School of Dentistry, International University of Catalunya, Barcelona, Spain.
In complete arch implant rehabilitation, one of the greatest difficulties still encountered in the digital workflow is the deviation of the implant position during intraoral scanner (IOS) data acquisition. As a result, the passivity of a definitive prosthesis fabricated using IOS data might be compromised. Thus, an implant position verification method is essential, either digitally or conventionally executed.
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