Screw-retained provisional implant-supported prostheses may have advantages over cement-retained prostheses in certain situations. This article describes a technique for fabrication of screw-retained provisional acrylic resin implant-supported prostheses from the modified metal components provided with the implant.
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http://dx.doi.org/10.1016/j.prosdent.2003.12.018 | DOI Listing |
J Prosthodont
December 2024
Dental Research Center, Dentistry Research Institute, Department of Prosthodontics, Tehran University of Medical Sciences, Tehran, Iran.
Purpose: Metal-ceramic screw-retained implant restorations persist as a fundamental choice in specific clinical scenarios. Little is known about the effects of fabrication steps and aging on their structural properties. This study aimed to investigate how laboratory fabrication procedures and thermomechanical loading affect the structural properties of screw-retained metal-ceramic implant restorations.
View Article and Find Full Text PDFJ Prosthet Dent
November 2024
Professor and Department Head, Department of Prosthodontics and Crown and Bridge, Yenepoya Dental College, Yenepoya Deemed to be University, Mangalore, Karnataka, India.
Statement Of Problem: Bonded screw-retained implant-supported prostheses may become contaminated during fabrication, leading to biological complications. Studies supporting effective cleaning methods are sparse.
Purpose: The purpose of this in -vitro study was to compare the effectiveness of 3 different cleaning techniques for the removal of contaminants on the surfaces of bonded screw-retained implant-supported prostheses.
J Prosthet Dent
November 2024
Professor, School/Hospital of Stomatology, Zhejiang Chinese Medical University, Hangzhou, Ningbo Dental Hospital/Ningbo Oral Health Research Institute, Ningbo, PR China. Electronic address:
Statement Of Problem: Implant-supported monolithic zirconia restorations manufactured using the additive 3-dimensional (3D) gel deposition technique have been introduced. However, studies determining the trueness and adaptation of implant-supported crowns made with the technique are lacking.
Purpose: The purpose of this in vitro study was to evaluate the trueness and adaptation of implant-supported zirconia crowns fabricated using additive 3D gel deposition in comparison with zirconia crowns made with the widely used subtractive milling technique.
J Esthet Restor Dent
October 2024
Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, Ulm, Germany.
Objectives: This study compares the restoration of single-tooth implants with screw-retained lithium-disilicate hybrid-abutment crowns and single-tooth lithium-disilicate crowns adhesively bonded to hybrid abutments with regard to objective clinical and subjective patient-specific evaluation criteria over a time of observation of 3 years.
Materials And Methods: Two bone-level implants were placed in contralateral sides of the same jaw in 10 patients, each with two single-tooth gaps. After osseointegration, implants were uncovered and an impression was taken.
Prim Dent J
December 2024
Ilser Turkyilmaz DMD, PhD Associate Dean of Digital Innovation, Professor and Chair, Department of Comprehensive Care, School of Dental Medicine, Case Western Reserve University, Cleveland, Ohio, USA.
Accurate working impression is an essential requirement for the fabrication of implant prosthesis, and digital impressions have recently become more popular. In this case report, a completely digital workflow is introduced for the fabrication of three single-unit screw-retained implant crowns on the posterior maxilla by a dental student, under supervision. This approach involved the use of an intraoral scanner to capture a digital impression of the three implants and their surrounding mucosa, the opposing arch, and occlusion.
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