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Journal J Prosthet Dent

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Color perceptibility and validity of silicon carbide-based protective coatings for dental ceramics.

Chaker Fares, Randy Elhassani, Fan Ren, Alexandra R Cabrera, Ingrid Chai, Dan Neal, Shu-Min Hsu, Josephine F Esquivel-Upshaw,

<h4>Statement of problem</h4>A silicon carbide (SiC) protective coating has been developed for dental ceramics, but whether the coated ceramics can match the classical VITA shades is unclear.<h4>Purpose</h4>The purpose of this observational in vitro study was to evaluate the color adaptability of SiC-coated dental ceramics by testing the hypotheses that SiC-coated disks ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Effect of fatigue loading and failure mode of different ceramic implant abutments.

Rubén Cárdenas, Diana Sánchez, Raúl Euán, Arturo M Flores,

<h4>Statement of problem</h4>Currently many options are available for restoring a dental implant, although the ideal implant abutment for withstanding the occlusal load and the restorative material for fulfilling the esthetic need remains unclear. Zirconia (Zir) abutments offer good esthetics, but concerns still remain regarding their fracture strength, complex fabrication, and ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Complete denture fabrication with polyetherketoneketone as a framework material: A clinical report.

Ling Ding, Wei Lu, Xi Chen, Qi Xi, Guofeng Wu,

This clinical report describes the fabrication of conventional complete dentures with polyetherketoneketone (PEKK) frameworks made with computer-aided design and computer-aided manufacturing (CAD-CAM). No biologic or prosthetic complications were observed at the 1-year follow-up. ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Effects of tightening torque on screw stress and formation of implant-abutment microgaps: A finite element analysis.

Bruna Santos Honório Tonin, Yiting He, Ning Ye, Hooi Pin Chew, Alex Fok,

<h4>Statement of problem</h4>The mechanical behavior of the conical connection implant with different torque levels requires evaluation.<h4>Purpose</h4>The purpose of the finite element analysis study was to investigate the impact of abutment screw torque on the formation of microgaps at the implant-to-abutment interface of a conical connection under oblique loading. This is ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Effect of tropical outdoor weathering on the surface roughness and mechanical properties of maxillofacial silicones.

Ahmed Mushfiqur Rahman, Nafij Bin Jamayet, Md Minhaz Ul Islam Nizami, Yanti Johari, Adam Husein, Mohammad Khursheed Alam,

<h4>Statement of problem</h4>The climate of tropical Southeast Asia includes high humidity and ultraviolet radiation that reduce the lifespan of silicone prostheses by inducing changes in their mechanical properties and color stability. Studies on the surface roughness (SR) and mechanical properties of different silicone elastomers (SEs) subjected to the natural tropical weather ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Determining of canine position by multiple facial landmarks to achieve natural esthetics in complete denture treatment.

Natchalee Srimaneekarn, Tawepong Arayapisit, Ornnicha Pooktuantong, Holland R Cheng, Pan Soonsawad,

<h4>Statement of problem</h4>Anterior tooth selection is an important step in complete denture treatment as it plays a pivotal role not only in esthetics but also in mastication and pronunciation. However, conventional methods for tooth selection are not well established and rely on facial measurements and proportions, which vary among different ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Effect of a vinegar-hydrogen peroxide mixture on the surface properties of a cobalt-chromium alloy: A possible disinfectant for removable partial dentures.

Alexandra Feldmann, Larissa Dolfini Alexandrino, Vinicius Rodrigues Dos Santos, Myriam Pereira Kapczinski, Sara Fraga, Wander José da Silva, Cristiane Machado Mengatto,

<h4>Statement of problem</h4>A vinegar-hydrogen peroxide mixture has been reported to be effective in eliminating Candida albicans and Staphylococcus aureus from acrylic resin, and its action has been reported to be comparable with that of sodium hypochlorite or peracetic acid. However, the effects of this mixture on cobalt-chromium alloys remain unknown.<h4>Purpose</h4>The ... Read more >>

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[2021, :]

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Fracture resistance of cement-retained and screw-cement-retained milled posterior crowns with screw-access hole preparations before and after firing: An in vitro study.

Jesus Enrique Cabrera, Donald M Belles, Ruben A Sauceda, Dianna M Arriaga, Joe C Ontiveros,

<h4>Statement of problem</h4>When a cement-retained lithium disilicate crown needs to be removed, perforation is needed to reach the abutment screw. How this process affects its strength is unclear.<h4>Purpose</h4>The purpose of this in vitro study was to evaluate the fracture strength of milled lithium disilicate implant crowns with screw-access holes created before ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Cervical tooth anatomy considerations for prefabricated anatomic healing abutment design: A mathematical formulation.

János Vág, George Freedman, Enikő Szabó, László Románszky, Gábor Berkei,

<h4>Statement of problem</h4>A custom emergence profile offers the ideal horizontal dimensions for an anatomic healing abutment. However, developing such an emergence profile can be a time-consuming and complex process.<h4>Purpose</h4>The purpose of this study was to develop a mathematical formula defining horizontal cervical tooth geometry to design prefabricated, tooth-specific, healing abutments.<h4>Material ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Fungicidal and inhibitory efficacy of cinnamon and lemongrass essential oils on Candida albicans biofilm established on acrylic resin: An in vitro study.

Suwan Choonharuangdej, Theerathavaj Srithavaj, Supanut Thummawanit,

<h4>Statement of problem</h4>It is unclear whether cinnamon and lemongrass essential oils can effectively reduce the Candida-biofilm frequently formed on dental devices made from heat-polymerized polymethyl methacrylate (PMMA) resin that contributes to the development of mild oropharyngeal as well as life-threatening candidiasis in patients wearing the devices.<h4>Purpose</h4>The purpose of this in vitro ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Occlusal force and occlusal contact reestablishment with resin-bonded fixed partial dental prostheses using the Dahl concept: A clinical study.

Rostam Iffendi Idris, Yoshinobu Shoji, Tong Wah Lim,

<h4>Statement of problem</h4>Space creation for a metal retainer of the resin-bonded fixed partial dental prostheses (RBFPDPs) with the Dahl concept remains controversial because of the lack of clinical studies.<h4>Purpose</h4>The purpose of this clinical study was to investigate the occlusal force and occlusal contact reestablishment of RBFPDPs cemented at an increased ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Examining the adaptation of modified endocrowns prepared with CAD-CAM in maxillary and mandibular molars: A microcomputed tomography study.

Can Topkara, Ali Keleş,

<h4>Statement of problem</h4>Endocrowns have been reported to be successful restorations for endodontically treated molars. However, comparisons between maxillary and mandibular molars, with different pulp chamber configurations are lacking. Information on the influence of venting on the adaptation of endocrowns is also lacking.<h4>Purpose</h4>The purpose of this in vitro study was to evaluate ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Fabrication of a facially generated tooth reduction guide for minimally invasive preparations: A dental technique.

Lucas Caponi, Fady Raslan, Miguel Roig,

This article describes a 3D virtual diagnostic analysis for treatment planning an esthetically driven functional rehabilitation by using computer-aided design and computer-aided manufacturing (CAD-CAM) technology. In this protocol, a digitally planned diagnostic waxing (exocad DentalCAD) was used to visualize the proposed tooth position and the presence of areas without sufficient ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Evaluation of material waste, dimensional stability, and detail reproduction of polyvinyl siloxane impression materials mixed with different mixing tips.

Ana Teresa Maluly-Proni, Juliana Aparecida Delben, André Luiz Fraga Briso, Fabiano Carlos Marson, Paulo Henrique Dos Santos,

<h4>Statement of problem</h4>Redesigned mixing tips, promising less impression material waste, have been marketed. However, whether their use adversely affects the dimensional stability and detail reproduction of the impression material is unclear.<h4>Purpose</h4>The purpose of this in vitro study was to evaluate the dimensional stability, detail reproduction, and material waste of different polyvinyl ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Effect of dopaminergic agonist group of drugs in treatment of sleep bruxism: A systematic review.

Bappaditya Bhattacharjee, Ritu Saneja, Atul Bhatnagar, Pinki Gupta,

<h4>Statement of problem</h4>Various factors are responsible for sleep bruxism; however, whether the dopaminergic agonist group of drugs is effective in the treatment of sleep bruxism is unclear.<h4>Purpose</h4>The purpose of this systematic review was to evaluate the effect of the dopaminergic agonist group of drugs in controlling sleep bruxism in comparison ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Accuracy of 3-dimensional printing of dental casts: A proposal for quality standardization.

Gian Battista Greco, Davide Popi, Danilo Alessio Di Stefano,

<h4>Statement of problem</h4>A digital workflow in fixed prosthodontics may use a 3D printer to obtain a cast for porcelain application. Standards exist that define the accuracy of traditional casts, but the accuracy requirements of 3D-printed casts have not been defined.<h4>Purpose</h4>The purpose of this retrospective study was to investigate how the ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Comparison of CAD-CAM and traditional chairside processing of 4-unit interim prostheses with and without cantilevers: Mechanics, fracture behavior, and finite element analysis.

Carolina Coelho, Catarina Calamote, António Correia Pinto, José L Esteves, António Ramos, Tomás Escuin, Júlio C M Souza,

<h4>Statement of problem</h4>How processing by computer-aided design and computer-aided manufacturing (CAD-CAM) or traditional chairside fabrication techniques affects the presence of defects and the mechanical properties of interim dental prostheses is unclear.<h4>Purpose</h4>The purpose of this in vitro study was to compare the effects of CAD-CAM versus traditional chairside material processing on the ... Read more >>

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[2021, :]

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A combined conventional-digital workflow for predictable cross-arch guide plane reduction.

Gregory W Bennett, Leslie Smith,

A combined conventional and digital workflow is described to print a 3-dimensional complete-arch reduction guide. This was used to prepare guide planes with cross-arch parallelism in the distal of both maxillary first molars, the mesial of both maxillary first premolars, and the distolingual of both maxillary central incisors for a ... Read more >>

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[2021, :]

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Interdisciplinary rehabilitation of a patient with ectodermal dysplasia utilizing digital tools: A clinical report.

Luiz H Gonzaga, Karina P Amorim, Newton Sesma, William C Martin,

The present clinical report describes the rehabilitation of a patient diagnosed with ectodermal dysplasia performed by an interdisciplinary team in a comprehensive approach aided by digital technology. The complexity of the treatment was related to predictability regarding timing and the type of approach. The patient was referred for treatment because ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Zygomatic implant-supported prosthodontic rehabilitation of edentulous patients with a history of cleft palate: A clinical report.

Johanna Leven, Rahat Ali, Chris J Butterworth,

Zygomatic implants are an established treatment option in the management of the atrophic maxilla and in oncology rehabilitation, but evidence for their use in patients with a history of cleft palate is sparse. Zygomatic implants were used to retain a maxillary prosthesis in 7 edentulous patients with an unrepaired or ... Read more >>

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[2021, :]

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Serializing prosthetic rehabilitations to minimize time for patients with a maxillectomy without dentoalveolar support.

Sarah Kay Youny Lee, Eleni Voltidi, Chad Rasmussen, Olivia Muller,

An oral prosthesis can help maintain a sense of normalcy by preserving psychosocial and physiologic function in the aftermath of a maxillary resection. Rehabilitating the resulting defect in a timely manner requires strategic choices in treatment sequencing and prosthetic design. This clinical report describes the process of fabricating a series ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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A combined digital technique to fabricate an implant-retained auricular prosthesis for rehabilitation of hemifacial microsomia.

Hossein Dashti, Hamidreza Rajati Haghi, Mohammadreza Nakhaei, Ehsan Kiamanesh,

Implant-retained auricular prostheses provide an excellent treatment option with better retention and stability than a conventionally retained prosthesis. This article presents a technique for auricular reconstruction for a patient with misplaced implants. The scanning process combined the use of an intraoral scanner and a facial scanner to enhance accuracy in ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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Evaluating the efficiency of three methods to clean and disinfect screw- and cement-retained prostheses.

Lina Yin, Yibo Zhu, Huajie Yu, Lixin Qiu,

<h4>Statement of problem</h4>Screw- and cement-retained prostheses (SCRPs) may be contaminated during fabrication in a dental laboratory, leading to mechanical and biological complications related to the implant treatment. Studies that explored methods to efficiently and conveniently clean and disinfect SCRPs are sparse.<h4>Purpose</h4>The purpose of this clinical study was to compare the ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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The future of maxillofacial prosthodontics in North America: Part II - A survey.

Johan F Wolfaardt, Lawrence E Brecht, Robert M Taft,

<h4>Statement of problem</h4>Head and neck care has been transformed by the introduction of advanced digital technologies that will continue to be important change drivers for maxillofacial prosthodontics. Insight into these changes is important in answering the question of whether maxillofacial prosthodontics is appropriately prepared to contribute effectively to future multidisciplinary ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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A method of transferring the subgingival contour of interim restorations to definitive restorations by using zirconia copings customized with casting wax.

Hiroyuki Kibayashi, Ryota Takaoka, Makoto Morita,

Establishing continuous and symmetric gingival levels is essential to achieving optimal gingival esthetics. Adjustment of the subgingival contour of the interim prosthesis is useful for managing gingival levels. This article illustrates how to accurately and predictably transfer the adjusted subgingival contour of interim restorations to the definitive restorations by using ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2021, :]

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