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Journal of Prosthetic Dentistry

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https://www.readbyqxmd.com/read/30143240/immediate-occlusal-loading-of-implants-a-rapid-chairside-procedure-for-making-an-interim-fixed-prosthesis
#1
Gerald Maille, Eric Loyer
No abstract text is available yet for this article.
August 21, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30143239/optical-properties-and-surface-roughness-of-prepolymerized-poly-methyl-methacrylate-denture-base-materials
#2
Gülce Alp, William M Johnston, Burak Yilmaz
STATEMENT OF PROBLEM: Studies of the color stability, relative translucency, and surface roughness of newly introduced computer-assisted design and computer-assisted manufacturing (CAD-CAM) prepolymerized poly(methyl methacrylate) (PMMA) denture base materials are lacking. PURPOSE: The purpose of this in vitro study was to evaluate the color stability, relative translucency, and surface roughness of conventional and different prepolymerized CAD-CAM PMMA denture base materials after coffee thermocycling (CTC)...
August 21, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30139676/the-facial-flow-concept-an-organic-orofacial-analysis-the-vertical-component
#3
Bruno Pereira Silva, Eduardo Mahn, Kyle Stanley, Christian Coachman
Orofacial analysis has been used by dentists for many years. The process involves applying mathematical rules, geometric principles, and straight lines to create either parallel or perpendicular references based on the true horizon and/or natural head position. These reference lines guide treatment planning and smile design for restorative treatments to achieve harmony between the new smile and the face. The goal is to obtain harmony and not symmetry. Faces are asymmetrical entities and because of that cannot be analyzed using purely straight lines...
August 21, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30139678/the-influence-of-simulated-aging-on-the-color-stability-of-composite-resin-cements
#4
Nijad R Mina, Nadim Z Baba, Fahad A Al-Harbi, Moataz F Elgezawi, Maha Daou
STATEMENT OF PROBLEM: Data for the color stability of dual-polymerized and light-polymerized resin cements used in esthetic dentistry are lacking. PURPOSE: The purpose of this in vitro study was to evaluate the color stability of 4 types of composite resin cements after water aging. MATERIAL AND METHODS: Specimens (n=30) of each resin cement (Variolink Esthetic LC, RelyX Ultimate DC, Nexus 3 DC, Nexus 3 LC) were prepared. The shade selected was Light+ for Variolink Esthetic, B 0...
August 20, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30139677/influence-of-coping-and-veneer-thickness-on-the-color-of-zirconia-based-restorations-on-different-implant-abutment-backgrounds
#5
Farhad Tabatabaian, Alireza Jafari, Mahshid Namdari, Minoo Mahshid
STATEMENT OF PROBLEM: The effects of coping and veneer thickness on the color of zirconia-based restorations are unknown. PURPOSE: The purpose of this in vitro study was to evaluate the influence of coping and veneer thickness on the color of zirconia-based restorations on different implant abutment backgrounds and to define minimum coping and veneer thicknesses for the backgrounds investigated to achieve a target color. MATERIAL AND METHODS: Thirty zirconia disk specimens with thicknesses of 0...
August 20, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30139675/management-of-ectodermal-dysplasia-with-tooth-supported-computer-engineered-complete-overdentures-a-clinical-report
#6
Amit Punj, Mathew T Kattadiyil
Ectodermal dysplasia (ED) is a genetic disorder affecting organs derived from the embryonic ectoderm. Symptoms manifest early in life, and dental anomalies, including partial or complete edentulism, affect most of these patients. Overdentures have been a popular and conservative treatment option for patients with ED with a few natural teeth. Advancements in digital technology have improved and positively influenced dentistry, including removable prosthodontics. This clinical report describes a positive treatment outcome using computer-engineered complete overdentures to rehabilitate a patient with dental manifestations of ectodermal dysplasia...
August 20, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30139674/effect-of-carbamide-peroxide-bleaching-on-enamel-characteristics-and-susceptibility-to-further-discoloration
#7
Fadi A L Farawati, Shu-Min Hsu, Edgar O'Neill, Dan Neal, Arthur Clark, Josephine Esquivel-Upshaw
STATEMENT OF PROBLEM: Whether tooth whitening alters the surface topography of enamel causing an increase in surface roughness that could increase susceptibility to restaining is unclear. PURPOSE: The purpose of this in vitro study was to evaluate whether immersing enamel in common solutions produces a color change of ΔE greater than 2; whether the highest concentration carbamide peroxide bleaching agent produces the greatest ΔE; whether bleaching increases the susceptibility to further staining by common solutions; and whether morphologic changes to the enamel surface are observed after staining and bleaching as evidenced by scanning electron microscopy (SEM) analysis and energy-dispersive x-ray spectroscopy (EDS)...
August 20, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30139673/removal-torque-and-force-to-failure-of-non-axially-tightened-implant-abutment-screws
#8
Jack Goldberg, Tiffany Lee, Jin-Ho Phark, Winston Chee
STATEMENT OF PROBLEM: Components have been introduced that allow the screw channel of an implant crown to be angled lingually and the screws to be tightened in a non-axial direction to the implant. Information is lacking as to how the removal torque value (RTV) and force to failure (FTF) of these components compare with those of conventional screws. PURPOSE: The purpose of this in vitro study was to evaluate and compare the RTV and FTF values of cyclically loaded implant-supported restorations...
August 20, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30126688/recording-an-accurate-maxillomandibular-relationship-by-adding-vertical-stops-to-the-occlusal-rims
#9
Kyung-A Kim, Won-Suk Oh, Jung-Jin Lee
Complete denture fabrication includes accurate recording of the maxillomandibular relationship to ensure the functional requirements of occlusion and minimize the traumatic effects on the residual alveolar ridges. However, errors may occur when the occlusal rims have uneven and nonuniform occlusal contacts. The technique described is a straightforward method for recording an accurate silicone centric relationship record with dome-shaped baseplate wax added as vertical stops on the occlusal surface of the mandibular occlusal rim...
August 18, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30126687/internal-adaptation-of-cobalt-chromium-posts-fabricated-by-selective-laser-melting-technology
#10
Wei Liu, Hai Qing, Xibo Pei, Jian Wang
STATEMENT OF PROBLEM: Selective laser melting (SLM) has become popular in prosthetic dentistry. However, only limited information is available for the internal adaptation of cobalt-chromium (Co-Cr) posts fabricated by SLM. PURPOSE: The purpose of this in vitro study was to investigate the internal adaptation of Co-Cr metal posts fabricated by SLM technique. MATERIAL AND METHODS: Thirty-six Co-Cr metal posts were fabricated by conventional casting, subtractive computer-aided design and computer-aided manufacturing (CAD-CAM), and additive CAD-CAM, by making an impression from a standardized model of a tooth with a single root canal...
August 18, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093130/changes-in-the-esthetic-physical-and-biological-properties-of-a-titanium-alloy-abutment-treated-by-anodic-oxidation
#11
Tingting Wang, Lina Wang, Qianqian Lu, Zhen Fan
STATEMENT OF PROBLEM: The grayish appearance of titanium abutments adversely affects peri-implant esthetics in patients with thin mucosa, impacting patient satisfaction with implant-supported restorations in esthetic regions. PURPOSE: The purpose of this in vitro study was to change the color of titanium alloys with anodic oxidation and to evaluate alterations in the esthetic, physical, and biological properties of the anodized titanium alloys. MATERIAL AND METHODS: Pink and yellow titanium alloys produced by anodization were the experimental groups, and the untreated titanium alloy and zirconia were used as the control groups...
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093129/accurate-repositioning-of-an-implant-interim-restoration-into-the-definitive-impression-to-obtain-an-exact-reproduction-of-tissue-contours-in-the-soft-tissue-cast
#12
Jimmy Londono, Alvaro Blasi, Jasmine Silas, Amara Abreu
No abstract text is available yet for this article.
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093128/management-of-an-edentulous-patient-with-temporomandibular-disorders-by-using-cad-cam-prostheses-a-clinical-report
#13
Catherine Millet
This clinical report describes the application of computer-aided design and computer-aided manufacturing (CAD-CAM) complete dentures (CDs) in 4 visits and a 2-year follow-up period for a patient with temporomandibular disorders (TMDs), severe occlusal disturbances, and parafunctional habits. The use of a Gothic arch tracing for recording the maxillomandibular relationship and verifying muscular function was particularly helpful in such a symptomatic patient. A trial period was used to determine patient acceptance and adaptation to the new CDs...
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093127/changes-in-hardness-of-addition-polymerizing-silicone-resilient-denture-liners-after-storage-in-artificial-saliva
#14
Agnieszka Nowakowska-Toporowska, Krystyna Malecka, Zbigniew Raszewski, Wlodzimierz Wieckiewicz
STATEMENT OF PROBLEM: The hardness of silicone resilient denture liners was reported to be more stable than that of acrylic resin resilient denture liners. However, the changes in hardness of these materials in artificial saliva are unclear. PURPOSE: The purpose of this in vitro study was to evaluate changes in the hardness of addition-polymerizing silicone-resilient denture liners for long-term use after storage in artificial saliva. MATERIAL AND METHODS: Four addition-polymerizing silicone resilient denture liners were tested: GC Reline Soft, Elite Soft Relining, Megabase, and Mucopren Soft...
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093126/survival-rate-and-load-to-failure-of-premolars-restored-with-inlays-an-evaluation-of-different-inlay-fabrication-methods
#15
Marília Pivetta Rippe, Carlo Monaco, Taiane Missau, Vinícius Felipe Wandscher, Lucia Volpe, Roberto Scotti, Marco Antonio Bottino, Luiz Felipe Valandro
STATEMENT OF PROBLEM: Studies that evaluate the survival rate and load to fracture of premolars restored with inlays produced using different methods are lacking. PURPOSE: The purpose of this in vitro study was to compare the survival rate and fracture load of premolars restored with inlays fabricated using different methods. MATERIAL AND METHODS: Thirty maxillary premolars were selected, embedded, and prepared to receive inlays fabricated using different methods (n=10): LaCom-digital impression with Lava C...
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093125/management-of-denture-related-traumatic-ulcers-using-ozone
#16
Bader K AlZarea
STATEMENT OF PROBLEM: Management of denture-related traumatic ulcers using ozone may improve tissue healing and reduce patient pain and discomfort. PURPOSE: The purpose of this clinical investigation was to assess the efficacy of ozone in the treatment of denture-related traumatic ulcers. MATERIAL AND METHODS: Seventy-five participants (study group) with denture-related traumatic ulcers were evaluated in this blinded, controlled cohort observational investigation...
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093124/erratum
#17
(no author information available yet)
No abstract text is available yet for this article.
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093123/obtaining-reliable-intraoral-digital-scans-for-an-implant-supported-complete-arch-prosthesis-a-dental-technique
#18
Mikel Iturrate, Rikardo Minguez, Guillermo Pradies, Eneko Solaberrieta
This article describes a technique for obtaining an accurate complete-arch digital scan for an edentulous patient. To achieve this, an auxiliary polymeric device that simulates a denture is designed, fabricated, and placed in the mouth. This device, having the geometry of a typical dental arch, facilitates the digitalization of the edentulous complete arch. This is because the change in radius of the curvature (change of geometry) enables the scanner to perform a more accurate alignment. Initially, the necessary location of the implants is acquired, and then the soft tissue is added...
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093122/mechanical-integrity-of-cement-and-screw-retained-zirconium-lithium-silicate-glass-ceramic-crowns-to-morse-taper-implants
#19
Brendan R Vahey, Mariane B Sordi, Kyle Stanley, Ricardo S Magini, Antonio P Novaes de Oliveira, Márcio C Fredel, Bruno Henriques, Júlio C M Souza
STATEMENT OF PROBLEM: The improved esthetics of ceramic dental prostheses has increased their popularity, although their high elastic modulus and low fracture toughness and tensile strength may reduce the long-term performance of dental prostheses. PURPOSE: The purpose of this in vitro study was to assess the mechanical integrity of zirconium-lithium silicate glass-ceramic crowns cement- and screw-retained to a titanium implant-abutment after fatigue. MATERIAL AND METHODS: Forty titanium implants were placed in polyacetal to mimic bone support...
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30093121/digital-tools-and-3d-printing-technologies-integrated-into-the-workflow-of-restorative-treatment-a-clinical-report
#20
Marta Revilla-León, Adriana Besné-Torre, Jose Luis Sánchez-Rubio, Javier J Fábrega, Mutlu Özcan
The development of technologies including intraoral scanners, dental software for digital restoration design, and additive manufacturing has improved the digital workflow of restorative treatment. The present article describes a digital workflow with intraoral scanning, computer-aided design (CAD) software, and subtractive and additive manufacturing procedures for a patient receiving lithium disilicate laminate veneers.
August 7, 2018: Journal of Prosthetic Dentistry
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