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Composite veneers

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https://www.readbyqxmd.com/read/29337644/performance-of-monolithic-and-veneered-zirconia-crowns-after-endodontic-treatment-and-different-repair-strategies
#1
A Scioscia, A Helfers, S Soliman, G Krastl, N U Zitzmann
OBJECTIVES: To investigate failure loads of monolithic and veneered all-ceramic crowns after root canal treatment and to analyze marginal integrity of repair fillings. METHODS AND MATERIALS: Seventy-two human molars were restored with monolithic (Zr-All) or veneered (Zr-Ven) zirconia crowns. Molars were assigned to six groups (n=12 per group) depending on restoration material, access type (no access cavity [control] or endodontic treatment [test]), and type of filling (one-step [1-st] or two-step [2-st])...
January 16, 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29310876/effect-of-ceramic-material-and-resin-cement-systems-on-the-color-stability-of-laminate-veneers-after-accelerated-aging
#2
Seong-Min Lee, Yu-Sung Choi
STATEMENT OF PROBLEM: Laminate veneers are susceptible to color change during clinical service. Studies that compare the effects of different ceramic and resin cement systems on color stability are lacking. PURPOSE: The purpose of this in vitro study was to evaluate the color stability of laminate veneers after accelerated aging using different ceramic and resin cement systems. MATERIAL AND METHODS: Ceramic specimens (N=168; shade A1; thickness, 0...
January 5, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29308507/-analysis-and-prevention-of-dust-pollution-caused-by-5-common-prosthetic-materials
#3
Xiang-Wen Yang, Bin Wei, Cao-Yun Zhu, Liang Qian, Yi-Han Li
PURPOSE: To analyze and evaluate dust pollution in prosthodontic clinic and make proposal for reasonable protection. METHODS: This study analyzed the particle size, element composition and dust concentration of 5 materials which were commonly used in dental restorations (veneering ceramics, cobalt-chromium alloy, photosensitive plastic, hard base resin, advanced artificial teeth) by using scanning electron microscopy (SEM), X-ray energy dispersive spectrometer(EDS) and dust concentration laser tester, in order to assess the effects of prosthodontic dust posed on medical staff health and put forward reasonable suggestions for prevention and control of dust pollution...
October 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29304908/incisal-preparation-design-for-ceramic-veneers-a-critical-review
#4
Sy Yin Chai, Vincent Bennani, John M Aarts, Karl Lyons
BACKGROUND: The authors reviewed and identified the evidence for the various incisal preparation designs for ceramic veneers. TYPES OF STUDIES REVIEWED: The authors searched MEDLINE with PubMed and Ovid to identify any articles in the English language related to the topic up through March 2017 using a combination of key words: "porcelain veneer or ceramic veneer or dental veneer or labial veneer" AND "preparation," NOT "composite veneer," NOT "crown," NOT "implant," NOT "fixed partial denture or bridge or denture," NOT "porcelain-fused-to-metal," NOT "marginal gap or fit...
January 2018: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29302294/severe-tetracycline-dental-discoloration-restoration-with-conventional-feldspathic-ceramic-veneers-a-clinical-report
#5
Vicente Faus-Matoses, Ignacio Faus-Matoses, Esther Ruiz-Bell, Vicente J Faus-Llácer
The treatment of severe tetracycline discoloration is a challenge for the dentist. There are several treatment options and one of the most effective is the use of feldspathic veneers. The aim of this clinical case was to carry out the replacement with conventional feldspathic ceramic veneers on a patient with highly stained teeth (grade IV tetracycline) by a minimally invasive approach. Clinical examination revealed gingival retraction, color change of the veneers, ceramic cracked of 1.1 and 1.3 and incisal wear in lower anterior teeth...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29259356/in-vitro-fracture-resistance-of-composite-resin-veneered-zirconia-crowns
#6
Chaimongkon Peampring, Juthatip Aksornmuang, Sasiwimol Sanohkan
Aims: The aim of this study is to investigate the fracture load to failure and damage mode of the composite resin-veneered zirconia crowns preparing with two different zirconia surface treatments compared conventional porcelain-veneered zirconia crowns. Materials and Methods: Metallic molar-shape dies prepared with 10° convergence angle a 1.5 mm deep chamfer finish line were used. Two groups of composite-resin-veneered zirconia crowns were prepared using different surface treatment (Group A - sandblasting and Group B - glaze-on technique)...
July 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29240208/effect-of-different-intraradicular-posts-on-the-color-of-the-buccal-gingiva-at-teeth-restored-with-zirconia-crowns
#7
Karin Wolleb Torrisi, Goran I Benic, Irena Sailer, Christoph Hf Hämmerle
The purpose of this study was to test whether prosthetic treatment with different intraradicular posts influences the color of the buccal gingiva at teeth restored with zirconia crowns. A total of 31 patients in need of a full-coverage single crown at an endodontically treated premolar, canine, or incisor in the maxilla or the mandible were included. The patients were randomly assigned to receive composite build-ups using titanium (Ti), zirconia (Zi), or glass-fiber (Gf) posts or a build-up using no post at all (NP)...
January 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29182213/the-effect-of-core-and-veneering-design-on-the-optical-properties-of-polyether-ether-ketone
#8
S Zeighami, S Mirmohammadrezaei, M Safi, S M Falahchai
This study aimed to evaluate the effect of core shade and core and veneering thickness on color parameters and translucency of polyether ether ketone (PEEK). Sixty PEEK discs (0.5 and 1 mm in thickness) with white and dentine shades were veneered with A2 shade indirect composite resin with 0.5, 1 and 1.5 mm thickness (n=5). Cores without the veneering material served as controls for translucency evaluation. Color parameters were measured by a spectroradiometer. Color difference (ΔE₀₀) and translucency parameters (TP) were computed...
November 16, 2017: Community Dental Health
https://www.readbyqxmd.com/read/29182212/a-randomised-controlled-trial-of-a-universal-bonding-agent-at-three-years-self-etch-vs-total-etch
#9
F J T Burke, S Mirmohammadrezaei, M Safi, S M Falahchai
This study aimed to evaluate the effect of core shade and core and veneering thickness on color parameters and translucency of polyether ether ketone (PEEK). Sixty PEEK discs (0.5 and 1 mm in thickness) with white and dentine shades were veneered with A2 shade indirect composite resin with 0.5, 1 and 1.5 mm thickness (n=5). Cores without the veneering material served as controls for translucency evaluation. Color parameters were measured by a spectroradiometer. Color difference (ΔE₀₀) and translucency parameters (TP) were computed...
November 16, 2017: Community Dental Health
https://www.readbyqxmd.com/read/29131447/effect-of-various-treatment-modalities-on-surface-characteristics-and-shear-bond-strengths-of-polyetheretherketone-based-core-materials
#10
Ahmet Kürşat Çulhaoğlu, Serhat Emre Özkır, Volkan Şahin, Burak Yılmaz, Mehmet Ali Kılıçarslan
PURPOSE: To investigate the effect of different surface treatments on the surface roughness (Ra), wettability, and shear bond strength of polyetheretherketone (PEEK) to composite resin. MATERIALS AND METHODS: One hundred ninety eight PEEK specimens were divided into six groups (n = 33). Specimen surfaces were treated with the following surface treatment modalities: silicoating (CoJet), acetone treatment, acid etching (H2 SO4 ), airborne particle abrasion (Al2 O3 ), laser irradiation (Yb:PL laser), and the nontreated surface serving as the control...
November 13, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29082046/tooth-reattachment-and-palatal-veneer-on-a-multidisciplinary-approach-of-crown-fractures-in-upper-central-incisors
#11
Vanessa Machado, Ricardo Alves, Luísa Lopes, João Botelho, José João Mendes
Dental trauma is more common in young patients and its sequelae may have great impact on the esthetics, functions, and phonetics. This paper reports a case of trauma in both central incisors in a young 17-year-old patient who was treated using adhesive tooth fragment reattachment on tooth 2.1 and a palatal indirect composite veneer on tooth 1.1. Regarding the available literature and fracture extension, the treatment approach proposed for this case provided good functional and esthetic outcomes. Clinical and radiographic results after 1 year were successful...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/29079354/effect-of-luting-agent-on-the-load-to-failure-and-accelerated-fatigue-resistance-of-lithium-disilicate-laminate-veneers
#12
Marco M M Gresnigt, Mutlu Özcan, Marco Carvalho, Priscilla Lazari, Marco S Cune, Peywand Razavi, Pascal Magne
OBJECTIVE: The aim of this study was to investigate the influence of the luting agent on the application of laminate veneers (LVs) in an accelerated fatigue and load-to-failure test after thermo-cyclic aging. METHODS: Sound maxillary central incisors (N=40) were randomly divided into four groups to receive LVs (Li2Si2O5) that were adhesively bonded: Group CEMF: Adhesive cement (Variolink Esthetic LC), fatigue test; Group CEMLF: Adhesive cement, load-to-failure test; Group COMF: Resin composite (Enamel HFO), fatigue test; Group COMLF: Resin composite, load-to-failure test...
December 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29042725/the-effect-of-polymerization-and-preparation-techniques-on-the-microleakage-of-composite-laminate-veneers
#13
Neslihan Celik, Merve Iscan Yapar, Numan Taşpınar, Nilgun Seven
BACKGROUND: Marginal leakage is the important factor influencing the maintenance of dental esthetic. AIM: The purpose of this study was to evaluate the relationship between the preparation techniques and type of polymerization techniques on microleakage of composite laminate veneers. MATERIALS AND METHODS: Ninety-one same sized, caries-free human maxillary central incisors were randomly assigned to 13 groups (n = 7) and were designed with four different preparation techniques (window type, feather type, bevel type, and incisal overlap type)...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28960775/cad-cam-ceramic-fragments-in-anterior-teeth-a-clinical-report
#14
Bruna S Sinhori, Sylvio Monteiro, Jussara K Bernardon, Luiz N Baratieri
OBJECTIVE: The treatment of fractured teeth has become a great opportunity to investigate new approaches in the field of restorative dentistry. Restoring teeth with ceramic fragments is a great challenge, however, the computer aided design/computer aided manufacturing (CAD/CAM) technology allows the fabrication of both laminate veneers and ceramic fragments. MATERIALS AND METHODS: Thus, the aim of this article was to report a clinical case where anterior teeth, fractured due to a sport practice, were restored with CAD/CAM ceramic fragments...
September 28, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28955597/treatment-approaches-for-traumatized-anterior-teeth-with-excessive-tissue-loss-three-case-reports
#15
Zuhal Yildirim, Omer Yavuz Gomec
Use of direct composite and indirect laminate veneers has been an alternative to metal- and all-ceramic crowns for anterior teeth restorations. Dental traumas are the most common reasons for excessive tissue loss. Treatment options depend on the amount of remaining tissue, the extent of the damage to dental pulp and periapical tissues and the time elapsed before dental treatment. The aim of this case report was to evaluate the direct and indirect techniques used in the treatments of traumatically fractured anterior teeth...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/28944358/ceramic-vs-composite-veneering-of-full-arch-implant-supported-zirconium-frameworks-assessing-patient-preference-and-satisfaction-a-crossover-double-blind-randomised-controlled-trial
#16
Mauro Merli, Eugenio Bianchini, Giorgia Mariotti, Marco Moscatelli, Matteo Piemontese, Giorgio Rappelli, Michele Nieri
PURPOSE: The objectives of this two-period, crossover, mono-centred, double-blind, randomised controlled trial (RCT) were to compare two different materials used for full arch implant-supported prosthetic restorations with regard to patient preference and impact on a patient's quality of life. MATERIALS AND METHODS: Edentulous patients requesting one full arch restoration in the mandible or maxilla supported by dental implants were included in this study. Patients were randomised to receive either a full arch zirconia framework hand-veneered with ceramic, or a full arch zirconia framework hand-veneered with composite material...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28886769/dental-ceramics-for-restoration-and-metal-veneering
#17
REVIEW
Yu Zhang, J Robert Kelly
A survey of the development of dental ceramics is presented to provide a better understanding of the rationale behind the development and clinical indications of each class of ceramic material. Knowledge of the composition, microstructure, and properties of a material is critical for selecting the right material for specific applications. The key to successful ceramic restorations rests on material selection, manufacturing technique, and restoration design, including the balancing of several factors such as residual stresses, tooth contact conditions, tooth size and shape, elastic modulus of the adhesives and tooth structure, and surface state...
October 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/28876966/the-effect-of-resin-bonding-on-long-term-success-of-high-strength-ceramics
#18
M B Blatz, M Vonderheide, J Conejo
Digital manufacturing, all-ceramics, and adhesive dentistry are currently the trendiest topics in clinical restorative dentistry. Tooth- and implant-supported fixed restorations from computer-aided design (CAD)/computer-aided manufacturing (CAM)-fabricated high-strength ceramics-namely, alumina and zirconia-are widely accepted as reliable alternatives to traditional metal-ceramic restorations. Most recent developments have focused on high-translucent monolithic full-contour zirconia restorations, which have become extremely popular in a short period of time, due to physical strength, CAD/CAM fabrication, and low cost...
September 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28862587/modified-peek-as-an-alternative-crown-framework-material-for-weak-abutment-teeth-a-case-report
#19
Panagiotis Zoidis, Eleonora Bakiri, Ioannis Papathanasiou, Anastasia Zappi
This case report describes the fabrication of 3 single crowns for a patient with weakened abutment teeth. The patient exhibited nocturnal bruxism and clenching but refused to use an occlusal appliance. The abutment teeth were endodontically treated and presented with loss of tooth structure and thin axial walls. The patient was seeking a metal-free restoration, and all-ceramic restorations were contraindicated because of the potential for abrasion of the opposing teeth and direct force transmission to the weak abutment teeth...
September 2017: General Dentistry
https://www.readbyqxmd.com/read/28829932/amelogenesis-imperfecta-case-study
#20
C Leevailoj, S Lawanrattanakul, K Mahatumarat
Amelogenesis imperfecta (AI) refers to a group of rare genetic disorders that involve tooth development and that are passed down through families as a dominant trait. This condition is characterized by abnormal enamel formation caused by gene mutations that alter the quality and/or quantity of enamel. This dental problem can impact both primary and permanent dentition, varies among affected individuals, and results in esthetic and functional problems. This condition caused the patient in the current case report to have a lack of confidence when speaking...
September 2017: Operative Dentistry
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