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Journal of Esthetic and Restorative Dentistry

Edwin Ruales-Carrera, Paulo F Cesar, Bruno Henriques, Márcio C Fredel, Mutlu Özcan, Claudia A M Volpato
OBJECTIVE: Evaluate the adhesive behavior of conventional and high-translucent zirconia after surface conditioning and hydrothermal aging. MATERIALS AND METHODS: Conventional (ZrC) and high-translucent zirconia (ZrT) specimens were divided into six groups: without surface treatment (ZrC and ZrT), air-borne particle abrasion with 50-μm Al2 O3 sized particles (ZrC-AO and ZrT-AO), and tribochemical treatment with 30-μm silica modified Al2 O3 sized particles (ZrC-T and ZrT-T)...
May 17, 2019: Journal of Esthetic and Restorative Dentistry
Paulo F Mesquita De Carvalho, Julio C Joly, Robert Carvalho Da Silva, Oscar González-Martín
OBJECTIVE: Esthetic complications in implant therapy today represent a clinical challenge, when the aim is to overcome the sequelae and obtain a pleasing result. The current scientific literature about this topic is scarce and often based on case reports and the personal opinions of clinicians. CLINICAL CONSIDERATIONS: The aim of this article is to introduce a decision tree for diagnosis and treatment of complications, focusing on the pink esthetic of single-tooth implants and based on three diagnostic pillars (3D implant position, peri-implant hard-tissue anatomy, and peri-implant soft-tissue anatomy)...
May 16, 2019: Journal of Esthetic and Restorative Dentistry
Natalie Pereira Sanchez, John M Powers, Rade D Paravina
OBJECTIVE: To evaluate the instrumental and visual color adjustment potential (CAP-I, CAP-V), of resin composites. METHODS: Resin composites tested were Omnichroma, Filtek Supreme Ultra, TPH Spectra, Herculite Ultra, and Tetric EvoCeram. Two types of specimens, "dual" and "single" were evaluated. For dual specimens, class I preparations (4 mm-diameter, 2 mm-depth), were created in denture teeth and restored with test resin composites. For single specimens, replications of denture teeth were created using the test resin composites (n = 5) and compared with unrestored denture teeth...
May 16, 2019: Journal of Esthetic and Restorative Dentistry
Volkan Şahin, Hilal Gülgezen Aydın, Alim Akyel, Bülent C Uludağ
OBJECTIVE: The color of all-ceramic restorations is one of the main criteria to achieve esthetical success. Many factors such as ceramic thickness, condensation techniques, firing temperature, and numbers can affect the final color of restoration. The purpose of this study was to investigate the color changes in alumina-based ceramic system according to ceramic shade and thickness during the multiple firings. MATERIALS AND METHODS: Sixty disc-shaped specimens with two different veneering porcelain shades (A1 or A3), and with three different ceramic thicknesses (0...
May 16, 2019: Journal of Esthetic and Restorative Dentistry
Wiam El Ghoul, Mutlu Özcan, Munir Silwadi, Ziad Salameh
OBJECTIVES: The purpose of this in vitro study was to evaluate the fracture resistance and failure modes of endocrowns made of three computer-aided design/computer-aided manufacturing (CAD/CAM) materials subjected to thermo-mechanical cycling loading. MATERIALS AND METHODS: Eighty mandibular molars were divided into four groups (n = 20): one (C E) was restored with lithium disilicate glass-ceramic conventional crowns, three were restored with endocrowns made of three different CAD/CAM materials; (E E) lithium disilicate glass-ceramic, (E V) zirconia-reinforced lithium silicate glass-ceramic, and (E C) resin nano-ceramic...
May 8, 2019: Journal of Esthetic and Restorative Dentistry
Anthony S Mennito, Zachary P Evans, Jansen Nash, Christopher Bocklet, Abigail Lauer Kelly, Thierry Bacro, Monica Cayouette, Mark Ludlow, Walter G Renne
OBJECTIVES: An impression accuracy study using a cadaver maxilla was performed using both prepared and intact teeth as well as palatal tissue. MATERIALS AND METHODS: Three crown preparations were performed on a cadaver maxilla. Seven different digital impression systems along with polyvinylsiloxane impressions were used to create digital models of the maxilla. Three-dimensional (3D) files of the experimental models were compared to a master model. The 3D files were overlaid and analyzed using a comparison software to create color coded figures that were measured for deviations between the master and experimental models...
May 6, 2019: Journal of Esthetic and Restorative Dentistry
George Priest
OBJECTIVE: Clinicians are faced with three common treatment options for the high frequency of missing or lost maxillary lateral incisors; canine substitution, a resin-bonded fixed dental prosthesis (RBFDP), or a dental implant. A review of current data and guidelines for treatment provide new insight into making the most appropriate selection. OVERVIEW: The incidence of maxillary incisor agenesis and loss is prevalent. Both canine substitution and RBFDPs exhibit esthetic and functional advantages and disadvantages...
April 29, 2019: Journal of Esthetic and Restorative Dentistry
George Priest
OBJECTIVE: This second of a two-part series reviews the single dental implant as the most current treatment alternative for replacement of a missing or lost maxillary lateral incisor. Assessments of dental maturity for implant placement, implant space requirements, surgical and restorative influence on soft tissue profiles, and implant success are reviewed. OVERVIEW: Recent data indicates that implant success rates are high, and esthetics and soft tissue profiles appear to be stable for maxillary lateral incisor implants...
April 29, 2019: Journal of Esthetic and Restorative Dentistry
Amira Kikly, Sabra Jaâfoura, Saida Sahtout
OBJECTIVE: This systematic review investigated the effect of vital laser-activated tooth bleaching regarding efficiency and postoperative sensitivity. The search for articles was conducted on Medline (PubMed) database. The following keywords were used: "Lasers" [Mesh] and "Tooth bleaching" [Mesh]. Using the Boolean operator "AND," the following Boolean equation was formulated: ("Lasers" [MeSH] AND "Tooth bleaching" [MeSH]). MATERIALS AND METHODS: Inclusion criteria were as follow: clinical trials in English or French available in full text...
April 16, 2019: Journal of Esthetic and Restorative Dentistry
Duarte Nuno da Silva Marques, Ricardo Jorge Marques Pinto, Rita Vanessa Aparício Aguiar Alves, Luiz Narciso Baratieri, António Duarte Sola Pereira da Mata, João Manuel Mendez Caramês
OBJECTIVE: Comparison of soft tissue replication between conventional and digital impressions for definitive single unit implant rehabilitation in the esthetic zone. MATERIALS AND METHODS: Six patients were recruited according to inclusion criteria for this cross-over pilot study and submitted to a conventional silicone implant impression with customized coping and a digital impression with an intraoral scanner. Stereolithography files obtained from the same patient were superimposed with appropriate software and trueness evaluated between methods at predetermined locations (56 in hard and soft tissues and 18 in the emergence profile, per patient)...
April 15, 2019: Journal of Esthetic and Restorative Dentistry
Alexandra Czigola, Emese Abram, Zoltan I Kovacs, Krisztina Marton, Peter Hermann, Judit Borbely
OBJECTIVE: The aim of this in vitro study was to evaluate the effects of substrate colors, different levels of ceramic thickness and translucency, and cement shades on the color difference from a reference color of lithium-disilicate crowns. MATERIALS AND METHODS: A premolar tooth preparation was made on a study model for 1.0 and 1.5 mm thick full-ceramic crowns. Digital impressions were taken (3Shape TRIOS) and crowns designed in a CAD program (DentalDesigner)...
April 8, 2019: Journal of Esthetic and Restorative Dentistry
Juan Zufía, Gonzalo Blasi, Ramón Gómez-Meda, Alvaro Blasi
OBJECTIVE: Successful immediate implant placement in the maxillary anterior zone continues to be a challenge. There is an uncertainty on whether it should be performed on patients with thin gingival phenotype or incomplete buccal plate. This clinical case report describes a novel technique for immediate implant placement with simultaneous hard and soft tissue augmentation. CLINICAL CONSIDERATIONS: This technique employs a combined epithelialized-subepithelialized connective tissue graft and cortical-cancellous autogenous bone graft for the treatment of incomplete buccal plate at an extraction site...
April 4, 2019: Journal of Esthetic and Restorative Dentistry
Luis G D Garbelotto, Karen A Fukushima, Mutlu Özcan, Paulo F Cesar, Claudia A M Volpato
OBJECTIVE: This article presents a retrospective analysis of an anterior single crown that showed chipping of the veneering ceramic, the clinical stages of intraoral repair made in composite resin, and fractographic analysis of the causes of failure. CLINICAL CONSIDERATIONS: The ceramic chipping occurred in the incisal and labial surfaces of the crown, 1 year after installation. Clinical examination revealed the presence of occlusal interference, which was probably responsible for chipping...
March 25, 2019: Journal of Esthetic and Restorative Dentistry
Felipe Tarosso Rea, Ana Carolina Cabral Roque, Ana Paula Macedo, Rossana Pereira de Almeida
OBJECTIVE: This study evaluated the influence of carbamide peroxide, 10% and 16%, on the surface roughness and gloss of a pressable ceramic. MATERIALS AND METHODS: Carbamide peroxide (10% or 16%) was applied for 4 hours or 3 hours per day for 14 days, respectively, in pressable ceramic discs (14 mm × 2 mm). Specimens were stored in distilled water at 37°C. Surface roughness and gloss were determined before carbamide peroxide application (T0 ), 7 days (T7 ) and 14 days (T14 ) after the initial treatment...
March 24, 2019: Journal of Esthetic and Restorative Dentistry
Enas T Enan, Neven S Aref, Shaza M Hammad
OBJECTIVE: To investigate the ability of resin infiltration to protect demineralized enamel against acidic challenge. MATERIALS AND METHODS: Forty-five extracted healthy premolars were selected for the study, each of which was sectioned vertically into 2 halves, giving 90 specimens. Specimens were then divided into three groups, where specimens of group A were not decalcified (control), while those of groups B and C were either subjected to decalcification only, or decalcification followed by Icon resin infiltration, respectively...
March 20, 2019: Journal of Esthetic and Restorative Dentistry
Rade D Paravina, Maria M Pérez, Razvan Ghinea
OBJECTIVE: The objective was to provide a literature review on perceptibility and acceptability thresholds in dentistry and corresponding recommendations. OVERVIEW: A literature review on visual thresholds included findings on the judgments of the color and appearance of tooth-, gingiva- and skin-colored restorative dental materials. Discrepancies in study design contributed to inconsistencies in the research findings of some studies. These differences are related to (a) number of observers and inclusion criteria, (b) specimen number and size, (c) color measurement instrument and the setup and formulas used, (d) psychophysical experiment, (e) data processing (fitting method), and (f) % perceptibility or % acceptability values...
March 20, 2019: Journal of Esthetic and Restorative Dentistry
Dubravka Knezović Zlatarić, Maja Žagar, Davor Illeš
OBJECTIVE: The purpose of this randomized clinical trial was to assess the efficacy of color change in combined in-office/at-home whitening. MATERIALS AND METHODS: Thirty participants were randomly divided into two groups: 15 received combined treatment in-office whitening (6% hydrogen peroxide + 2 weeks at-home whitening with 16% carbamide peroxide [CP]); 15 were assigned to control group. Instrumental color measurements were obtained before whitening (t0 ), immediately after in-office whitening (tin-office ), after 1 week of active treatments (t1 ), and at the completion of the whitening treatment (t2 )...
March 12, 2019: Journal of Esthetic and Restorative Dentistry
Luis G Ladino, Diego Rosselli
OBJECTIVE: The aim of this article is to describe the use of natural anterior teeth as a surgical guide to implant placement and provisional restoration for a young patient with root resorption of upper central incisors and left-lateral incisor. CLINICAL CONSIDERATIONS: Achieving soft tissue esthetics is quite a challenge in implant dentistry. Here, a case of immediate implant placement using the natural teeth of the patient as an immediate provisional restoration, which achieves satisfactory results in terms of soft tissue architecture...
March 12, 2019: Journal of Esthetic and Restorative Dentistry
Marta Revilla-León, Joshua Fountain, Wenceslao Piedra Cascón, Mutlu Özcan, Amirali Zandinejad
OBJECTIVE: The present article describes the digital workflow protocol for additive manufacturing (AM) of a clear silicone index to be used for an injected provisional restoration fabrication. CLINICAL CONSIDERATIONS: The incorporation of CAD software and AM technologies have allowed the integration of a new way to fabricate conventional diagnostic wax-ups and silicone indexes for preparing diagnostic mock ups, direct composite restorations, or provisional restorations...
March 4, 2019: Journal of Esthetic and Restorative Dentistry
Rafael Sarkis-Onofre, Tatiana Pereira-Cenci, Andrea C Tricco, Flávio Fernando Demarco, David Moher, Maximiliano Sérgio Cenci
OBJECTIVE: This article aims to discuss key aspects of systematic reviews (SR) focusing on the improvement of the conduct and reporting. METHODS: Important aspects of SRs, such as prospective registration of the review protocol, basic structure, inclusion criteria, use of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Statement, confidence in the results and future directions are discussed. To determine relevant aspects, a search was conducted without date limitations in PubMed (October 15th, 2017) to identify SRs written in English evaluating clinical performance of direct composite resin restoration in permanent posterior teeth or comparing direct composite resin with other material/techniques...
March 1, 2019: Journal of Esthetic and Restorative Dentistry
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