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Journal of Esthetic and Restorative Dentistry

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https://www.readbyqxmd.com/read/28929603/injectable-technique-for-direct-provisional-restoration
#1
Alvaro Blasi, Talal Alnassar, Gerard Chiche
OBJECTIVE: New technique describes an alternative treatment modality of making direct provisional restoration. CLINICAL CONSIDERATIONS: A preoperative wax-up should be fabricated, followed by fabrication of a transparent polyvinyl siloxane (VPS) matrix in a clear plastic prefabricated tray with retentive holes. After the tray is separated from the model, two additional holes will be made through the tray and the VPS for injecting and venting of the temporary resin...
September 20, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28925550/contemporary-concepts-in-carious-tissue-removal-a-review
#2
REVIEW
Falk Schwendicke
OBJECTIVES: Based on a changed understanding of the disease caries and its pathogenesis, strategies for carious tissue removal have changed, too. This review aims to summarize these changes and to provide clinical recommendations. OVERVIEW: Removing all carious dentin from a cavity is not needed any longer to manage caries or the carious lesion. Instead, the carious lesion should be treated in a way allowing to arrest its activity, while preserving sound tooth tissue and pulp vitality...
September 19, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28925546/multidisciplinary-full-mouth-rehabilitation-with-soft-tissue-regeneration-in-the-esthetic-zone
#3
Anja Liebermann, Stefan Frei, Madalena Lucia Pinheiro Dias Engler, Otto Zuhr, Otto Prandtner, Daniel Edelhoff, Reza Saeidi Pour
OBJECTIVE: Oral rehabilitation often requires a multidisciplinary approach including restorative dentistry, prosthodontics, and periodontology to fulfill high esthetic and functional demands, frequently combined with changes in the vertical dimension. The presence of gingival recessions can be associated with numerous factors, such as brushing or preparation trauma and persistent inflammation of the gingiva due to inadequate marginal fit of restorations. Because gingival recessions can cause major esthetic and functional problems, obtaining stability of the gingival tissue around prosthetic restorations is of essential concern...
September 19, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28901687/treatment-of-multiple-maxillary-adjacent-class-i-and-ii-gingival-recessions-with-modified-coronally-advanced-tunnel-and-a-new-xenogeneic-acellular-dermal-matrix
#4
Séverine Vincent-Bugnas, Gwenaël Borie, Yves Charbit
OBJECTIVE: To evaluate the treatment of maxillary Miller Class I and II multiple adjacent gingival recessions using the modified coronally advanced tunnel technique (MCAT) combined with a new porcine acellular dermal matrix (PADM). MATERIALS AND METHODS: Twelve patients exhibiting at least six adjacent maxillary Miller Class I and II gingival recessions were consecutively treated by means of MCAT and a PADM. Recession depth (RD), recession width (RW), probing pocket depth (PD), keratinized tissue height (KT), clinical attachment level (CAL), mean root coverage (RC), and complete root coverage (CRC) were recorded...
September 13, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28891600/the-effect-of-milling-and-postmilling-procedures-on-the-surface-roughness-of-cad-cam-materials
#5
Eduardo Gonçalves Mota, Laura Nunes Smidt, Lisiane Martins Fracasso, Luiz Henrique Burnett, Ana Maria Spohr
PURPOSE: The aim of this study was to evaluate the surface roughness and analyze the surface topography of five different CAD/CAM ceramics and one CAD/CAM composite resin for CEREC after milling and postmilling procedures. MATERIALS AND METHODS: Blocks of the ceramics Mark II, IPS Empress CAD, IPS e.max CAD, Suprinity and Enamic, and blocks of the composite resin Lava Ultimate were milled at CEREC MCXL. Ten flat samples of each material were obtained. The surface roughness (Ra) test was performed before and after milling, crystallization, polishing, and glaze when indicated, followed by SEM and AFM analysis...
September 11, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28891594/effect-of-telescopic-distal-extension-removable-partial-dentures-on-oral-health-related-quality-of-life-and-maximum-bite-force-a-preliminary-cross-over-study
#6
Moustafa Abdou Elsyad, Aisha Zakaria Mostafa
OBJECTIVES: This cross over study aimed to evaluate the effect of telescopic distal extension removable partial dentures on oral health related quality of life and maximum bite force MATERIALS AND METHODS: Twenty patients with complete maxillary edentulism and partially edentulous mandibles with anterior teeth only remaining were selected for this cross over study. All patients received complete maxillary dentures and mandibular partial removable dental prosthesis (PRDP, control). After 3 months of adaptation, PRDP was replaced with conventional telescopic partial dentures (TPD) or telescopic partial dentures with cantilevered extensions (TCPD) in a quasi-random method...
September 11, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28858425/an-esthetic-evaluation-of-unilateral-canine-substitution-for-a-missing-maxillary-lateral-incisor
#7
Laurent A M Thierens, Bavo Verhoeven, Liesbeth Temmerman, Guy A M De Pauw
OBJECTIVES: The aim of this study is to determine whether variation in size, morphology, and color of a unilateral substituted maxillary canine has influence on the dentogingival attractiveness perceived by dental professionals and laypeople. MATERIALS AND METHODS: A frontal clinical photograph of a patient with unilateral canine substitution was used as standard picture. Five different series were created by modification of following parameters with a raster graphics editor (Photoshop CS 6): (1) width, (2) color, (3) gingival margin height, and (4) crown tip morphology of the substituted canine and (5) the gingival margin height of the neighboring first premolar...
August 31, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28858418/effect-of-access-design-on-intracoronal-bleaching-of-endodontically-treated-teeth-an-ex-vivo-study
#8
Melissa Andreia Marchesan, Christopher Michael James, Adam Lloyd, Brian Ray Morrow, Franklin García-Godoy
OBJECTIVES: To determine the effect of access design on intracoronal bleaching with 35% carbamide peroxide on discolored teeth. MATERIALS AND METHODS: Forty-two intact maxillary central incisors were selected, sectioned and artificially stained using whole blood. Color measurements were performed with a spectrophotometer: before staining (T1), after staining (T2), at 7 (T3), and 14 (T4) days postbleaching. After T1, specimens were stratified and divided randomly into two groups according to access design (N = 20): G1: contracted endodontic cavity (CEC) access performed with a #848-010M bur and G2: traditional endodontic cavity (TEC) access done with a #1157 bur...
August 31, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28858417/changes-of-tooth-color-in-middle-and-old-age-a-longitudinal-study-over-a-decade
#9
Alexander J Hassel, Marvin Johanning, Sabine Grill, Johannes Schröder, Hans-Werner Wahl, Nicoleta Corcodel, Anna-Luisa Klotz, Peter Rammelsberg, Andreas Zenthöfer
OBJECTIVE: To evaluate changes in tooth color for 2 age cohorts (younger cohort, YC: 1950-1952; older cohort, OC: 1930-1932) over a mean observation period of 8 years. MATERIAL AND METHODS: Sixty-one participants with 106 upper central incisors were subjected to baseline and follow-up examinations (YC: n = 46/OC: n = 15). International Commission on Illumination color coordinates of 1 or 2 unrestored test teeth for each participant were recorded by use of a spectrophotometer (VITA Easyshade 1) during both measurement times...
August 31, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28792115/digital-workflow-in-full-arch-implant-rehabilitation-with-segmented-minimally-veneered-monolithic-zirconia-fixed-dental-prostheses-2-year-clinical-follow-up
#10
Panos Papaspyridakos, Kiho Kang, Catherine DeFuria, Sarah Amin, Yukio Kudara, Hans-Peter Weber
OBJECTIVE: To illustrate a digital workflow in full-arch implant rehabilitation with minimally veneered monolithic zirconia and to report the outcomes including technical complications. CLINICAL CONSIDERATIONS: Three patients (5 edentulous arches) received full-arch fixed implant rehabilitation with monolithic zirconia and mild facial porcelain veneering involving a digital workflow. The incisal edges and occluding surface areas were milled out of monolithic zirconia to reduce the possibility of chipping...
August 9, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28742283/reliability-of-visual-and-instrumental-color-matching
#11
Christopher Igiel, Karl Martin Lehmann, Razvan Ghinea, Michael Weyhrauch, Ysbrand Hangx, Herbert Scheller, Rade D Paravina
OBJECTIVE: The aim of this investigation was to evaluate intra-rater and inter-rater reliability of visual and instrumental shade matching. MATERIALS AND METHODS: Forty individuals with normal color perception participated in this study. The right maxillary central incisor of a teaching model was prepared and restored with 10 feldspathic all-ceramic crowns of different shades. A shade matching session consisted of the observer (rater) visually selecting the best match by using VITA classical A1-D4 (VC) and VITA Toothguide 3D Master (3D) shade guides and the VITA Easyshade Advance intraoral spectrophotometer (ES) to obtain both VC and 3D matches...
July 25, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28737281/in-situ-evaluation-of-color-stability-and-hardness-decrease-of-resin-based-composites
#12
Juliana Silva Ribeiro, Sonia Luque Peralta, Vinícius Esteves Salgado, Rafael Guerra Lund
OBJECTIVE: To determine the color stability (CS) and hardness' decrease (HD) of two commercial resin-based composites (RBCs), after in situ staining conditions (SC). METHODS: Six disc-shaped specimens (6 × 2 mm) of two RBCs-Filtek Z350 XT (FZX) and IPS Empress Direct (IED)-were randomly distributed into palatal devices. Eight volunteers (aged 20-30 years) participated in this study. The in situ SC consisted of 400 mL consumption (2 × 200 mL/day) of water, orange juice, cola soda, and coffee and 140 mL consumption of red wine, 10 days each...
July 24, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28734081/whitening-dependent-changes-of-fluorescence-of-extracted-human-teeth
#13
Natalie Pereira Sanchez, Aleksandar Aleksic, Miroslav Dramicanin, Rade D Paravina
OBJECTIVE: To evaluate in vitro the fluorescence properties of extracted human teeth whitened with 40% hydrogen peroxide. MATERIALS AND METHODS: A total of 28 extracted human teeth were pumiced for 1 minute using a low-speed dental handpiece and a disposable rubber cup. Pre-whitening fluorescence measurements (T0), maximum excitation (Exmax ), maximum emission (Emmax ), and maximum intensity (Imax 10(8) ), were performed using a spectrofluorometer. After T0 measurements, the teeth were whitened using the in-office method with 40% hydrogen peroxide, three times for 20 minutes...
July 22, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28734061/evaluation-of-a-technique-for-color-correction-in-restoring-anterior-teeth
#14
Gabrielle Branco Rauber, Jussara Karina Bernardon, Luiz Clovis Cardoso Vieira, Luiz Narciso Baratieri
OBJECTIVE: This study aimed to evaluate the ability of the proposed technique in producing restorations that exhibit mimesis with tooth structure and to define a restorative clinical protocol. MATERIALS AND METHODS: For this study a typodont was used. The right upper central incisor with Class IV lesion was restored with the layering technique (reference tooth, RT). For the left upper central incisor with Class IV lesion, six teeth were restored monochromatically (test teeth, TT), using DA3...
July 22, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28712152/teeth-bleaching-with-low-concentrations-of-hydrogen-peroxide-6-and-catalyzed-by-led-blue-450%C3%A2-%C3%A2-%C3%A2-10-nm-and-laser-infrared-808%C3%A2-%C3%A2-%C3%A2-10-nm-light-for-in-office-treatment-randomized-clinical-trial-1-year-follow-up
#15
Patricio Vildósola, Jessica Bottner, Francisca Avalos, Isidora Godoy, Javier Martín, Eduardo Fernández
OBJECTIVES: The aim of this study was to evaluate color longevity after a year of in-office bleaching with gel (6% hydrogen peroxide HP, LED blue/laser infrared activation system) compared to a 35% control concentration in a split-mouth study model. MATERIALS AND METHODS: Thirty-one patients were initially treated. The bleaching procedure with 6% or 35% gel HP was performed randomly in the upper half arcade of each patient. The color was measured at baseline and at 1 week, 1 month, and 1 year using the spectrophotometer Vita Easyshade, Vita Bleached, and Vita classical Shade guide organized by value...
July 16, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28681501/systematic-development-of-esthetics-and-function-in-a-young-patient-with-maxillary-dental-aplasia
#16
D Edelhoff, O Prandtner, R Saeidi Pour, A Wichelhaus, A Liebermann
OBJECTIVES: Full-arch rehabilitations in young patients suffering from dental agenesis should compensate for the reduced vertical dimension of occlusion and restore both esthetics and function at minimal biological cost. This requires precise planning and maximum patient compliance during the preprosthetic phase. The pretreatment period with tooth-colored splints promotes a predictable outcome of the final restorations. Clinical considerations: Thanks to better restorative materials and adhesive techniques and increased knowledge of how to preserve sound tooth structures, prosthetic dentistry has increasingly turned toward minimally invasive procedures...
July 6, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28681488/endodontic-treatment-of-dens-evaginatus-by-performing-a-splint-guided-access-cavity
#17
Jesús Mena-Álvarez, Cristina Rico-Romano, Ana Belén Lobo-Galindo, Álvaro Zubizarreta-Macho
AIM: Dens evaginatus (DE) is described as an unusual dental malformation. Tooth structure variations attached to this anatomical disturbance complicates the performance of a conservative access cavity for a conventional root canal treatment. Author's purpose is to describe the treatment of a type V DE by using splits as guides to perform access cavity. CLINICAL CONSIDERATIONS: This clinical case shows a root canal treatment of a type V DE diagnosed by using a cone beam computed tomography (CBCT)...
July 6, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28654721/comparative-evaluation-of-esthetic-changes-in-nonpitted-fluorosis-stains-when-treated-with-resin-infiltration-in-office-bleaching-and-combination-therapies
#18
Neeraj Gugnani, I K Pandit, Monika Gupta, Shalini Gugnani, Sugandhi Soni, Virender Goyal
OBJECTIVES: Dental fluorosis leads to esthetic deviation and varies from nonpitted white opacities, dark brown stains to pitting or structural breakdown of enamel surface. Treatment for fluorosis depends on the severity of condition and includes both noninvasive methods and invasive methods. Recently resin infiltration has been proposed as an alternative treatment for nonpitted fluorosis. This study was done to evaluate the esthetic changes in nonpitted fluorosis stains when treated with resin infiltration, in-office bleaching and combination therapies...
June 27, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28653808/a-novel-technique-for-reference-point-generation-to-aid-in-intraoral-scan-alignment
#19
Walter G Renne, Zachary P Evans, Anthony Mennito, Mark Ludlow
OBJECTIVE: When using a completely digital workflow on larger prosthetic cases it is often difficult to communicate to the laboratory or chairside Computer Aided Design and Computer Aided Manufacturing system the provisional prosthetic information. The problem arises when common hard tissue data points are limited or non-existent such as in complete arch cases in which the 3D model of the complete arch provisional restorations must be aligned perfectly with the 3D model of the complete arch preparations...
June 27, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28628735/effect-of-shade-opacity-and-layer-thickness-on-light-transmission-through-a-nano-hybrid-dental-composite-during-curing
#20
Hong-Keun Hyun, Carly K Christoferson, Carmem S Pfeifer, Chris Felix, Jack L Ferracane
OBJECTIVE: The aim of this study was to investigate the effect of shade and opacity on the change in light transmission through different thicknesses of a nano-hybrid composite during curing. MATERIALS AND METHODS: Twelve different shades of Venus Diamond (Heraeus Kulzer) were placed in disk shaped molds with thickness of 1, 2, and 3 mm (n = 3 per group) and cured with an LED light-curing unit. Initial, final and average irradiance, and the total amount of energy passing through the specimen were measured using the MARC Resin Calibrator at every 10s for a total of 40s...
June 19, 2017: Journal of Esthetic and Restorative Dentistry
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