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Journal of Esthetic and Restorative Dentistry

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https://www.readbyqxmd.com/read/27792268/in-office-bleaching-during-orthodontic-treatment
#1
Mauricio Neves Gomes, Hélio Dutra, Alexandre Morais, Ricardo Sgura, André Guaraci Devito-Moraes
OBJECTIVE: To demonstrate that it is possible to pursue teeth whitening treatment protocols during orthodontic treatment with no esthetic loss. CLINICAL CONSIDERATIONS: Many patients undergoing orthodontic treatment desire to have a straight and well aligned dentition, but also whiter teeth. For many years, it was believed that carrying out a whitening treatment with positioned orthodontic brackets in place would result in localized spots on the enamel labial surfaces of teeth...
October 28, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27767256/digital-evaluation-of-three-splinting-materials-used-to-fabricate-verification-jigs-for-full-arch-implant-prostheses-a-comparative-study
#2
Panos Papaspyridakos, Yong-Jeong Kim, Matthew Finkelman, Khaled El-Rafie, Hans-Peter Weber
PURPOSE: The primary aim of this study was to assess the accuracy of different splinting materials to make implant cast verification jigs. The secondary aim was to assess the effect of 20° implant angulation on the accuracy of casts. MATERIALS AND METHODS: An edentulous mandibular arch with five internal connection tissue level implants served as control. The three implants in the anterior region were parallel to each other and the two implants in the posterior region were distally tilted 20° bilaterally...
October 21, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27767236/morphological-simulation-of-different-incisal-embrasures-perception-of-laypersons-orthodontic-patients-general-dentists-and-orthodontists
#3
Maria Eduarda Assad Duarte, Ricardo Martins Machado, Andrea Fonseca Jardim da Motta, José Nelson Mucha, Alexandre Trindade Motta
OBJECTIVE: This study aimed to evaluate how different forms of incisal embrasures influence the esthetic perception of the smile, the preferences of each group of evaluators, and the influence of gingival display. MATERIAL AND METHODS: Two photographs of a broad male and female smiles were digitally manipulated to remove imperfections and asymmetries. A second manipulation was performed on the four maxillary incisors, creating 3 different forms of incisal embrasures: rounded, semi-rounded and squared...
October 21, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27699958/effects-of-additional-acid-etching-on-the-dentin-bond-strengths-of-one-step-self-etch-adhesives-applied-to-primary-teeth
#4
Yuhyun Kim, Shin Kim, Taesung Jeong, Sung-Ae Son, Jiyeon Kim
OBJECTIVES: The aim of this study was to evaluate the bond strengths of one-step self-etch adhesives applied to primary tooth dentin with and without additional acid etching. MATERIALS AND METHODS: In total, 154 specimens were prepared using 50 naturally exfoliated primary molars. Four commercial one-step self-etch adhesives were used in this study: Scotchbond™ Universal, All-Bond Universal™, Adper™ Prompt™ L-Pop™, and Clearfil S3 Bond™. Two etch-and-rinse adhesives, Prime & Bond® NT™ and Scotchbond™ Multi-Purpose, served as controls...
October 4, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27680508/micro-ct-evaluation-of-ceramic-inlays-comparison-of-the-marginal-and-internal-fit-of-five-and-three-axis-cam-systems-with-a-heat-press-technique
#5
Norah K Alajaji, David Bardwell, Matthew Finkelman, Ala Ali
OBJECTIVES: To evaluate the marginal and internal adaptation of CAD/CAM lithium-disilicate inlay restorations fabricated by two milling systems (Five and Three-axis), and a traditional heat-press technique. METHODS: Fifteen premolar teeth with an MOD cavity preparation were fabricated. Lithium-disilicate inlay restorations were obtained by three fabrication techniques and fitted to their dies (n = 15/gp) as follows: Group-1, three-axis milling system, Group-2, five-axis milling system, Group-3, conventional heat-press technique...
September 29, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27679981/short-term-prospective-clinical-evaluation-of-monolithic-and-partially-veneered-zirconia-single-crowns
#6
Wolfgang Bömicke, Peter Rammelsberg, Thomas Stober, Marc Schmitter
OBJECTIVES: The purpose of this study was to prospectively evaluate the short-term clinical performance and esthetics of monolithic and partially (i.e., facially) veneered zirconia single crowns (MZC and PZC, respectively). METHODS: Between September 2011 and June 2013, 68 participants received 90 MZCs and 72 PZCs. Clinical study documentation was performed at crown cementation (baseline), at the 6-month follow-up, and then yearly thereafter using standardized report forms...
September 29, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27673748/immediate-implant-placement-of-a-single-central-incisor-using-a-cad-cam-crown-root-form-technique-provisional-to-final-restoration
#7
Dean Vafiadis, Gary Goldstein, David Garber, Anthony Lambrakos, Bj Kowalski
OBJECTIVE: Preserving soft and hard tissues after extraction and implant placement is crucial for anterior esthetics. This technique will show how the information gathered from a cone-beam computed tomography (CBCT) scan of the maxillary left central incisor and an intra-oral digital impression can be merged to fabricate a CAD/CAM crown-root matrix to be used as an immediate provisional restoration that mimics the natural anatomy. CLINICAL CONSIDERATIONS: Due to trauma, a left central incisor appeared to be fractured and was scheduled for extraction and implant placement...
September 27, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27637379/a-comparison-of-the-discoloration-potential-for-endosequence-bioceramic-root-repair-material-fast-set-putty-and-proroot-mta-in-human-teeth-an-in-vitro-study
#8
S Alsubait, S Al-Haidar, N Al-Sharyan
OBJECTIVE: To compare the discoloration potential of Endosequence Bioceramic Root Repair Material fast set putty (ERRMF) and ProRoot MTA (PMTA) when placed coronally in human extracted teeth over a 4-month period. METHODOLOGY: Forty-eight premolars were sectioned 2 mm below the cementoenamel junction. The pulp chambers were cleaned chemo-mechanically. The specimens were randomly assigned to three groups: PMTA, ERRMF, and no fill (control). Tooth color was measured spectrophotometrically at six time points: after material placement, after 2, 4, 8, 12, and 16 weeks...
September 17, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27622771/appearance-differences-between-lots-and-brands-of-similar-shade-designations-of-dental-composite-resins
#9
Melody N Carney, William M Johnston
OBJECTIVES: The purposes of this study were to investigate differences in two inherent appearance characteristics between lots of an enamel dental composite resin of the same shade and brand, and to further compare these differences to those of similar shade designation of a different brand of dental composite resins. METHODS: Appearance analyses proceeded for three different lots of shades A1, B2, and D3 manufactured by one company and for one lot of shade EA1 manufactured by another...
September 13, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27612323/microleakage-around-class-v-composite-restorations-after-ultrasonic-scaling-and-sonic-toothbrushing-around-their-margin
#10
Ronald E Goldstein, Suruchi Lamba, Nathaniel C Lawson, Preston Beck, Robert A Oster, John O Burgess
OBJECTIVES: To measure microleakage around class V composite restorations after piezoelectric ultrasonic scaling and sonic toothbrushing. METHODS: 3 mm × 2 mm × 1.5 mm boxes were prepared on buccal and lingual surfaces of extracted molars centered on the cementum-enamel junction. Half the preparations were beveled (0.5 mm). Preparations were restored with composite and polished. Restorations on one side of the teeth were either traced with an ultrasonic scaler (60 seconds, n = 16) or brushed in a sonic toothbrushing machine (2 hours, n = 16)...
September 9, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27599875/influence-of-bleaching-agents-on-color-and-translucency-of-aged-resin-composites
#11
Maristela Lago, Lisandra R Mozzaquatro, Camila Rodrigues, Marina R Kaizer, André Mallmann, Letícia B Jacques
OBJECTIVES: Evaluate the influence of two bleaching agents (16% carbamide peroxide-CP and 35% hydrogen peroxide-HP) on color and translucency of one resin composite (Filtek Z350 XT) in two opacities (enamel and dentin) previously aged in deionized water or red wine. METHODS: Sixty specimens of each material were divided in two groups (n = 30): aged in water or red wine for 14 days. Then the specimens were divided in three subgroups (n = 10): control/no treatment, treated with 16% carbamide peroxide (Mix Night), treated with 35% hydrogen peroxide (Mix One)...
September 6, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27596715/fracture-resistance-of-premolars-restored-either-with-short-fiber-or-polyethylene-woven-fiber-reinforced-composite
#12
Mügem Asli Gürel, Bağdagül Helvacioğlu Kivanç, Adil Ekıcı, Tayfun Alaçam
OBJECTIVE: To compare the fracture resistance of endodontically treated maxillary premolars with one remaining cavity wall restored either with short fiber-reinforced composite or polyethylene woven fiber-reinforced composite. MATERIALS AND METHODS: Forty-eight maxillary premolars were endodontically treated and randomly assigned to four groups (n = 12). Palatal cusp was removed, buccal wall was remained. In groups 1 to 3, standardized cavities were prepared in the palatal canal entrances...
September 6, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27696673/reproducing-optical-properties-of-anterior-teeth-after-ultra-conservative-preparation
#13
Victor Clavijo, Leonardo Bocabella, Luisa Schertel Cassiano, Sillas Duarte
OBJECTIVE: Selecting the appropriate material is essential when restoring color and appearance of esthetically compromised anterior teeth. CLINICAL CONSIDERATIONS: Most of the conventional restorative techniques require tooth reduction in order to mimic optical properties of a natural tooth. Fortunately, bonding techniques associated with improvements on dental ceramics esthetics allow for highly conservative treatment options in which maximum preservation of dental tissues can be attained...
September 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27534729/the-implementation-of-elaborative-feedback-for-qualitative-improvement-of-shade-matching-a-randomized-study
#14
Constanze Olms, Holger A Jakstat, Rainer Haak
OBJECTIVES: The objective of this prospective learning research study is to examine the impact of structured elaborative feedback in practical skills teaching of visual and digital shade matching. MATERIALS AND METHODS: A total of 60 preclinical dental students participated in the study. The mean average age was 23 years, of which 37 were female (61.7%) and 23 male (38.3%). The participants were randomly divided into a study and control group (n = 30 each). Recording of shade matching was carried out on the phantom patient using clinically simulated settings with elaborative feedback in the study group (T1)...
September 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27531753/influence-of-accelerated-aging-on-the-color-stability-of-dental-zirconia
#15
Cláudıa Ângela Mazıero Volpato, Paulo Francısco Cesar, Marco Antônıo Bottıno
OBJECTIVE: This study evaluated the influence of different aging times on the color stability of zirconia that is either veneered or not by ceramic. MATERIALS AND METHODS: Fifteen zirconia disks (3Y-TZP) were produced (12.0 mm in diameter and 1.0 mm-thick). Five disks (G1) did not receive veneering ceramic layer; 5 disks (G2) were veneered with 1.0 mm a ceramic layer and the other 5 disks (G3) were veneered with layer of 1.5 mm. The L*a*b* coordinates (T1) were measured with a spectrophotometer...
September 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27530080/evaluating-a-cobalt-tetraphenylporphyrin-complex-functionalized-with-a-reduced-graphene-oxide-nanocomposite-for-improved-tooth-whitening
#16
I-Hsuan Su, Chen-Fu Lee, Yu-Pin Su, Lai-Hao Wang
OBJECTIVES: To study using cobalt-tetraphenylporphyrin/reduced graphene oxide (CoTPP/RGO), a nanocomposite highly catalytic both for oxidizing and for reducing hydrogen peroxide (H2 O2 ), to whiten teeth. METHODS: Dyes (D&C Red 34, Orange No. 4), tea, and betel nuts (Areca catechu) were used to stain the tooth specimens for three days and subsequently bleached using H2 O2 alone, H2 O2 plus CoTPP, or H2 O2 plus CoTPP/RGO for 0.5-70 hours. The process was photographed using an electronic chromometer and a camera...
September 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27513289/the-effect-of-delivery-system-and-light-activation-on-tooth-whitening-efficacy-and-hydrogen-peroxide-penetration
#17
Soyoung Park, So Ran Kwon, Fang Qian, Philip W Wertz
PURPOSE: To evaluate the whitening efficacy of a new two-layer technology in-office system compared to a conventional gel-type system and determine hydrogen peroxide penetration (HPP) into the pulp cavity. MATERIALS AND METHODS: Extracted molars (n = 60) were assigned to group NC: glycerol gel; group QPRO: 20% HP varnish (Zoom Quick Pro, Philips Oral Healthcare); group ZOOM_NL: 25% HP gel (Zoom Chairside Whitening); and group ZOOM_WL: 25% HP gel (Zoom Chairside Whitening) with light-activation...
September 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27439759/changes-of-color-and-fluorescence-of-resin-composites-immersed-in-beer
#18
Milica Antonov, Lea Lenhardt, Dragica Manojlović, Bojana Milićević, Ivana Zeković, Miroslav D Dramićanin
OBJECTIVE: The aim of this study was to evaluate changes of color and fluorescence of resin based composite exposed to beer. MATERIALS AND METHODS: 84 samples (13 mm in diameter and 1.5 mm thick) of microhybrid composite Gradia Direct(TM) extra bleach white were immersed in 5 different beers (dark and light) or distilled water. Color and fluorescence were measured prior and after 1-, 7-, and 14-day immersion by Spectrophotometer Thermo Evolution 600 and Fluorolog-3-221 spectrofluorometer...
September 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27562053/fracture-behavior-of-minimally-invasive-posterior-and-fixed-dental-prostheses-manufactured-from-monolithic-zirconia
#19
Wolfgang Bömicke, Stefan Rues, Verena Hlavacek, Peter Rammelsberg, Marc Schmitter
OBJECTIVES: To compare ultimate fracture load (Fu ), load at first damage (F1d ), and fracture pattern for posterior fixed dental prostheses (FDPs) manufactured from translucent, yttria-stabilized zirconia polycrystal. METHODS: Premolar-size FDPs in 4 test groups (n = 16/group) were constructed as veneered complete crown-retained (group 1), monolithic complete crown-retained (group 2), monolithic partial veneer crown-retained (group 3), or monolithic resin-bonded (group 4) prostheses with minimum zirconia wall thickness (0...
August 26, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27491509/multidisciplinary-treatment-of-severe-upper-incisor-root-resorption-secondary-to-transposed-canine
#20
Yasemin Nur Korkmaz, Filiz Yagci
OBJECTIVE: Tooth transposition is a rare dental anomaly that could lead to undesirable side effects on other teeth. This case report aims to describe the multidisciplinary treatment of a patient with a severely resorbed permanent maxillary central incisor due to transposition with the permanent canine. CLINICAL CONSIDERATIONS: A girl aged 13 years and 7 months with a chief complaint of a pink spot on her maxillary left incisor with a slightly erupted tooth above it was referred to our clinic...
August 5, 2016: Journal of Esthetic and Restorative Dentistry
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