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Journal of Esthetic and Restorative Dentistry

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https://www.readbyqxmd.com/read/29920918/influence-of-composite-type-and-light-irradiance-on-color-stability-after-immersion-in-different-beverages
#1
Victória Alberton Da Silva, Simone Alberton Da Silva, Oscar E Pecho, Atais Bacchi
OBJECTIVE: The aim of this study was to evaluate the color stability of two resin-based composites photo-activated by two light curing units (LCU) with different irradiances. MATERIALS AND METHODS: Hundred disc-shaped specimens (2-mm thick) of a nanofilled (FZ- FiltekTM Z350 XT, 3M ESPE) and a microhybrid (ED-Empress® Direct, Ivoclar Vivadent) composites were photo-activated with two LCU: Valo® Cordless, Ultradent (VA-1800 mW/cm2 ) or Radii-cal, SDI (RA-900 mW/cm2 )...
June 19, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29920916/optical-properties-of-contemporary-monolithic-cad-cam-restorative-materials-at-different-thicknesses
#2
Burcu Gunal, M Mutahhar Ulusoy
OBJECTIVE: This study evaluated the optical properties of contemporary monolithic CAD-CAM materials with different chemical compositions. MATERIALS AND METHODS: Totally, 210 rectangular-shaped, A2 shade specimens (12 × 14 mm) were fabricated from VITA Suprinity T, VITA Enamic T, VITA Mark II, GC Cerasmart LT, Lava Ultimate LT, IPS e.max CAD LT and Prettau Anterior blocks and polished to thicknesses of 0.5 ± 0.01 and 1.0 ± 0.01 mm (n = 15 each material)...
June 19, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29920915/treatment-of-a-bilaterally-severely-resorbed-posterior-mandible-due-to-early-tooth-loss-by-guided-bone-regeneration-using-customized-allogeneic-bone-blocks-a-case-report-with-24-months-follow-up-data
#3
Oliver Blume, Michael Back, Teresa Born, Ralf Smeets, Ole Jung, Mike Barbeck
OBJECTIVE: The use of allogeneic bone grafts for alveolar ridge reconstruction has become an often-discussed alternative to augmentation procedures using autografts. Nevertheless, there still is a lack of literature concerning long-time experiences of allografts for alveolar ridge reconstruction. Especially the results of the use of allogeneic bone blocks for mandible reconstructions need to be further investigated. CLINICAL CONSIDERATIONS: In this case report, we present the use of customized allogenic bone blocks in Guided Bone Regeneration (GBR) procedures for severely deficient mandibulary bones, the implantation after a healing period of 5 month and the 24-month follow-up data...
June 19, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29766651/adhesive-silane-application-effects-on-bond-strength-durability-to-a-lithium-disilicate-ceramic
#4
Jose C Romanini-Junior, Rose Y Kumagai, Luiz F Ortega, Jose A Rodrigues, Alessandra Cassoni, Ronaldo Hirata, Andre F Reis
OBJECTIVE: To test the effects of different adhesive protocols and silane application on the adhesive durability to a Lithium Disilicate reinforced glass ceramic. METHODS: Forty disks of 13 mm diameter (E.max Press) were used. After etching with 9.5% HF for 20 seconds, disks were randomly assigned into 4 groups according to the adhesive/silane protocol: silane application only (SIL); silane application followed by adhesive (SILXP-XP Bond); silane-containing adhesive (SBU-ScotchBond Universal); silane application followed by silane-containing adhesive (SILSBU)...
May 15, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29766644/evaluation-of-the-influence-of-implant-placement-timing-on-the-esthetic-outcomes-of-single-tooth-implant-treatment-in-the-anterior-maxilla-a-retrospective-study
#5
Himanshu Arora, Saso Ivanovski
OBJECTIVES: The purpose of this retrospective study was to investigate the influence of implant placement timing on the esthetic outcomes for single implants in the anterior maxilla. MATERIALS AND METHODS: One hundred and ten patients (48 males; 62 females) who received a single-tooth implant after extraction either immediately (Type 1); after 4-8 weeks (Type 2); after 8-16 weeks (Type 3); or more than 16 weeks (Type 4) were evaluated in terms of esthetic outcomes after a mean post-placement interval of 26...
May 15, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29676497/longevity-of-ceramic-onlays-a-systematic-review
#6
REVIEW
Jaafar Abduo, Raelene Jo Sambrook
OBJECTIVE: This systematic review aimed to evaluate the longevity of ceramic onlays and identify the factors that influence their survival. MATERIALS AND METHODS: An electronic search was conducted through PubMed (MEDLINE), Google Scholar and Cochrane Library, up to August 2017. The literature search aimed to retrieve all the clinical studies on the longevity of ceramic onlays. Ceramic onlay was defined as any partial ceramic restoration that covers at least one cusp...
April 20, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29607618/effects-of-adhesive-used-as-modeling-liquid-on-the-stability-of-the-color-and-opacity-of-composites
#7
Fernanda Santos Araujo, Mellany Cristie Ramos Barros, Márcia Luciana Carregosa Santana, Ludmila Smith de Jesus Oliveira, Paula Fernanda Damasceno Silva, Giana da Silveira Lima, André Luis Faria-E-Silva
OBJECTIVE: This study evaluated the effects of adhesive type used as modeling liquid on the stability of the color and opacity of composites submitted to thermal cycling in staining solutions followed by a bleaching procedure. METHODS: Thirty cylinder-shaped composite specimens (10 mm diameter × 1.5 mm thickness) were built using or not using (control) an adhesive (Adper Universal or Scotchbond Multipurpose) as the modeling liquid. After polishing procedures, the color and opacity were measured, and the specimens were submitted to 200 thermal cycles with 10 s of dwell time in baths of grape juice at 5°C, water at 37°C, and coffee at 55°C...
April 1, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29603865/randomized-clinical-study-of-alterations-in-the-color-and-surface-roughness-of-dental-enamel-brushed-with-whitening-toothpaste
#8
Lourenço de Moraes Rego Roselino, Camila Tirapelli, Fernanda de Carvalho Panzeri Pires-de-Souza
OBJECTIVES: This clinical study evaluated the influence of whitening toothpaste on color and surface roughness of dental enamel. MATERIALS AND METHODS: Initially, the abrasiveness of the toothpastes used (Sorriso Dentes Brancos [SDB]; Colgate Luminous White and Close up White Now) was tested on 30 (n = 10) plexiglass acrylic plates that were submitted to mechanical tooth brushing totalizing 29,200 cycles. Subsequently, 30 participants were selected, and received a toothbrush and nonwhitening toothpaste (SDB)...
March 30, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29582585/low-level-laser-therapy-as-an-adjunct-to-connective-tissue-graft-procedure-in-the-treatment-of-gingival-recession-defects-a-systematic-review-and-meta-analysis
#9
REVIEW
Zohaib Akram, Fahim Vohra, Fawad Javed
OBJECTIVE: The aim of this study was to systematically evaluate the effectiveness of low level laser therapy (LLLT) as an adjunct to connective tissue graft (CTG) procedure for the treatment of gingival recession (GR). MATERIALS AND METHODS: The addressed PICO question was; "In patients with Miller Class I or II recession defects (Population), what is the effect of LLLT as adjunct to CTG (Intervention) in comparison to CTG alone (Comparison) on gingival recession depth (Outcome)" Electronic databases were searched up to December 2017...
March 26, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29573132/effects-of-different-etching-modes-on-the-nanoleakage-of-universal-adhesives-a-systematic-review-and-meta-analysis
#10
REVIEW
Kinga Kaczor, Agnieszka Gerula-Szymańska, Tomasz Smektała, Krzysztof Safranow, Katarzyna Lewusz, Alicja Nowicka
PURPOSE: The aim of this systematic review was to evaluate how etching modes affect the nanoleakage of universal adhesive from in vitro studies. MATERIALS AND METHODS: PubMed/MEDLINE, Web of Science, Scopus and Science Direct electronic databases were searched for in vitro studies that evaluated the nanoleakage of universal adhesives. A total of 511 (after duplicate removal) potentially relevant records were identified in the literature search. The titles and abstracts of the retrieved studies were screened by two independent researchers according to the main concept...
March 23, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29520944/novel-treatment-of-in-office-tooth-bleaching-sensitivity-a-randomized-placebo-controlled-clinical-study
#11
Deepak Mehta, S Jyothi, Prashant Moogi, Werner J Finger, Keiichi Sasaki
OBJECTIVES: Aim of this clinical trial was to investigate the effect of a calcium phosphate based desensitizer paste applied prior to in-office tooth whitening on bleaching sensitivity (BS). METHODS: This crossover study was designed as randomized double-blinded, placebo-controlled trial. The desensitizer paste Teethmate AP (TAP) contains tetracalcium phosphate and dicalcium phosphate anhydrous in glycerol and polyethylene glycol, whereas placebo (PLA) is a calcium phosphate free analog...
March 9, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29667787/gingival-shade-guides-colorimetric-and-spectral-modeling
#12
Razvan Ghinea, Luis Javier Herrera, María M Pérez, Ana M Ionescu, Rade D Paravina
OBJECTIVE: To design colorimetric and spectral models of gingival shade guides that adequately represent the color of human gingiva. MATERIALS AND METHODS: A previously compiled database on the spectral reflectance of healthy keratinized gingiva was used for optimization. Coverage Error (CE) and Maximal Error (ME) were optimized using CIELAB and CIEDE2000 color difference formulas. A two-phase process included an FCM algorithm and a nonlinear optimization. A t test was used to compare the performance of the different numbers of clusters/tabs in gingival shade guide models (α = ...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29476599/evaluation-of-the-effect-scan-pattern-has-on-the-trueness-and-precision-of-six-intraoral-digital-impression-systems
#13
Anthony S Mennito, Zachary P Evans, Abigail W Lauer, Ravi B Patel, Mark E Ludlow, Walter G Renne
OBJECTIVE: Clinicians have been slow to adopt digital impression technologies due possibly to perceived technique sensitivities involved in data acquisition. This research has two aims: determine whether scan pattern and sequence affects the accuracy of the three-dimensional (3D) model created from this digital impression and to compare the 5 imaging systems with regards to their scanning accuracy for sextant impressions. MATERIALS AND METHODS: Six digital intraoral impression systems were used to scan a typodont sextant with optical properties similar to natural teeth...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29476587/color-difference-thresholds-for-computer-simulated-human-gingiva
#14
María M Pérez, Razvan Ghinea, Luis Javier Herrera, F Carrillo, Ana M Ionescu, Rade D Paravina
OBJECTIVE: To determine 50:50% perceptibility threshold (PT) and 50:50% acceptability threshold (AT) for computer-simulated samples of human gingiva using CIEDE2000 and CIELAB color difference formulas. MATERIALS AND METHODS: Each of the 60 pairs of simulated human gingiva was displayed on a calibrated monitor, together with three pairs of upper central incisors of different lightness. The color of gingiva left and right from the midline was compared. A total of 30 observers (15 dentists, 15 laypersons) participated in the study...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29411532/a-randomized-clinical-trial-to-evaluate-the-stain-removal-efficacy-of-a-sodium-phytate-dentifrice-formulation
#15
Kimberly R Milleman, Jonathan E Creeth, Gary R Burnett, Jeffery L Milleman
OBJECTIVES: Phytate is an organic, cyclic polyphosphate analogous to linear condensed polyphosphates used as stain removal agents. This study investigated stain removal efficacy of an experimental sodium phytate-containing dentifrice compared to a reference dentifrice. METHODS: An experimental, moderate abrasivity (relative dentine abrasivity [RDA] ∼130) antisensitivity fluoride dentifrice containing sodium phytate (0.85% w/w as the hexasodium salt) (n = 111) was compared to a reference, marketed, low-abrasivity (RDA ∼ 43), anti-sensitivity fluoride dentifrice (n = 113), both containing 1150 ppm fluoride as sodium fluoride...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29392894/effect-of-ph-on-whitening-efficacy-of-35-hydrogen-peroxide-and-enamel-microhardness
#16
Ana Luiza Barbosa Jurema, Mauricio Yugo de Souza, Carlos Rocha Gomes Torres, Alessandra Bühler Borges, Taciana Marco Ferraz Caneppele
OBJECTIVE: This study aimed to evaluate the effect of 35% hydrogen peroxide at different pH values and the degree of tooth staining on whitening efficacy and enamel microhardness. MATERIALS AND METHODS: 90 enamel-dentin specimens were obtained from bovine incisors. They were randomly divided into 2 groups (n = 45), 1 group was immersed in a staining broth for 14 days, and another group was not stained and kept in distilled water at 37°C. Twenty-four hours after the staining procedure, each group was distributed into 3 subgroups that were whitened by 35% hydrogen peroxide with different pH values (5, 7, and 8...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29368382/translucency-and-masking-properties-of-two-ceramic-materials-for-heat-press-technology
#17
Alexandra Șoim, Maria Strîmbu, Alexandru V Burde, Bogdan Culic, Diana Dudea, Cristina Gasparik
OBJECTIVES: To assess the translucency of two pressable ceramics and to analyze their masking property when placed on different tooth-shaded backgrounds. MATERIALS AND METHODS: Thirty discs (1-mm thickness) were fabricated using two pressable ceramics (shade/translucency): 1M1T/HT, 1M2T/HT, 2M2T (VITA PM9), and A1LT/HT, B1LT/HT, A2LT (e.max Press). Color measurements of discs were performed with a dental spectrophotometer on tooth-colored backgrounds (A1/A2/A3/A3...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29341474/effect-of-staining-beverages-on-color-and-translucency-of-cad-cam-composites
#18
S H Q Quek, A U J Yap, V Rosa, K B C Tan, K H Teoh
This study investigated the color (ΔE) and translucency changes (ΔTP) of CAD/CAM composites after exposure to staining solutions using both spectrophotometer and shade-matching device. Direct (Filtek Z350XT [ZT]), indirect (Shofu Ceramage [CE]) and CAD/CAM (Shofu HC Block [HC], Lava Ultimate [LU], Vita Enamic [EN]) composite specimens measuring 12 × 14 × 1.5 mm were fabricated, divided into five groups (n = 8), and immersed in cola, tea, coffee, red wine, distilled water (control) at 37°C for 7 days...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29285855/esthetics-and-smile-related-characteristics-assessed-by-laypersons
#19
Cui Wang, Wen-Jie Hu, Ling-Zhi Liang, Yan-Ling Zhang, Kwok-Hung Chung
PURPOSE: This study aimed to identify the characteristics of full-smile images assessed by laypersons using visual analog scale measurement. MATERIALS AND METHODS: A total of 176 young Chinese subjects (88 males and 88 females; 20-35 years of age) with healthy dentogingival tissue were recruited to have their dynamic smiles captured using digital technology. A full-smile frame image of each subject was selected and evaluated by 22 laypersons (11 males and 11 females; 20-35 years of age) using visual analog scale measurement...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29285853/development-and-validation-of-a-new-condition-specific-instrument-for-evaluation-of-smile-esthetics-related-quality-of-life
#20
Ema Saltovic, Vlatka Lajnert, Sabina Saltovic, Daniela Kovacevic Pavicic, Andrej Pavlic, Stjepan Spalj
OBJECTIVE: Orofacial esthetics raises psychosocial issues. The purpose was to create and validate new short instrument for psychosocial impacts of altered smile esthetics. MATERIALS AND METHODS: A team of an orthodontist, two prosthodontists, psychologist, and a dental student generated items that could draw up specific hypothetical psychosocial dimensions (69 items initially, 39 in final analysis). The sample consisted of 261 Caucasian subjects attending local high schools and university (26% male) aged 14 to 28 years that have self-administrated the designed questionnaire...
March 2018: Journal of Esthetic and Restorative Dentistry
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