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https://www.readbyqxmd.com/read/28343677/influence-of-adhesive-cementation-systems-on-the-bond-strength-of-relined-fiber-posts-to-root-dentin
#1
Raquel Viana Rodrigues, Camila Sobral Sampaio, Rafael Rocha Pacheco, Fernanda Miori Pascon, Regina Maria Puppin-Rontani, Marcelo Giannini
STATEMENT OF PROBLEM: Glass fiber post cementation procedures have undergone significant development. Relining the post with composite resin is a technique that aims to reduce resin cement thickness and consequently problems inherent to polymerization. Evidence is sparse regarding the efficacy of bonding procedures at increasing depths (from cervical to apical) using different adhesive cementation techniques. PURPOSE: The purpose of this in vitro study was to evaluate the push-out bond strength (PBS) of composite resin relined glass fiber posts cemented to bovine root dentin using different adhesive cementation protocols...
March 23, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28327301/dentin-bond-optimization-using-the-dimethyl-sulfoxide-wet-bonding-strategy-a-2-year-in-vitro-study
#2
Thiago Henrique Scarabello Stape, Leo Tjäderhane, Arzu Tezvergil-Mutluay, Cristiane Rumi Fujiwara Yanikian, Anna Luiza Szesz, Alessandro Dourado Loguercio, Luís Roberto Marcondes Martins
OBJECTIVE: This study evaluated a new approach, named dimethyl sulfoxide (DMSO)-wet bonding, to produce more desirable long-term prospects for the ultrafine interactions between synthetic polymeric biomaterials and the inherently hydrated dentin substrate. METHODS: Sound third molars were randomly restored with/without DMSO pretreatment using a total-etch (Scocthbond Multipurpose: SBMP) and a self-etch (Clearfil SE Bond: CF) adhesive systems. Restored teeth (n=10)/group were sectioned into sticks and submitted to different analyses: micro-Raman determined the degree of conversion inside the hybrid layer (DC); resin-dentin microtensile bond strength and fracture pattern analysis at 24h, 1year and 2 years of aging; and nanoleakage evaluation at 24h and 2 years...
December 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28315376/effect-of-a-novel-quaternary-ammonium-silane-cavity-disinfectant-on-durability-of-resin-dentine-bond
#3
D Umer, C K Y Yiu, M F Burrow, L-N Niu, F R Tay
OBJECTIVE: The present study examined the effect of a quaternary ammonium silane (QAS) cavity disinfectant on the viability of human dental pulp cells, dentine bond durability and nanoleakage of simplified etch-and-rinse adhesives. METHODS: Etched dentine surface of third molars were randomly divided into two adhesive groups, Adper™ Single Bond 2 and Prime & Bond(®) NT™. For each adhesive, the teeth were randomly assigned to five cavity disinfectant groups (N=6): Group 1: deionised water (control); Group 2: 2% chlorhexidine (CHX); Group 3: 2% QAS; Group 4: 5% QAS and Group 5: 10% QAS...
March 14, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28274042/evaluation-of-the-shear-bond-strength-of-composite-resin-to-wet-and-dry-enamel-using-dentin-bonding-agents-containing-various-solvents
#4
Carounanidy Usha, Sathyanarayanan Ramarao, Bindu Meera John, Praveen Rajesh, S Swatha
INTRODUCTION: Bonding of composite resin to dentin mandates a wet substrate whereas, enamel should be dry. This may not be easily achievable in intracoronal preparations where enamel and dentin are closely placed to each other. Therefore, Dentin Bonding Agents (DBA) are recommended for enamel and dentinal bonding, where enamel is also left moist. A research question was raised if the "enamel-only" preparations will also benefit from wet enamel bonding and contemporary DBA. AIM: The aim of this study was to compare the shear bond strengths of composite resin, bonded to dry and wet enamel using fifth generation DBA (etch and rinse system) containing various solvents such as ethanol/water, acetone and ethanol...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28259318/the-use-of-adhesive-systems-under-fissure-sealants-improves-their-retention-with-etch-and-rinse-performing-better-than-self-etching-adhesive-systems
#5
Stefania Martignon, Olga Lucia Zarta
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Adhesive systems under fissure sealants: yes or no?: A systematic review and meta-analysis. Bagherian A, Shirazi AS, Sadeghi R. J Am Dent Assoc 2016;147(6):446-56. SOURCE OF FUNDING: The authors reported that no external funding sources directly supported this study TYPE OF STUDY/DESIGN: Systematic review with meta-analysis of data.
March 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/28257259/microleakage-and-shear-bond-strength-of-composite-restorations-under-cycling-conditions
#6
R F Zanatta, M Lungova, A B Borges, Crg Torres, H-G Sydow, A Wiegand
OBJECTIVES: The aim of this study was to evaluate microleakage and shear bond strength of composite restorations under different cycling conditions. METHODS AND MATERIALS: Class V cavities were prepared in the buccal and lingual surfaces of 30 human molars (n=60). A further 60 molars were used to prepare flat enamel and dentin specimens (n=60 each). Cavities and specimens were divided into six groups and pretreated with an adhesive (self-etch/Clearfil SE Bond or etch-and-rinse/Optibond FL)...
March 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28257217/two-year-clinical-evaluation-of-a-nanofilled-etch-and-rinse-and-a-self-etch-adhesive-system-containing-mdpb-and-fluoride-in-non-carious-cervical-lesions
#7
Fernanda Garcia de Oliveira, Lucas Silveira Machado, Daniel Sundfeld-Neto, Marcelo Giannini, André Luiz Fraga Briso, Paulo Henrique Dos Santos, Maria Lúcia Marçal Mazza Sundefeld, Renato Herman Sundfeld
OBJECTIVES: The aim of this clinical study was to evaluate the performance of restorations for non-carious cervical lesions performed with a two-step etch-and-rinse or with a two-step self-etch adhesive. MATERIALS AND METHODS: The teeth to be restored (15 patients, N = 90 restorations) were randomly assigned into 3 groups (n = 30), according to the adhesive system: group 1 (G1): Peak LC Bond; group 2 (G2): Clearfil Protect Bond; and group 3 (G3): prior selective acid etching of the enamel margins before bonding with Clearfil Protect Bond...
March 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28253588/-effects-of-epigallocatechin-3-gallate-modification-on-the-bonding-stability-of-an-etch-and-rinse-adhesive-to-intraradicular-dentin
#8
H H Yu, L Zhang, F Yu, H Zhou, L J Shen, J H Chen
Objective: To evaluate the effects of epigallocatechin-3-gallate (EGCG) modification on the bonding stability of an etch-and-rinse adhesive to intraradicular dentin, and to find a new strategy to improve the stability of bonding interface. Methods: EGCG was incorporated into Single Bond 2 (SB2) with the concentration of 200 mg/L and 400 mg/L respectively to fabricated experimental adhesives group A and group B, while Single Bond 2 without EGCG was used as control group. Laser scanning confocal microscope (LSCM) and scanning electron microscope (SEM) were used to observe the bacterial biofilm adherent to the surface of the cured adhesive...
February 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28203014/-influence-of-surface-treatment-with-sodium-hypochlorite-solution-on-dentin-bond-strength
#9
Y Wang, Y H Liang
OBJECTIVE: To evaluate the influence of sodium hypochlorite (NaOCl) solution used during root canal therapy on dentin bond strength. METHODS: In the study, 15 freshly extracted human third molars with complete dental crowns, caries and filling-free were selected. The occlusal enamel was removed perpendicular to the long axis of the tooth to expose middle flat surfaces of sound dentin. The occlusal dentin surfaces were then polished using 600-grit silicon papers for 1 min and rinsed with deionized water for 1 min...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28198798/patterned-transparent-electrode-with-a-continuous-distribution-of-silver-nanowires-produced-by-an-etching-free-patterning-method
#10
Kwonwoo Shin, Ji Sun Park, Jong Hun Han, Yunsu Choi, Dae Sung Chung, Se Hyun Kim
The outstanding electrical, optical, and mechanical properties of silver nanowire transparent electrodes are attractive for use in many optoelectronic devices, and the recent developments related to these electrodes have led to their commercialization. To more fully utilize the advantages of this technology, developing new process technologies in addition to performance improvements is important. In this report, we propose a novel ultra-simple patterning technology to generate a silver nanowire transparent layer and a unique patterned structure with continuously distributed silver nanowires without any etched areas...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28195274/role-of-etching-mode-on-bonding-longevity-of-a-universal-adhesive-to-eroded-dentin
#11
Tamires Vercelino Forgerini, Jéssica Fogliato Ribeiro, Rachel de Oliveira Rocha, Fabio Zovico Maxnuck Soares, Tathiane Larissa Lenzi
PURPOSE: To assess the immediate and six-month microshear bond strength (μSBS) of a universal adhesive applied using different etching strategies on sound and eroded dentin. MATERIALS AND METHODS: Eighty bovine incisors were polished to obtain flat buccal dentin. Forty teeth were submitted to a pH-cycling model to simulate artificial erosion (3x/day cola drink for 7 days). Teeth from both dentin conditions (sound and eroded) were randomly assigned to four groups according to the adhesive and etching approach: a universal adhesive in self-etch and etch-and-rinse modes (Scotchbond Universal Adhesive), and as controls a twostep etch-and-rinse adhesive (Adper Single Bond Plus), and a two-step self-etch adhesive (Clearfil SE Bond)...
February 10, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28195272/bonding-efficacy-and-fracture-pattern-of-adhesives-submitted-to-mechanical-aging-with-the-rub-roll-device
#12
Anelise F Montagner, Niek J M Opdam, Jan De Munck, Maximiliano S Cenci, Bart Van Meerbeek, Marie-Charlotte D N J Huysmans
PURPOSE: To evaluate the effect of water storage and cyclic loading on the microtensile bond strength (μTBS) and fracture pattern of adhesives to dentin. MATERIALS AND METHODS: Midcoronal dentin surfaces (n = 36) were prepared and composite restorations were built up using two adhesives (self-etch and etch-and-rinse). The specimens were randomly divided into 3 groups according to the aging conditions (n = 6): 1. CONTROL: storage in water for 24 h (CO); 2...
February 10, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28182862/proanthocyanidins-loaded-nanoparticles-enhance-dentin-degradation-resistance
#13
A S Fawzy, B M Priyadarshini, S T Selvan, T B Lu, J Neo
Previous studies reported that grapeseed extract (GSE), which is rich in proanthocyanidins (PAs), improves the biodegradation resistance of demineralized dentin. This study aimed to investigate the effect of a new GSE delivery strategy to demineralized dentin through loading into biodegradable polymer poly-[lactic-co-glycolic acid] (PLGA) nanoparticles on the biodegradation resistance in terms of structural stability and surface/bulk mechanical and biochemical properties with storage time in collagenase-containing solutions...
February 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28169265/evaluation-of-matrix-metalloproteinase-and-cysteine-cathepsin-activity-in-dentin-hybrid-layer-by-gelatin-zymography
#14
Sekar Mahalaxmi, Manavalan Madhana Madhubala, Mahendran Jayaraman, Shanmugasundaram Sathyakumar
AIM: The aim of this study was to comparatively assess the gelatinolytic activity of matrix metalloproteinases(MMPs) and Cysteine Cathepsins (CCs) in the adhesive interface using etch and rinse adhesive at different time intervals using zymographic technique. METHODOLOGY: Twenty freshly extracted non-carious human third molars were used in this study. Occlusal surfaces were ground flat and 1mm thick horizontal dentin slabs were obtained from each tooth using a diamond disc...
November 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28149471/bond-strength-of-adhesive-resin-cement-with-different-adhesive-systems
#15
Fabrizio Lorenzoni E Silva, Saulo Pamato, Milton-Carlos Kuga, Marcus-Vinicius-Reis Só, Jefferson-Ricardo Pereira
BACKGROUND: To assess the immediate bond strength of a dual-cure adhesive resin cement to the hybridized dentin with different bonding systems. MATERIAL AND METHODS: Fifty-six healthy human molars were randomly divided into 7 groups (n=8). After 3 longitudinal sections, the central cuts were included in PVC matrix and were submitted to dentin hybridization according to the groups: G1 - etch & rinse system with 3-step (Apder™ Scotchbond™ Multi-Purpose, 3M ESPE), G2 - etch & rinse system with 3-step (Optibond™ FL, Kerr), G3 - etch & rinse system with 3-step (All-Bond 3®, Bisco), G4 - etch & rinse simplified system (Adper™ Single Bond 2, 3M ESPE), G5 - self-etching system with one step (Bond Force, Tokuyama), G6 - universal system in moist dentin (Single Bond Universal, 3M ESPE), G7 - universal system in dry dentin (Single Bond Universal, 3M ESPE)...
January 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28127314/effect-of-chlorhexidine-application-protocol-on-durability-of-marginal-seal-of-class-v-restorations
#16
Anna Saffarpour, Aida Saffarpour, Mohammad Javad Kharazifard, Atoussa Entezami Rad
OBJECTIVES: This study aimed to evaluate the effect of chlorhexidine (CHX) application protocol on durability of marginal seal of class V composite restorations. MATERIALS AND METHODS: Class V cavities (4×2×1.5mm) were prepared in the buccal surfaces of 160 human third molars. The teeth were randomly divided into five groups (n=32) of (G1) CHX+rinse+etching, (G2) CHX+etching, (G3) etching+CHX+rinse, (G4) etching+ CHX, and (G5) etching alone as the control group...
August 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28127313/effect-of-lactic-acid-on-microleakage-of-class-v-low-shrinkage-composite-restorations
#17
Sedigheh Sadat Hashemikamangar, Seyed Jalal Pourhashemi, Zohre Nekooimehr, Mehrzad Gholampur Dehaki, Mohamad Javad Kharazifard
OBJECTIVES: To assess the effect of lactic acid (LA) on microleakage of silorane-based composite restorations and methacrylate-based composites with self-etch and etch-and-rinse bonding systems. MATERIALS AND METHODS: Class V cavities were prepared in 120 extracted human teeth, divided into four groups and restored as follows: 1. Silorane-based composite+P90 adhesive system (P90); 2. Filtek Z250+SE Bond (Z250SE); 3. Filtek Z350+SE Bond (Z350SE) and 4. Filtek Z250+Single Bond (Z250SB)...
August 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28117914/chemotherapeutic-decontamination-of-dental-implants-colonized-by-mature-multispecies-oral-biofilm
#18
Sebastien Dostie, Lubna T Alkadi, Gethin Owen, Jiarui Bi, Ya Shen, Markus Haapasalo, Hannu S Larjava
AIM: No studies have tested disinfectants on mature multispecies oral biofilms on titanium substrata. The aim of this study was to investigate the efficacy of commonly used antimicrobial agents in decontamination of multispecies mature oral biofilm on sandblasted, large-grit, acid-etched (SLA) titanium implants. METHODS: SLA titanium disks were inoculated with dental plaque and cultured anaerobically for 21 days. The disks were rinsed with 0.9% NaCl, exposed for 2 min...
January 24, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28117855/marginal-sealing-of-a-porcelain-%C3%A2-laminate-veneer-luted-with-%C3%A2-three-different-resin-cements-%C3%A2-on-fluorosed-teeth
#19
Fereshteh Shafiei, Mahtab Memarpour, Zahra Jowkar
AIM: The purpose of this study was to investigate the sealing ability of three different resin cements for the luting of a porcelain laminate veneer (PLV) to the enamel and dentin of fluorosed teeth. MATERIALS AND METHOD: Thirty incisors with moderate fluorosis according to the Thylstrup-Fejerskov Index (TFI = 4 to 6) received a veneer preparation with dentin margins at the gingival third. The IPS Empress (Ivoclar Vivadent) veneers were luted to the teeth of three groups (n = 10) using three different resin cements: Group 1: Excite DSC/Variolink II - etch-and-rinse (E&R), Group 2: ED Primer II/Clearfil Esthetic - self-etch (SE), Group 3: RelyX Unicem - self-adhesive (SA)...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28094025/mechanical-and-microbiological-properties-and-drug-release-modeling-of-an-etch-and-rinse-adhesive-containing-copper-nanoparticles
#20
M F Gutiérrez, P Malaquias, T P Matos, A Szesz, S Souza, J Bermudez, A Reis, A D Loguercio, P V Farago
OBJECTIVES: To evaluate the effect of addition of copper nanoparticles (CN) at different concentrations into a two-step etch-and-rinse (2-ER) adhesive on antimicrobial activity (AMA), copper release (CR), ultimate tensile strength (UTS), degree of conversion (DC), water sorption (WS), solubility (SO), as well as the immediate (IM) and 1-year resin-dentin bond strength (μTBS) and nanoleakage (NL). METHODS: Seven adhesives were formulated according to the addition of CN (0, 0...
January 13, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
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