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https://www.readbyqxmd.com/read/27141253/3d-micro-ct-analysis-of-void-formations-and-push-out-bonding-strength-of-resin-cements-used-for-fiber-post-cementation
#1
İsmail Hakkı Uzun, Meral Arslan Malkoç, Ali Keleş, Ayşe Tuba Öğreten
PURPOSE: To investigate the void parameters within the resin cements used for fiber post cementation by micro-CT (µCT) and regional push-out bonding strength. MATERIALS AND METHODS: Twenty-one, single and round shaped roots were enlarged with a low-speed drill following by endodontic treatment. The roots were divided into three groups (n=7) and fiber posts were cemented with Maxcem Elite, Multilink N and Superbond C&B resin cements. Specimens were scanned using µCT scanner at resolution of 13...
April 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/26929532/evaluation-and-comparison-of-the-effect-of-different-surface-treatment-modifications-on-the-shear-bond-strength-of-a-resin-cement-to-titanium-an-in-vitro-study
#2
Tahsin Mansur Veljee, C S Shruthi, R Poojya
UNLABELLED: The purpose of this study was to evaluate and compare the effect of grit blasting, chemical treatment, and application of alloy primer combinations on the shear bond strength (SBS) of a self-cure resin cement to titanium surface. MATERIALS AND METHODS: Fifty cast commercially pure titanium discs (9 mm × 2 mm) were divided into five groups (n = 10), which received the following surface treatments: Control group (no surface treatment), group 1 (grit blasting using 110 µm Al2O3 particles and application of alloy primer), group 2 (grit blasting using 110 µm Al2O3 particles and chemical treatment using 1N HCl), group 3 (chemical treatment using 1N HCl and application of alloy primer), and group 4 (Grit blasting using 110 µm Al2O3 particles, chemical treatment using 1N HCl and application of alloy primer)...
October 2015: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/26763665/glass-ceramics-bonding-in-geriatric-patients-comparison-with-young-teeth
#3
Ayşe Gözde Türk, Ebru Cal, Sena Unal, Pelin Güneri, Mübin Ulusoy, Meltem Ozden
OBJECTIVE: The aim of the study was to assess whether in geriatric patients, the shear bond strength (SBS) of glass-ceramics differed when compared to young controls. BACKGROUND: In the need of aesthetic restorations for geriatric patients, reliable bonding of glass-ceramics should be accomplished; however, glass-ceramics bonding on aged tooth structures is still unclear. MATERIALS AND METHODS: Sixty extracted molars from young and geriatric patients [18-25 (Y), and 65-80 (O)] were cut buccolingually to prepare enamel (E) and dentin (D) surfaces...
January 14, 2016: Gerodontology
https://www.readbyqxmd.com/read/26684887/measuring-the-adherence-energy-of-the-resin-metal-interface-with-two-fracture-mechanics-methods-the-dcb-and-ntp-tests
#4
HongMei Meng, ZhiGuang Sun, RiWen Jiang, CongXiao Zhang
OBJECTIVE: To evaluate the abilities of the DCB and the NTP test for measuring adherence of an adhesive joint between a resin and a metal interface. METHODS: Two-hundred stainless steel metal beams (diam. 50×5×2 mm) were cast and treated by the following methods: (1) sandblasting with aluminum oxide, followed by treatment with (2) the Rocatec system or (3) the Alloy primer. Superbond and Panavia F 2.0 were used as adhesives. The fracture energy (G1C) and fracture toughness (K1C) of two adhesives were compared by two-way analysis of variance...
2015: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/26548873/retention-of-bonded-titanium-copings-fixed-to-implant-abutments
#5
Christian J Mehl, Nobuhiko Okano, Klaus Ludwig, Matthias Kern
STATEMENT OF PROBLEM: Conical abutments can be laser welded to the abutment base to compensate for differing implant axes. As laser welding requires expensive equipment, alternative methods for bonding the conical abutment part with the abutment base should be considered. PURPOSE: The purpose of this in vitro study was to evaluate the retention of Ti-6Al-7Nb copings bonded adhesively to Ti-6Al-7Nb abutments and to compare it with the stability achieved by laser welding...
January 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/25516878/selective-infiltrated-etching-to-surface-treat-zirconia-using-a-modified-glass-agent
#6
COMPARATIVE STUDY
Ting Jiang, Chao Chen, Ping Lv
PURPOSE: The surface roughness of zirconia specimens and the bond strength of zirconia and resin cements were evaluated after selective infiltrated etching (SIE) surface treatment using a modified glass agent. MATERIALS AND METHODS: One hundred twenty zirconia specimens were divided into four groups according to surface treatment method: untreated control (C), airborne particle abrasion (A), airborne particle abrasion followed by SIE treatment using a modified glass agent (A-SIE), and SIE treatment using a modified glass agent without airborne particle abrasion (SIE)...
December 2014: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/25231143/effect-of-orthodontic-adhesive-thickness-on-force-required-by-debonding-pliers
#7
Tomohiko Hama, Yasuhiro Namura, Yukina Nishio, Takayuki Yoneyama, Noriyoshi Shimizu
This in vitro study evaluated the relationship between removal force and the thickness of three orthodontic adhesives, namely, light- and chemical-cured resin cements and a resin-modified glass ionomer cement. The thickness of each adhesive was 50, 100, 150, or 200 µm, and all adhesives were bonded on bovine incisors. Removal force was measured before (TC-0) and after 1,000 thermal cycles (TC-1000), and values were compared. At TC-0, the removal strengths for adhesive thicknesses of 50 and 100 µm were significantly lower than those for thicknesses of 150 and 200 µm (P < 0...
September 2014: Journal of Oral Science
https://www.readbyqxmd.com/read/24922997/effect-of-chlorhexidine-on-bond-strength-between-glass-fiber-post-and-root-canal-dentine-after-six-month-of-water-storage
#8
M Toman, S Toksavul, E Tamaç, M Sarikanat, I Karagözoğlu
Aim of this study was to assess the influence of chlorhexidine digluconate (CHX) application on bond strength of glass fibre reinforced composite (FRC) posts to root dentine using adhesive luting systems. Forty extracted human mandibular premolars were endodontically treated and root canals were prepared. Teeth were divided into 2 groups according to luting system as SuperBond C&B (etch-and-rinse/chemical cure) and FuturaBond DC (self-etch/ dual cure). Each group was further divided in 2 subgroups (n=10) according to whether CHX was applied or not...
March 2014: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/24264638/long-term-performance-of-posterior-inceram-alumina-crowns-cemented-with-different-luting-agents-a-prospective-randomized-clinical-split-mouth-study-over-5-years
#9
RANDOMIZED CONTROLLED TRIAL
Christian F Selz, Joerg R Strub, Kirstin Vach, Petra C Guess
OBJECTIVES: This prospective, randomized clinical split-mouth study investigated the 5-year performance of InCeram Alumina posterior crowns cemented with three different luting cements. 4-META- and MDP-based cements were used for adhesive luting. Glass ionomer cement served as control. MATERIALS AND METHODS: Sixty patients were treated with 149 (n = 62 Panavia F/MDP; n = 59 SuperBond-C&B/4-META; n = 28 Ketac Cem/glass ionomer) InCeram Alumina crowns on vital molars and premolars in a comparable position...
July 2014: Clinical Oral Investigations
https://www.readbyqxmd.com/read/23991569/-finite-element-analysis-of-the-stress-distribution-of-two-piece-post-crown-with-different-adhesives
#10
Lihui He, Lijie Liu, Bei Gao, Shang Gao, Yifu Chen, Liu Zhihui
OBJECTIVE: To establish three-dimensional finite element model of two-piece post crown to the mandibular first molar residual roots, and analyze the stress distribution characteristic to the residual roots with different adhesives, so as to get the best combination under different conditions. METHODS: The complete mandibular first molar in vitro was selected, the crown was removed along the cemento-enamel junction, then the residual roots were scanned by CT. CT images were imported into a reverse engineering software, and the three-dimensional finite element model of the mandibular first molar residual roots was reconstructed...
August 2013: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/23919436/push-out-bond-strength-of-mta-with-antiwashout-gel-or-resins
#11
L M Formosa, B Mallia, J Camilleri
AIM: Assessment of the push-out bond strength of four MTA-based formulations for use as root-end filling materials. METHODOLOGY: MTA Plus mixed with (i) water ('MTA-W'); (ii) a proprietary water-based antiwashout gel ('MTA-AW'); (iii) Superbond C&B chemically curing resin ('MTA-Chem'); and (iv) Heliobond light-curing resin ('MTA-Light') was tested. Root slices 3 mm thick human had a 1.5 mm diameter hole drilled centrally and were treated with 17% EDTA for 60s. Forty specimens divided into groups 1-4 were prepared and filled with MTA-W, MTA-AW, MTA-Chem and MTA-Light, respectively...
May 2014: International Endodontic Journal
https://www.readbyqxmd.com/read/23755347/the-effect-of-resin-cements-and-primer-on-retentive-force-of-zirconia-copings-bonded-to-zirconia-abutments-with-insufficient-retention
#12
Seung-Mi Kim, Ji-Young Yoon, Myung-Hyun Lee, Nam-Sik Oh
PURPOSE: The purpose of this study was to investigate the effect of resin cements and primer on the retentive force of zirconia copings bonded to zirconia abutments with insufficient retention. MATERIALS AND METHODS: Zirconia blocks (Lava, 3M ESPE, St. Paul, MN, USA) were obtained and forty sets of zirconia abutments and copings were fabricated using CAD/CAM technology. They were grouped into 4 categories as follows, depending on the types of resin cements used, and whether the primer is applied or not:Panavia F2...
May 2013: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/23199809/the-chemical-properties-of-light-and-chemical-curing-composites-with-mineral-trioxide-aggregate-filler
#13
L M Formosa, B Mallia, J Camilleri
OBJECTIVE: One of the challenges encountered with composite restorations is their inability to prevent secondary caries. Alternative fillers that initiate remineralization have been proposed but poor mechanical strength limits their use to lining and support materials. Mineral trioxide aggregate (MTA) is a material with many dental applications including root-end filling and pulp capping. MTA is capable of encouraging remineralization by leaching calcium in solution, and has the ability to form apatite in physiological solution...
February 2013: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/22876018/evaluation-of-the-sealing-ability-of-resin-cement-used-as-a-root-canal-sealer-an-in-vitro-study
#14
R Vinod Kumar, Cs Shruthi
AIM: This study was designed to evaluate the apical seal of root canals obturated with resin cement as a root canal sealer and compare with that of the glass ionomer and zinc oxide eugenol sealers using a cold lateral condensation gutta-percha technique. BACKGROUND: Successful root canal treatment requires three-dimensional obturation of the root canal system with nonirritating biomaterials. None of the available materials are capable of providing a fluid tight seal...
July 2012: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/21833482/adhesion-of-conventional-and-simplified-resin-based-luting-cements-to-superficial-and-deep-dentin
#15
Mutlu Özcan, Ayse Mese
This study evaluated the bond strengths of conventional (chemically and dual-polymerized) and simplified resin-based luting cements with their corresponding adhesives to superficial dentin (SD) and deep dentin (DD). Recently extracted third molars (N = 70, n = 10 per group) were obtained and prepared for testing procedures. After using their corresponding etchants, primers, and/or adhesive systems, the conventional and simplified cements (Variolink II [group A, conventional], Bifix QM [group B, conventional], Panavia F2...
August 2012: Clinical Oral Investigations
https://www.readbyqxmd.com/read/21531018/the-effect-of-preparation-order-on-the-crystal-structure-of-yttria-stabilized-tetragonal-zirconia-polycrystal-and-the-shear-bond-strength-of-dental-resin-cements
#16
Ji-Eun Moon, Sung-Hun Kim, Jai-Bong Lee, Seung-Ryong Ha, Yu-Sung Choi
OBJECTIVES: The purpose of this study was to evaluate the effect of preparation order on the crystal structure of yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) and the shear bond strength of dental resin cements. METHODS: One-hundred fifty pre-sintered Y-TZP cylinders (Ø 9mm×13.5mm) were prepared and divided into three groups (control group, SBS group and SAS group). Specimens in control group were not treated. Specimens in SBS group were sandblasted and then densely sintered, and specimens in SAS group were sintered in advance, and then sandblasted...
July 2011: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/21356410/bond-degradation-behavior-of-self-adhesive-cement-and-conventional-resin-cements-bonded-to-silanized-ceramic
#17
COMPARATIVE STUDY
Qing Liu, Xiangfeng Meng, Keiichi Yoshida, Xiaoping Luo
STATEMENT OF PROBLEM: Self-adhesive resin cement with the characteristics of glass ionomer cement is more susceptible to water than conventional resin cements. It is unknown if there is a higher risk of bond degradation at the interface with silanized ceramic in an oral environment. PURPOSE: The purpose of this study was to evaluate the bond degradation behavior of self-adhesive cement under simulated oral conditions, by comparing it with the behavior of 3 conventional resin cements...
March 2011: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/21271328/early-bond-strength-of-two-resin-cements-to-y-tzp-ceramic-using-mps-or-mps-4-meta-silanes
#18
Mutlu Ozcan, Cenk Cura, Luiz Felipe Valandro
For cementation of yttrium-stabilized tetragonal zirconium polycrystal (Y-TZP) ceramic frameworks, protocols of surface-conditioning methods and available cements vary, resulting in confusion among clinicians regarding selection and effects of different conditioning methods on cement adhesion. This study evaluated the effect of two silanes (3-trimethoxysilylpropylmethacrylate (MPS) and 3-trimethoxysilylpropylmethacrylate/4-methacryloyloxyethyl trimellitate anhydride methyl methacrylate (MPS/4-META) on the adhesion of two resin-based cements (SuperBond and Panavia F 2...
January 2011: Odontology
https://www.readbyqxmd.com/read/21255042/an-in-vitro-evaluation-of-two-resin-based-sealers-on-proliferation-and-differentiation-of-human-periodontal-ligament-cells
#19
COMPARATIVE STUDY
H Maeda, A Tomokiyo, K Koori, S Monnouchi, S Fujii, N Wada, K Kono, N Yamamoto, T Saito, A Akamine
AIM: To evaluate the effects of a polymethyl methacrylate resin-based sealer [Superbond sealer (SB)] on the proliferation and osteogenic differentiation of human periodontal ligament cells (HPDLCs) in vitro, compared with a methacrylate resin-based sealer [Epiphany SE sealer (EP)]. METHODOLOGY: Human periodontal ligament cells were obtained from of healthy third molar teeth of two participants with informed consent. To determine the effects of the eluent from set resin sealers on HPDLCs, the 7-day-washed (washed) or non-washed freshly prepared (fresh) set SB or EP discs were prepared...
May 2011: International Endodontic Journal
https://www.readbyqxmd.com/read/21207797/marginal-integrity-between-a-prefabricated-composite-block-and-enamel-dej-and-dentin
#20
Morakot Piemjai, Ariya Thaveeratana, Nobuo Nakabayashi
PURPOSE: To evaluate the stability of the interfacial layer and leakage patterns between enamel, DEJ, dentin and three adhesive systems as demonstrated by either a dye or a silver nitrate technique to understand the marginal integrity of restored tooth substrates. METHODS: Extracted human molars were cross-sectioned to prepare enamel, DEJ and dentin surfaces. Areas with the DEJ aligned in the middle were restored with prefabricated flat composite blocks using either Superbond C&B (SB), Panavia Fluorocement (PN) or Variolink II (VL) cements...
October 2010: American Journal of Dentistry
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