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Dental Stress Analysis (0):
Recent article
Dental Stress Analysis
Fogorvosi szemle (104)2 2011
Abstract
The osseointegration of oral implants is of utmost importance as far as the success of implant prosthetics is concerned. In clinical practice osseointegration can only be tested indirectly. The loading of implants is usually linked to osseointegration as a condition. Under some circumstances implants...
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PMID: 21789936
PDF is available here.
PDF is available here.
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Abstract
To evaluate the effect of resin coating and occlusal loading on microleakage of class II computer-aided design/computer-aided manufacturing (CAD/CAM) ceramic restorations.
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PMID: 21231818
PDF is available here.
PDF is available here.
Abstract
To investigate the influences of abutment water sorption and various aging parameters on the fracture resistance of zirconia copings.
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PMID: 21271784
PDF is available here.
PDF is available here.
Abstract
l Orthodontie Française (82)1 2011
Abstract
l Orthodontie Française (82)1 2011
Abstract
Abstract
The purpose of the present study was to determine an effective surface preparation for the bonding of a gingival shade composite resin to a denture base resin. The flat surfaces of a heat-processed denture base resin were prepared in various ways. A highly filled gingival shade composite resin was ap...
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PMID: 21528681
PDF is available here.
PDF is available here.
Abstract
This study investigated the fracture resistance and failure mode of endodontically treated premolars restored with a glass fibre-reinforced composite resin. Endodontically treated maxillary premolars were divided in 4 groups: group O: occlusal access opening restored with direct composite; group O+:...
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PMID: 21528685
PDF is available here.
PDF is available here.
Abstract
This study examined the influence of surface preparation and metal primer on the tensile bond strength between cobalt chromium alloy and composite resin. The bond strength between 168 cobalt chromium alloy dumb-bells with one of three test surfaces (beaded, machined or sandblasted) to composite resin...
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PMID: 21528688
PDF is available here.
PDF is available here.
Operative Dentistry (36)1 2011
Abstract
This study evaluated the effect of tooth-preparation cleansing protocols on the bond strength of a self-adhesive resin cement to dentin contaminated with two different types of hemostatic agents. The occlusal surface of extracted third molars was flattened to expose the dentin surface and prepared fo...
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PMID: 21488725
PDF is available here.
PDF is available here.
Operative Dentistry (36)1 2011
Abstract
This in vitro study evaluated microleakage in Class II cavities restored with dental composite and varying light-curing units and the temperature of the composite when subjected to a thermocycling test. Ninety cavities were prepared on the proximal surfaces of bovine teeth and randomly divided accord...
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PMID: 21488730
PDF is available here.
PDF is available here.
Operative Dentistry (36)1 2011
Abstract
This study evaluated the effects of the exposure time of eugenol-based provisional restorative material and the time elapsed between the provisional material removal and the adhesive procedure on the bond strength of the composite to dentin.
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PMID: 21488731
PDF is available here.
PDF is available here.
Operative Dentistry (36)1 2011
Abstract
To determine the effect of varying the adhesive pH on the bond strength of an experimental self-etch adhesive system (BISCO, Inc) to dentin with the bonding surface perpendicular (occlusal direction) or parallel (axial direction) to dentin tubules.
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PMID: 21488734
PDF is available here.
PDF is available here.
Operative Dentistry (36)1 2011
Abstract
This study investigated the effectiveness of polymerization of various curing regimes on five nanocomposite restorative materials—Z350, Grandio, Clearfil Majesty Esthetic, Ice and Tetric EvoCeram—by utilizing microhardness measurements. Five (n=5) disc-shaped specimens of each material were subje...
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PMID: 21488736
PDF is available here.
PDF is available here.
Abstract
To evaluate the degree of conversion (DC) of dual-curing materials used to lute glass-fiber posts in a simulated root canal polymerized by two different modalities.
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PMID: 21469400
PDF is available here.
PDF is available here.
Abstract
To evaluate the microtensile bond strength of adhesive systems to caries-affected dentin formed in situ after the use of a papain-based chemomechanical removal method.
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PMID: 21469401
PDF is available here.
PDF is available here.
Abstract
To evaluate the bond strength of resin dentin interfaces created with adhesives applied on root dentin using the water wet or ethanol wet bonding technique. The morphology of resin dentin interfaces was evaluated using confocal microscopy.
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PMID: 21469403
PDF is available here.
PDF is available here.
Abstract
The Chinese journal of dental research : the official journal of the Scientific Section of the Chinese Stomatological Association (CSA) (14)1 2011
Abstract
Experimental fibre composite had a significantly higher mechanical performance for fracture toughness (14 MNm-1.5), compression strength (129 MPa) and static load-bearing capacity (1584 N) than the control composite (2 MNm-1.5, 112 MPa and 1031 N). Conclusion: The resin with short E-glass fibre fill...
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PMID: 21734942
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to evaluate the micro-shear bond strength of 5 adhesive systems to enamel, one single-bottle acid-etch adhesive (O), two self-etching primers (P) and two all-in-one self-etching adhesives (S). METHOD: Sixty premolar enamel surfaces (buccal or lingual) were ground flat with 4...
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PMID: 21678674
PDF is available here.
PDF is available here.
Abstract
This study aimed to evaluate the fracture resistance of cement-retained metal-ceramic implant-supported posterior crowns. Three groups of 10 restorations each were tested: group A (cement-retained using zinc phosphate), group B (cement-retained using zinc oxide-eugenol), and group C...
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PMID: 21519576
PDF is available here.
PDF is available here.
Abstract
This study aimed to clarify the efficacy of a newly developed self-adjusting magnetic attachment (SMAT) that allowed 0.4 mm of vertical and 8 degrees of rotational movements using an in vitro model. Comparison between the SMAT and a conventional magnetic attachment (CMAT) was perform...
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PMID: 21519571
PDF is available here.
PDF is available here.
Abstract
The hypotheses tested were two-fold (a) whether altering the base:catalyst ratio influences working time, elastic recovery and strain in compression properties of a hand-mixed polyether impression material and (b) whether an extrusion-mixed polyether impression material would have a significant adva...
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PMID: 21265432
PDF is available here.
PDF is available here.
Abstract
This study examines the effect of preparing teeth with six varying convergence angles (ranging between 12 and 120 degrees) and height (1 and 2 mm) on the retention of cast gold crowns. Six groups of 4 human premolar teeth were prepared to give a flat occlusal surface in dentine with very short axial...
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PMID: 21265433
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to investigate the flexural properties of five types of fiber-reinforced dowels using a modified three-point bending test. Fiber-reinforced resin dowels were tested by a modified three-point bending test associated with models for cylindrical and conical simple-supported be...
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PMID: 21265434
PDF is available here.
PDF is available here.
Abstract
The potential erosive effect of acidic food, sour fruits and drinks on all-ceramic restorations used in dentistry has not been clearly documented. Surface characteristic changes have been evaluated and compared for disc-shaped specimens (diameter 12.0 mm and thickness 2.0 mm) of fluorapatite-leucite...
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PMID: 21265437
PDF is available here.
PDF is available here.
Abstract
The bond strengths of a silver-tin-zinc-indium alloy used with adhesive luting cements were investigated. The metal surfaces were primed with two metal conditioners designed for noble metal alloys or base metal alloys, or prepared using a Rocatec tribochemical coating unit. Two adhesive luting cemen...
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PMID: 21265438
PDF is available here.
PDF is available here.
Abstract
The purpose of this study was to evaluate the hardness and energy absorption properties of four commercially available chairside silicone denture soft lining materials and to compare their properties with those of a heat-polymerized silicone denture liner. The denture lining materials investigated w...
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PMID: 21265439
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to determine the dimensional stability of the so called '5 day stable' alginates. Ten specimens each of three alginate materials were prepared using a standardised impression technique and a typodont model. Travelling microscope measurements were recorded for six distances...
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PMID: 21265435
PDF is available here.
PDF is available here.
Abstract
To evaluate the effect of 8.0% arginine and calcium carbonate, in-office desensitizing paste (Colgate Sensitive Pro-Relief Desensitizing Paste) on the shear bond strength of composites to human dental enamel.
Two resin composites (Filtek Supreme, Premise) and human de...
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PMID: 21344830
PDF is available here.
PDF is available here.
Abstract
To investigate the influence of chemical and enzymatic degradation on the stability of zirconia resin bond strength using micro-shear bond strength test.
Zirconia discs were airborne particle abraded (SB) or selective infiltration etched (SIE) while no surface treatme...
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PMID: 21344831
PDF is available here.
PDF is available here.
Abstract
To evaluate the effect of etching time on the nanoleakage and microtensile bond strength (microTBS) at the interface between etch-and-rise adhesives and dentin.
Eighty molars were sectioned to expose the superficial dentin and randomly divided into four groups accordi...
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PMID: 21344833
PDF is available here.
PDF is available here.
Abstract
This study investigated the microtensile bond strength of three different ceramic veneering systems to one type of zirconia substrate.
Bilayered zirconia veneer discs were fabricated of a LAVA zirconia core and three different veneering ceramics (VITA VM9, Lava Ceram,...
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PMID: 21344835
PDF is available here.
PDF is available here.
Abstract
To compare the fracture strengths of pulpless teeth restored using resin cores with and without fiber posts, and with and without bonding adhesive in the post cavity.
Human extracted roots were prepared with post cavities and divided into four experimental groups: Gro...
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PMID: 21344826
PDF is available here.
PDF is available here.
Abstract
To observe the marginal failure at the enamel-resin composite interface upon curing, and utilize a recently developed analytical model for curing stresses to relate to the extent of interfacial failure.
Occlusal cavity preparations were restored with Heliomolar, Filte...
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PMID: 21344837
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to assess bonding of orthodontic metal brackets to porcelain surfaces using various surface treatment methods. Etching the porcelain with 9.6 percent HF followed by a bonding agent or silane application provided high and acceptable shear bond strengths.
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PMID: 21192611
PDF is available here.
PDF is available here.
Dental update (37)9 2010
Abstract
This article is concerned with implants that are being used for fixed crown and bridgework rather than removable prostheses. The huge increase in the provision of implants over the past two decades is set to continue. Most of the research is related to avoiding failures in implants. This research, i...
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PMID: 21179931
PDF is available here.
PDF is available here.
Abstract
Journal of Dentistry (38)10 2010
Abstract
We hypothesized that chlorhexidine would not negatively affect the immediate bond strength.
Root canals of eighty human extracted third molars were prepared for post cementation with each post systems' own burs. Four commercially available FRC posts (Glassix, D.T.Light-Post, Unicore, everStickPOST)...
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PMID: 20600556
PDF is available here.
PDF is available here.
Dental Materials (26)10 2010
Abstract
This study aimed to investigate the durability of four adhesive luting systems bonded to dentin with and without simulated hydrostatic pulpal pressure (PP).
Composite blocks were bonded to dentin with four adhesive systems: Multilink Automix (MA), Multilink Sprint (MS), Clearfil Esthetic cement (CE)...
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PMID: 20673992
PDF is available here.
PDF is available here.
Abstract
To evaluate the effect of gasiform ozone on the repair strength of ormocer-based and silorane-based composites.
160 cavities were created in methacrylate cylinders. Half of the cavities were filled with a silorane-based composite, whereas the other half was filled with an ormocer-based composite. Af...
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PMID: 21207792
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to evaluate whether a post-cure heat-treatment may improve the flexural strength of two indirect resin-based composites. Tested factors were: material (Gradia Indirect, Gradia Forte), mass (opaqus dentin, dentin, enamel) and curing mode (light, light and heat). A three-poin...
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PMID: 21077417
PDF is available here.
PDF is available here.
Abstract
The objective of this study was to evaluate the flexural strength of denture base resin reinforced with glass fibers and with a laboratorial composite resin. Group G1 was formed with specimens made of acrylic resin. Group G2 was formed with the same acrylic resin but reinforced with a glass-fiber sy...
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PMID: 21077418
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to evaluate the shear bond strength of porcelain to laser welded titanium surface and to determine the mode of bond failure through scanning electron microscopy (SEM) and energy dispersive spectrophotometry (EDS). Forty five cast rectangular titanium specimens with the dime...
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PMID: 21077419
PDF is available here.
PDF is available here.
Dental Materials (26)9 2010
Abstract
To evaluate the influence of post surface pretreatment on the delamination strength of different cements from a prefabricated FRC post tested in a three-point bending test.
Three cements were tested; RelyX Unicem, DC Core Automix, and Panavia F2.0. Per cement, 40 posts (D.T. Light Post Illusion size...
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PMID: 20542550
PDF is available here.
PDF is available here.
Dental Materials (26)9 2010
Abstract
This project studies the effect of high-performance polyethylene (HPPE) fibers on stress distributions in a maxillary denture and the influence of fiber position on improving denture performance.
A denture was scanned with a 3D Advanced Topometric Sensor digitizing system. The measuring system conve...
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PMID: 20542552
PDF is available here.
PDF is available here.
Gerodontology (27)3 2010
Abstract
The purpose of this study was to verify the effect of microwave treatment on the shear bond strength of commercial types of teeth to acrylic resin, when the glossy ridge laps were unmodified (groups 1 and 5), bur abraded (groups 2 and 6), bur grooved (groups 3 and 7) or etched by monomer (groups 4 a...
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PMID: 20545779
PDF is available here.
PDF is available here.
Dental Materials Journal (29)4 2010
Abstract
Mechanical roughening reportedly had a weakening effect on bond strength. Therefore, the purpose of this study was to evaluate the effect of an alternative surface roughening method, namely oxygen plasma treatment, on the tensile bond strength between denture base resin and soft liner. The soft line...
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PMID: 20610876
PDF is available here.
PDF is available here.
Dental Materials Journal (29)4 2010
Abstract
The effects of desensitizer, disinfectant, saliva, blood, and hydrogen peroxide on the tensile bond strength between adhesive and ceramic as well as between adhesive and dentin were examined. Sixty 7x3 mm pressed ceramic discs of IPS e.max were fabricated and randomly assigned to six groups of diffe...
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PMID: 20657150
PDF is available here.
PDF is available here.
Dental Materials Journal (29)4 2010
Abstract
The effects of sandblasting media and steam cleaning treatment after sandblast were examined on tensile bond strength of porcelain to titanium. The use of the commercially available silica-coated alumina particles for sandblast was significantly effective for increasing bond strength than the conven...
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PMID: 20668358
PDF is available here.
PDF is available here.
Dental Materials Journal (29)4 2010
Abstract
This study evaluated the shear bond strengths and etching patterns of seven self-adhesive resin cements to human enamel specimens which were subjected to one of the following surface treatments: (1) Polishing with #600 polishing paper; (2) Phosphoric acid; (3) G-Bond one-step adhesive; or (4) Phosph...
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PMID: 20668359
PDF is available here.
PDF is available here.
Abstract
This study investigated whether surface topography affects the retentive strength of cemented full crowns, comparing the effects of standard machined, sandblasted, and grooved implant abutments. Five metallic crowns per abutment type were cast and cemented with zinc phosphate. After 24 hours, the sp...
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PMID: 20664843
PDF is available here.
PDF is available here.
Abstract
Tooth movement was found to be greater in Group 1 than in Group 2 for all time periods (on days 3, 7, and 14), although a significant difference was observed only on days 7 and 14 (p < 0.05). The number of osteoclasts was smaller in Group 1 than in Group 2, whereas the number of Howship's lacunae wa...
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PMID: 20618717
PDF is available here.
PDF is available here.
Abstract
Increased surgical trauma increased the rate and, ultimately, the amount of tooth movement. The heavy forces used to protract the teeth produced statistically, but not clinically, significant apical root resorption on the mesial and distal roots of the maxillary second premolars....
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PMID: 20618720
PDF is available here.
PDF is available here.
Abstract
This study evaluated the microtensile bond strength of two resin cements to dentin either with their corresponding self-etching adhesives or employing the three-step "etch-and-rinse" technique. The null hypothesis was that the "etch-and-rinse" adhesive system would generate higher bond strengths tha...
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PMID: 20690956
PDF is available here.
PDF is available here.
Abstract
Abstract
The purpose of this investigation was to determine and compare the accuracy of four available mechanical torque-limiting gauges (MTLGs) for mini-screw placement.
The torque outputs of six randomly obtained MTLGs, either of the screwdriver or torque ratchet type of four mini-screw manufacturers were...
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PMID: 20465553
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to evaluate the mechanical stability of resin-dentin bonds produced in vivo in the presence of chlorhexidine. Children presenting at least one pair of contralateral primary molars with occlusal carious lesions were enrolled in the study. After cavity preparation and phospho...
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PMID: 20662916
PDF is available here.
PDF is available here.
Abstract
The purpose of this study was to evaluate the influence of contamination and subsequent cleaning on the bond strength and durability of an adhesive resin to nano-structured alumina-coated zirconia ceramic. Zirconia ceramic disks were coated with nano-structured alumina, utilizing the hydrolysis of a...
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PMID: 20662914
PDF is available here.
PDF is available here.
Abstract
The results have demonstrated that the new optimized plate is a hybrid of fixation hardware with the small profile of the smallest miniplate configuration and the superior fixation strength and safety that exceeds that of the larger fracture plate configuration.
Copyright 2010 American Association o...
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PMID: 20537782
PDF is available here.
PDF is available here.