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Number 6
Editorial
The Changes.
Research
Fracture Resistance of Premolars with MOD Amalgam Restorations Lined with Amalgambond.
Clinical Relevance:
MOD amalgams bonded with Amalgambond demonstrated no strengthening of the teeth after thermocycling.
Tapered Cross-Pin Attachments for Fixed Bridges.
Clinical Relevance:
A technique is presented for rigidly fixing a broken stress bridge.
Radiopacity of Resin-based Inlay Luting Cements.
Clinical Relevance:
Some cements were found to have radiopacity values less than that of enamel.
Stopfgolf: A New Direct Filling Gold.
Clinical Relevance:
A new denser and strnger direct filling gold is described.
Comparison of Restorative Treatment Recommendations Basede on Patients and Patient Simulations.
Clinical Relevance:
The results suggest that patient simulations can be used to assess dentists' decision-making for testing purposes.
Effect of Light Intensity and Exposure Duration on Cure of Resin Composite.
Clinical Relevance:
A 60-second cure time of resin increments not greater than 2 mm are recommended.
Awards
Clinician of the Year Award:
Distinguished Member Award:
Letters
Book Reviews
Abstracts
Editorial
Dental Insurance Companies: Partners or Adversaries?
Research
Abrasion Resistance of Restorative Glass-Ionomer Cements with a Light-cured Surface Coating.
Clinical Relevance:
The tested light-cured glazing agent hardened glass-ionomers better than the tested bonding agent.
Efficacy Testing of Visible-Light-curing Units.
Clinical Relevance:
A light meter is more efficacious in testing curing light performance than tactile testing.
Effect of a Distribution of Resistance Features in C omplex Amalgam Restorations.
Clinical Relevance:
Distributed pins provide more resistance than amalgapins or clustered pins.
Microporous Dentin Zone beneath Resin-impregnated Layer.
Clinical Relevance:
Creation of the hybrid zone during acid-etching of dentin may leave a leakage pathway beneath intact resin restorations capable of staining.
Histobacteriological Analysis of Acid Red Dye-stainable Dentin Found beneath Intact Amalgam Restorations.
Clinical Relevance:
Acid red dye application to dentin beneath existing amalgam restorations does not discriminate the infection status of the dentin.
Mercury Vapor Release during Insertion and Removal of Dental Amalgam.
Clinical Relevance:
Using dental amalgam poses minimal risk to dental personnel if handled and disposed of properly in an adequately ventilated room.
Awards
Award of Excellence:
Hollenback Prize:
Book Reviews
Abstracts
Editorial
Dental Benefits: Essential and Important.
Buonocore Memorial Lecture
Glass-Ionomer Cements: Past, Present, and Future.
Research
In Vitro Inhibition of Marginal Caries-like Lesions with Fluoride-containing Amalgam.
Clinical Relevance:
Fluoride-containing restorative materials inhibit carious lesion formation by Streptococcus mutans.
In Vitro Comparison of Filled and Unfilled Universal Bonding Agents of Amalgam to Dentin.
Clinical Relevance:
Amalgam can be bonded to dentin under these test conditions.
Bite Registration Using Impression Plaster.
Clinical Relevance:
A simple and cost-effective method of bite registration if presented.
The Antimicrobial Action of Chlorhexidiine-containing Zinc-Phosphate Cement.
Clinical Relevance:
A cement that inhibits cariogenic organisms in vitro without loss of strength is presented.
Fracture Toughness of Pin-retained Class 4 Restorations.
Clinical Relevance:
A tested pin technique gives a small increase in fracture resistance.
The Effect of Pulpal Fluid Flow on Tensile Bond Strength of a Glass-Ionomer Cement: An In Vivo and In Vitro Comparison.
Clinical Relevance:
Glass-ionomer bond strengths are weaker in vital teeth than in nonvital teeth.
Editorial
Better, Faster, Less Expensive.
Research
Bond Strength of Glass-Ionomers to Coronal and Radicular Dentin.
Clinical Relevance:
Glass-ionomer bond strength to dentin is improved by pretreatment with either 25% or 40% polyacrylic acid.
Decisions of Practitioners Regarding Placement of Amalgam and Composite Restorations in General Practice Settings.
Microleakage in Facial and Lingual Class 5 Composite Restorations: A Comparison.
Clinical Relevance:
There is no difference in adhesion between facial and lingual enamel and cementum.
Trends in Elastomeric Impression Materials.
The Effects of Varied Etching Time and Etching Solution Viscosity on Bond Strength and Enamel Morphology.
Clinical Relevance:
Etching times and etchant consistency are not critical to enamel bond strengths.
The Effect of Dentin Surface Moisture on Bond Strength to Dentin Bonding Agents.
Clinical Relevance:
For the products tested, the dentin's surface moisture did not affect bond strengths.
Letters
Book Reviews
Abstracts
Editorial
All the Right Reforms?
Research
Periodontal Complications Following Use of the Rubber Dam: a Case Report.
Depth of Composite Polymerization within Simulated Root Canals Using Light-transmitting Posts.
Clinical Relevance:
Light conducting plastic posts increase the depth of cure of filled resin in simulated root canals.
Effects of Dentin Air Abrasion with Aluminum Oxide and Hydroxyapatite on Adhesive Bond Strength.
Clinical Relevance:
Air abrasion of dentin does not significantly enhance the bond strength of composite to dentin using newer generation resin adhesive systems.
Retention of Paraposts Cemented with Dentin-bonded Resin Cements.
Clinical Relevance:
Paraposts cemented with two different dentin-bonded resin cements had significantly higher separation forces than those cemented with zinc phosphate cement.
Secondary Caries Formation In Vitro around Fluoride-releasing Restorations.
Clinical Relevance:
Fluoride releasing restorations inhibit caries-like lesions.
Microleakage of Five Dentinal Adhesives.
Clinical Relevance:
Both bond strength and microleakage of dentinal adhesives systems should be compared before making decisions with respect to clinical use.
The Effect of Various Surface Coatings on Fluoride Release from Glass-Ionomer Cement.
Clinical Relevance:
Coatings applied to glass-ionomer cements do not completely inhibit the release of fluoride.
Editorial
The Three Kinds of Dental Schools.
Research
A Modified Matrix Technique for the application of Rstorative Materials on the Facial Surface of Teeth.
Saliva Contamination of Dentin Bonding Agents.
Clinical Relevance:
Some dentin bonding agents may provide a degree of bonding in the presence of saliva.
The Effect of Various Bases on the Fracture Resistance of Amalgam.
Clinical Relevance:
Visible-light-curing bases may be too weak to support amalgam restorations.
Effects of Secondary Curing on Indirect Posterior Composite Resins.
Clinical Relevance:
Although individual composite resin inlay materials vary in mechanical properties, the primary benefit of laboratory curing is improved flexural strength.
Verification and Maintenance of Dental Explorer Sharpness.
Clinical Relevance:
Examination variability can be minimized by standardizing explorer sharpness.
Amalgam Shear Bond Strength to Dentin using Different Bonding Agents.
Clinical Relevance:
The bond strength of amalgam to dentin was significantly higher with Amalgambond Plus using the High-Performance Additive than with the other four bonding agents.
Placement and Replacement of Amalgam Restorations in Germany.
Clinical Relevance:
Secondary caries is the most common reason for replacement of amalgam in Germany.
Abstracts
Book Reviews
Letters
(C) Operative Dentistry, 1994