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Related Concept Videos

Superposition Theorem01:18

Superposition Theorem

The superposition principle is a fundamental concept stating that in a linear circuit, the voltage across (or current through) an element can be determined by summing the individual contributions of each independent source acting in isolation. When dealing with linear circuits containing multiple independent sources, this principle serves as a valuable tool for analysis. To apply the superposition principle effectively, one should focus on a single independent source at a time while...
Strategies for Assessing and Addressing Confounding01:25

Strategies for Assessing and Addressing Confounding

Confounding is a critical issue in epidemiological studies, often leading to misleading conclusions about associations between exposures and outcomes. It occurs when the relationship between the exposure and the outcome is mixed with the effects of other factors that influence the outcome. Given that, addressing confounding is of high importance for drawing accurate inferences in research.
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Method of Superposition01:20

Method of Superposition

The method of superposition is a crucial technique in structural engineering, used to analyze the effect of multiple loads on beams. This approach involves calculating the deflection and slope for each load on a beam separately, and then summing these effects to determine the overall impact. It is applicable only when the beam material remains within its elastic limit, ensuring that deformations are linearly elastic.
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Composite Bodies00:55

Composite Bodies

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Woodward–Hoffmann Selection Rules and Microscopic Reversibility01:34

Woodward–Hoffmann Selection Rules and Microscopic Reversibility

Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
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Updated: Jun 5, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
09:49

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

Experts' Willingness to Restore With Direct Composite: Complexity, Cuspal Coverage, and Techniques.

Oliver Bailey, Frank Pfefferkorn, Thomas Attin

    The Journal of Adhesive Dentistry
    |June 4, 2026
    PubMed
    Summary
    This summary is machine-generated.

    Dental experts showed varied willingness to perform direct composite restorations on complex class II cavities. Cavity complexity significantly influenced technique and material choices for direct restorations.

    Keywords:
    adhesive dentistryclass II restorationdeep margin elevationdirect composite resin restorations

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    Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation
    08:45

    Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation

    Published on: July 21, 2014

    Area of Science:

    • Dental materials science
    • Restorative dentistry
    • Clinical dentistry

    Background:

    • Limited evidence exists on how class II cavity complexity impacts direct composite restoration.
    • Understanding the influence of complexifying factors on technique and material selection is crucial.

    Purpose of the Study:

    • To assess experts' willingness to restore class II cavities with direct composites.
    • To determine how cavity characteristics influence restoration decisions and cuspal coverage.
    • To investigate the effect of cavity presentation on technique and material choices.

    Main Methods:

    • An e-questionnaire was distributed to 67 experts in direct composite restoration.
    • Vignettes of class II cavities with varying complexifying factors were presented.
    • Regression analyses examined willingness to restore and choices of materials/techniques.

    Main Results:

    • A 78% response rate was achieved, revealing significant variation in willingness to restore complex class II cavities.
    • Factors like bridging gaps, root fillings, broad boxes, multiple surfaces, and deep margins influenced restoration decisions.
    • Complex cavities led to modified material and technique usage, including specific band types and rubber dam use.

    Conclusions:

    • Cavity complexity significantly affects dentists' willingness to perform direct composite restorations.
    • Adaptability in techniques correlates with a greater readiness to manage more complex class II cavities.