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Review and Preview01:10

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In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
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Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
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Related Experiment Video

Updated: Feb 12, 2026

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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Nanofilled Resin Composite Properties and Clinical Performance: A Review.

H Alzraikat, M F Burrow, G A Maghaireh

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    Nanofilled resin composites offer mechanical properties comparable to hybrid composites, with lower wear but higher water absorption. Their clinical performance is similar to hybrid materials, making them a viable option in restorative dentistry.

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    Area of Science:

    • Dental Materials Science
    • Biomaterials Engineering

    Background:

    • Nanofilled resin composites represent an advancement in dental restorative materials.
    • Understanding their properties and clinical outcomes is crucial for material selection.

    Purpose of the Study:

    • To review recent evidence on nanofilled resin composites.
    • To compare their mechanical properties and clinical performance against hybrid resin composites.

    Main Methods:

    • Systematic literature search of PubMed and MEDLINE (2003-2017).
    • Inclusion of 82 peer-reviewed papers on nanocomposites and clinical evaluation.
    • Analysis focused on mechanical properties and clinical performance metrics.

    Main Results:

    • Nanocomposite mechanical properties are comparable to hybrid composites, superior to microfilled composites.
    • Nanocomposites exhibit lower abrasive wear but higher water sorption than hybrid composites.
    • Clinical performance, including retention, success rates, and aesthetics, is comparable between nanocomposites and hybrid composites.

    Conclusions:

    • Nanofilled resin composites demonstrate comparable mechanical properties and clinical performance to hybrid resin composites.
    • While exhibiting lower wear, nanocomposites show increased water sorption.
    • These findings support the use of nanofilled resin composites in clinical practice.