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[Gutta-percha cones: chemical composition, X-ray analysis].

J Marciano, P M Michailesco, C Charlot

    Journal D'Odontologie Conservatrice
    |January 1, 1989
    PubMed
    Summary

    Dental gutta-percha cones show significant chemical variation. This heterogeneity exists between different brands and even within the same brand across sizes.

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    Area of Science:

    • Dental Materials Science
    • Polymer Chemistry
    • Analytical Chemistry

    Background:

    • Gutta-percha is a primary root canal filling material.
    • Standardization of gutta-percha cone composition is crucial for predictable clinical outcomes.
    • Previous studies have indicated variability, but comprehensive analysis is needed.

    Purpose of the Study:

    • To determine the chemical composition of commercially available dental gutta-percha cones.
    • To assess the degree of chemical heterogeneity among different brands and sizes.

    Main Methods:

    • Analysis of 10 brands of commercially available dental gutta-percha cones.
    • Chemical composition determination.
    • Confirmation using X-ray diffraction analysis.

    Main Results:

    • Significant chemical heterogeneity was observed among gutta-percha cones.
    • Variations were found between cones of different origins (brands).
    • Intra-brand heterogeneity was noted between small and large cone sizes.

    Conclusions:

    • Commercial dental gutta-percha cones exhibit considerable chemical variability.
    • This heterogeneity may impact the material's properties and clinical performance.
    • Further standardization efforts for gutta-percha manufacturing are warranted.

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