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Related Experiment Videos

Variations in same-size endodontic files.

T P Serene, C Loadholt

    Oral Surgery, Oral Medicine, and Oral Pathology
    |February 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Variations in endodontic files (K-type, style B, stainless steel) were measured. Most same-size files varied within 3mm, but adjacent sizes often differed by 5mm or more, with 74% of variation originating from the file itself.

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    Area of Science:

    • Endodontics
    • Materials Science
    • Dental Instrumentation

    Background:

    • Endodontic files are crucial for root canal treatment.
    • Ensuring dimensional accuracy of endodontic files is vital for procedural success.
    • Variations in file size can impact treatment outcomes and instrument longevity.

    Purpose of the Study:

    • To quantify dimensional variations in same-size endodontic files (K-type, style B, stainless steel).
    • To assess the variation between adjacent file sizes within the same manufacturing group.
    • To identify the primary source of dimensional discrepancies in endodontic files.

    Main Methods:

    • Utilized a three-dimensional gauge to measure variations in endodontic files.
    • Analyzed dimensional differences between multiple files of the same nominal size.

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  • Compared the dimensions of the largest file of one size group to the smallest file of the next size group.

    • Main Results:

    • Most same-size endodontic files exhibited variations within 3mm.
    • Significant variations (5mm or more) were observed between the smallest file of one size and the largest file of the adjacent size.
    • Approximately 74% of the total detected variations were attributed to the endodontic files themselves.

    Conclusions:

    • Dimensional inconsistencies exist within same-size and between adjacent-size endodontic files.
    • The manufacturing of the files is the predominant source of these dimensional variations.
    • Recommendations for the clinical use of endodontic files are provided based on the findings.