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Formaldehyde evaluation from endodontic materials.

B I Cohen, M K Pagnillo, B L Musikant

    Oral Health
    |May 14, 1999
    PubMed
    Summary
    This summary is machine-generated.

    AH-Plus, an endodontic sealing cement, released minimal formaldehyde (3.9 ppm), making it suitable for dental use. EZ-Fill and AH-26 also released formaldehyde, but in higher concentrations.

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    Area of Science:

    • Dental Materials Science
    • Endodontics
    • Toxicology

    Background:

    • Formaldehyde release from endodontic materials is a clinical concern.
    • Understanding the biocompatibility of root canal sealants is crucial for patient safety.

    Purpose of the Study:

    • To quantify and compare formaldehyde release from three endodontic sealing cements: AH-Plus, EZ-Fill, and AH-26.
    • To evaluate the safety of these materials based on formaldehyde emission levels.

    Main Methods:

    • Formaldehyde release was measured using High Performance Liquid Chromatography (HPLC).
    • Detection limit of the HPLC method was 0.25 ppm.
    • Data was collected after two experimental runs for each cement.

    Main Results:

    • AH-Plus (two-paste system) exhibited the lowest formaldehyde release (0.00039%, 3.9 ppm).
    • EZ-Fill (powder-liquid mix) released 0.054% (540 ppm) formaldehyde.
    • AH-26 (powder-liquid mix) showed the highest formaldehyde release (0.1347%, 1347 ppm).

    Conclusions:

    • AH-Plus and EZ-Fill demonstrate low formaldehyde release, supporting their use as endodontic sealing cements.
    • AH-26 releases a significantly higher amount of formaldehyde compared to AH-Plus and EZ-Fill.
    • Further research may be needed to assess the long-term clinical implications of formaldehyde release from AH-26.