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Related Experiment Video

Updated: Jan 21, 2026

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

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Fluorescence-aided Composite Removal in Directly Restored Permanent Posterior Teeth.

C Dettwiler, F Eggmann, L Matthisson

    Operative Dentistry
    |August 3, 2019
    PubMed
    Summary
    This summary is machine-generated.

    The fluorescence-aided identification technique (FIT) significantly improves composite removal efficiency and selectivity in dental restorations. This method offers faster procedures with less tooth substance loss and composite residue compared to conventional techniques.

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    Related Experiment Videos

    Last Updated: Jan 21, 2026

    Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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    Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

    Published on: December 20, 2024

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    Area of Science:

    • Dental Materials Science
    • Restorative Dentistry
    • Biomaterials

    Background:

    • Composite restorations are common in posterior teeth.
    • Complete removal of old composite is crucial for successful re-restoration.
    • Conventional removal methods can be time-consuming and may damage tooth structure.

    Purpose of the Study:

    • To quantitatively compare the conventional composite removal technique with the fluorescence-aided identification technique (FIT).
    • To assess completeness, selectivity, and duration of composite removal.
    • To evaluate the efficacy of FIT in directly restored permanent posterior teeth.

    Main Methods:

    • Standardized direct class II composite restorations were removed from human tooth models.
    • Two techniques were compared: conventional (contra-angle handpiece) and FIT-supported.
    • Procedure duration was recorded, and completeness/selectivity were assessed volumetrically using 3D surface scans.

    Main Results:

    • FIT-supported removal was significantly faster (179s vs 329s).
    • FIT resulted in less tooth substance loss (2.77 mm³ vs 4.53 mm³).
    • FIT left less composite residue (0.53 mm³ vs 1.58 mm³).

    Conclusions:

    • FIT facilitates selective and expeditious removal of composite restorations.
    • This technique offers improved efficiency and preservation of tooth structure.
    • FIT is a promising adjunct for composite removal in clinical practice.