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Related Experiment Video

Updated: Oct 21, 2025

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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3D Digital Evaluation for Direct Composite Restoration Using the Modified Stamp Technique.

Kun Qian, Qi Lin Wang, Jie Pan

    The Chinese Journal of Dental Research
    |September 7, 2021
    PubMed
    Summary

    The modified stamp technique (MST) offers superior clinical performance for direct composite restorations compared to the conventional technique (CT). This innovative method resulted in significantly better morphological consistency of the occlusal surface.

    Keywords:
    cariesconventional techniquedirect composite restorationsmodified stamp technique

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    Area of Science:

    • Dentistry
    • Restorative Dentistry
    • Dental Materials

    Background:

    • Direct composite restorations are widely used for treating dental caries.
    • Ensuring accurate occlusal morphology is crucial for restoration success and longevity.
    • The modified stamp technique (MST) is a novel approach to direct composite restoration.

    Purpose of the Study:

    • To evaluate the clinical performance of the modified stamp technique (MST) in direct composite restorations.
    • To compare the morphological accuracy of restorations created with MST versus the conventional technique (CT).

    Main Methods:

    • A randomized clinical study involving 30 posterior teeth with caries.
    • Teeth were restored using either the MST or CT.
    • Intraoral scanners captured 3D images pre- and post-restoration for analysis using reverse engineering software.

    Main Results:

    • The modified stamp technique (MST) group showed significantly lower average root mean square (RMS) values for alignment errors (0.0738 ± 0.0279) compared to the conventional technique (CT) group (0.1638 ± 0.0682).
    • Statistical analysis (ANOVA, LSD) confirmed a significant difference (P < 0.01) between the groups, favoring the MST.
    • The MST demonstrated superior morphological consistency of the occlusal surface.

    Conclusions:

    • The modified stamp technique (MST) is an effective method for direct composite restorations.
    • MST provides better morphological accuracy of the occlusal surface compared to the conventional technique (CT).
    • This technique holds promise for improving the quality of direct composite restorations.