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A tooth substance saving restorative technique.

H Hosoda, T Fusayama

    International Dental Journal
    |March 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    The Black system for dental restorations uses mechanical retention, often requiring painful dentin removal. A new technique uses dyes and adhesive resins to selectively remove decay, minimizing pain and preserving tooth structure.

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    Area of Science:

    • Dentistry
    • Restorative Dentistry
    • Dental Materials Science

    Background:

    • The Black system relies on mechanical retention, necessitating sound dentin preparation which can cause pain and pulpal irritation.
    • Conventional caries removal depends on visual cues and tactile sensation, which may be insufficient for complete infected dentin removal.
    • Carious dentin comprises two distinct layers: an infected, necrotic superficial layer and an uninfected, remineralizable deeper layer.

    Purpose of the Study:

    • To introduce a tooth substance-saving restorative technique.
    • To eliminate pain associated with caries removal.
    • To improve the efficacy of infected dentin removal and restorative material adhesion.

    Main Methods:

    • Utilizing a dye to differentiate between infected and uninfected dentin layers.

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  • Selective removal of the stained, necrotic superficial carious dentin layer.
  • Employing chemically adhesive composite resins for restoration.

    • Main Results:

    • Pain during caries removal is significantly reduced by selective removal of the stained superficial layer.
    • Complete removal of infected dentin is achieved while preserving vital tooth structure.
    • Chemically adhesive composite resins demonstrate adhesion to enamel, sound dentin, and the deeper layer of carious dentin.

    Conclusions:

    • The described technique effectively differentiates and removes infected carious dentin, minimizing patient discomfort.
    • This approach negates the need for invasive cutting of sound dentin for mechanical retention.
    • The use of adhesive composite resins offers a viable alternative to traditional restorative materials like amalgam.