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[Effect of dentin inorganic material during dentin bond]
Summary
Dentin inorganic material enhances dentin bond strength. Treating dentin with an acid-salt solution and sodium hypochlorite significantly increased tensile bond strength compared to the control group.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
Context:
- Dentin bonding is crucial for dental restorations.
- Understanding the role of dentin components is essential for improving bond durability.
Purpose:
- To investigate the effect of dentin inorganic material on dentin bond strength.
- To evaluate the efficacy of a novel dentin treatment method.
Summary:
- Tensile bond strength (TBS) was measured between a 4-META/MMA-TBB resin and dentin.
- Dentin treated with an acid-salt pretreating solution system (APSS) followed by sodium hypochlorite (NaOCl) showed significantly higher TBS (5.93 MPa) compared to the control (3.71 MPa).
- APSS removed the smear layer, while NaOCl resolved collagen and revealed inorganic dentin material.
Impact:
- Dentin inorganic material plays a significant role in achieving robust dentin bonds.
- This finding suggests potential for new dentin treatment strategies to improve adhesion in restorative dentistry.