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Related Experiment Video

Updated: Jul 16, 2025

Development of Amelogenin-chitosan Hydrogel for In Vitro Enamel Regrowth with a Dense Interface

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Published on: July 10, 2014

Formulating an altered dentin substrate to improve dentin bonding.

Yaoxin Wang¹, Zijing Chang², Ning Ding³

¹Graduate student, Beijing Institute of Dental Research, School of Stomatology, Capital Medical University, Beijing, PR China.

The Journal of Prosthetic Dentistry

|September 20, 2023

Summary

This summary is machine-generated.

Stannous fluoride (SnF2)-containing etchants significantly enhance dentin bonding and antibacterial properties compared to sodium fluoride (NaF) etchants. This study demonstrates SnF2

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Published on: December 20, 2024

Area of Science:

Dental Materials Science
Biomaterials Engineering
Caries Research

Background:

Secondary caries is a primary cause of dental restoration failure.
Limited research exists on creating acid-resistant and antibacterial dentin to enhance bonding.

Purpose of the Study:

To compare the effects of two fluoride etchants on dentin bonding.
To explore altering dentin substrate for improved bonding using fluoride etchants.

Main Methods:

Formulated NaF- and SnF2-containing etchants with 35% phosphoric acid.
Evaluated dentin using SEM, EDS, FTIR, microhardness, antierosion, and antibacterial tests.
Measured microtensile bond strength (µTBS) and analyzed fracture modes.

Main Results:

SnF2 etchants promoted remineralization and mineral formation on dentin.
The SnF2-containing group S1 exhibited the highest µTBS (77.5 MPa).
Group S2 showed superior antierosion and antibacterial properties.

Conclusions:

SnF2-containing etchants improve dentin substrate, remineralization, and bonding strength.
SnF2 enhances antibacterial ability and acid erosion resistance compared to NaF etchants.