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Solvent Bonding for Fabrication of PMMA and COP Microfluidic Devices

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Published on: January 17, 2017

Bonding to silicate ceramics: Conventional technique compared with a simplified technique.

Juan-Luis Román-Rodríguez¹, Jorge-Alonso Perez-Barquero¹, Eva Gonzalez-Angulo¹

¹Associate Lecturer, Department of Dental Medicine, Prosthodontic and Occlusion Teaching Unit, University of Valencia, University of Valencia General Studies (UVGS), Spain.

Journal of Clinical and Experimental Dentistry

|March 17, 2017

Summary

A simplified ceramic surface treatment using ammonium polyfluoride maintains bond strength compared to conventional hydrofluoric acid etching. This new method reduces steps and toxicity in dental bonding procedures.

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Area of Science:

Dental Materials Science
Biomaterials Engineering
Adhesive Dentistry

Background:

Conventional silicate ceramic bonding relies on hydrofluoric acid (HF) etching and silane application.
A simplified technique replaces HF with ammonium polyfluoride, reducing procedural steps and toxicity.
This study compares the bond strength of conventional and simplified ceramic surface treatments.

Purpose of the Study:

To evaluate the shear bond strength of a simplified ceramic surface treatment.
To compare the simplified technique with the conventional hydrofluoric acid etching method.
To assess the clinical feasibility of reducing steps in ceramic bonding.

Main Methods:

Twenty IPS emax CAD® ceramic samples were divided into two groups (n=10).
Group 1 (G1) received conventional HF etching and silane treatment.
Group 2 (G2) received a simplified treatment with ammonium polyfluoride and silane (Monobond Etch&Prime).
Resin cement cylinders were bonded, followed by shear bond strength testing.

Main Results:

The conventional group (G1) achieved a mean shear bond strength of 26.53±6.33 MPa.
The simplified group (G2) achieved a mean shear bond strength of 23.52±8.41 MPa.
No statistically significant difference in bond strength was observed between the two groups.

Conclusions:

The simplified ceramic surface treatment using ammonium polyfluoride yields comparable bond strength to the conventional HF method.
Monobond Etch&Prime offers a simplified, potentially less toxic alternative for bonding to ceramic materials.
Further research is needed to confirm these preliminary findings on shear bond strength.