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Bonding composite resin to AUM20

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I'm a PhD student. I have used dental magnetic attachments which is coated by stainless steel (AUM20) in clinical procedure. And I am researching about the bonding strength between stainless and composite resin in my PhD course.

Would you suggest me the best acid to be used to etch magnetic stainless steel(AUM20)in oreder to bond to composite resin .

Gamal Burawi
student - Newcastle upon Tyne, UK

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Dear Gamal,

Try any reducing acid ... HCl maybe the best solution ... but I'm not a chemist.

Freeman Newton - White Rock, British Columbia, Canada

Ed. note:
Please keep Freeman in your thoughts
& prayers.

Message from Freeman, Dec. 2010

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