Abstract
A new type of magnetic circuit for dental magnetic attachment is proposed for use on vital teeth. The circuit is called an “integrated structure.” Fe-Pt alloy was selected as the magnetic material, as it is superior in corrosion resistance in the hostile oral environment. Thin-film technology, such as photolithography and sputtering, was used to fabricate the structure. The experimental manufacture has proved that the new structure is effective in greatly reducing the height of magnetic attachment, thus enabling the attachment to be applied on vital teeth.
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