Use and preparation method of alkaline coating on the surface of dental zirconia ceramics
A zirconia ceramic and dental technology, applied in the direction of dental preparations, dentistry, dental prosthesis, etc., to achieve the effects of enhancing bonding strength, improving clinical service life, and enhancing hydrolysis resistance
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[0027] The coating of the present invention uses nanometer zirconium hydroxide as the main component, is prepared by a nanometer zirconium hydroxide suspension dropping method or brushing method, and is formed after a certain heat treatment procedure. Before treating dental zirconia ceramic restorations with ceramic primers containing phosphate monomer MDP that are currently on the market, first use one of the following options:
[0028] Option 1, use the prepared lye to treat the ceramic bonding surface. The lye is a suspension with a pH value between 10-14. Its components are sodium carbonate, sodium bicarbonate, and sodium hydroxide aqueous solution Any one of them is mixed with 5-10wt% zirconium hydroxide. Shake well before use, drop it on the ceramic surface, let it evaporate naturally for 1-3 minutes and then blow dry.
[0029] Option 2, configure 10-20wt% zirconium hydroxide aqueous suspension, the pH value can be between 10-14, shake well before use, apply the zirconi...
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