Preparation method of dental bioactive zirconia ceramic material
A dental ceramic and bioactive technology, applied in dental preparations, dentistry, dental prosthesis, etc., can solve the problems of lack of bioactivity, interface corrosion, implant failure, etc., and achieve good bioactivity, improve bioactivity, and improve bioactivity Effect
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Embodiment 1
[0045] The application composition of this embodiment is SiO 2 ,40mol%; CaO,56mol%; P 2 o 5 , 4mol% bioactive glass to improve the bioactivity of yttrium partially stabilized tetragonal zirconia ceramics (Y-TZP), the specific process includes:
[0046] (1) According to the composition ratio, tetraethyl orthosilicate (TEOS, Si(OC 2 h 5 ) 4 )), dissolved in deionized water (orthosilicate: deionized water molar ratio is 1:10), adding 0.1mol / L of HNO 3 Adjust the pH to 1.67, stir with a mixer at a speed of 250r / min, and the stirring time is 60min;
[0047] (2) After observing that the solution in step (1) becomes clear, triethyl phosphate (TEP, OP(OC) 2 H5) 3 ), stirring at a speed of 250r / min, the stirring time is 60min;
[0048] (3) After the solution of observation step (2) becomes clear, the calcium nitrate (Ca(NO) added in according to the composition ratio 3 ) 2 4H 2 (0), stirring at a speed of 250r / min, the stirring time is 60min;
[0049] (4) Obtain the bioacti...
Embodiment 2
[0063] The application composition of this embodiment is SiO 2 ,90mol%; CaO,18mol%; P 2 o 5 , 1mol% bioactive glass infiltration modification to improve the bioactivity of magnesium partially stabilized zirconia ceramics (Mg-TZP), the specific process includes:
[0064] (1) According to the composition ratio, the tetraethyl orthosilicate (TEOS, Si(OC 2 h 5 ) 4 )), dissolved in an appropriate amount of deionized water (tetraethyl orthosilicate: deionized water molar ratio is 1:10), adding 0.1mol / L of HNO 3 Adjust the pH to 1.35, stir at a speed of 450r / min, and stir for 50min;
[0065] (2) After observing that the solution in step (1) becomes clear, triethyl phosphate (TEP, OP(OC) 2 H5) 3 ), stirred at a speed of 450r / min, and the stirring time was 50min;
[0066] (3) After the solution of observation step (2) becomes clear, the calcium nitrate (Ca(NO 3 ) 2 4H 2 (0), stirring at a speed of 450r / min, the stirring time is 50min;
[0067] (4) Obtain the bioactive glass...
Embodiment 3
[0075] The application composition of this embodiment is SiO 2 ,80mol%; CaO,16mol%; P 2 o 5 , 4mol% bioactive glass infiltration modification to improve the bioactivity of selenium partially stabilized zirconia ceramics (Ce-TZP), the specific process includes:
[0076] (1) According to the composition ratio, tetraethyl orthosilicate (TEOS, Si(OC 2 h 5 ) 4 )), dissolved in deionized water (orthosilicate: deionized water molar ratio is 1:10), adding 0.1mol / L of HNO 3 Adjust the pH to 2.50, stir at a speed of 650r / min, and stir for 40min;
[0077] (2) After observing that the solution in step (1) becomes clear, triethyl phosphate (TEP, OP(OC) 2 H5) 3 ), stirred at a speed of 650r / min, and the stirring time was 40min;
[0078] (3) After the solution of observation step (2) becomes clear, the calcium nitrate (Ca(NO 3 ) 2 4H 2 (0), stirring at a speed of 650r / min, the stirring time is 40min;
[0079] (4) Obtain the bioactive glass precursor sol after the solution in the ...
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