Method for preparing anti-secondary caries cavity repairing material
A technology for cavity restoration and secondary caries, applied in dental preparations, pharmaceutical formulations, medical science, etc., can solve the problems of unstable release of fluorine from inorganic fluorine salts, reduction of overall strength, toughness and wear resistance of composite resins, etc.
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[0042] Example 1:
[0043] Weigh 10.00 grams of the fluorine-loaded zirconium dioxide nanotubes, 50.00 grams of barium-strontium-boron glass powder, and 40.00 grams of boron-aluminum glass powder, and mix the above three components uniformly by mechanical stirring to make a total The nano-inorganic powder containing multiple ingredients weighing 100.00 grams is reserved.
[0044] 2.50 g of medical grade silane coupling agent KH-570 is hydrolyzed under the action of acetic acid, and 40 ml of hydroalcoholic solution is added. The volume ratio of water to alcohol in the hydroalcoholic solution is 70 to 30. Then, 22.00 g of the above-mentioned The pre-mixed nano-inorganic powder containing multiple ingredients is dispersed in ultrasonic, and then reacted at 50°C for 24 hours, moved to an oven, dried at 80°C for 10 hours, and then used with the hydroalcohol The solution is washed, and then dried at 100°C for 10 hours. After drying, it is pulverized to prepare a modified nano-inorganic ...
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[0046] Example 2:
[0047] Weigh 80.00 grams of the fluorine-loaded zirconium dioxide nanotubes, 15.00 grams of barium-strontium boron glass powder, and 5.00 grams of nano-hydroxyapatite, and mix the above three components uniformly by mechanical stirring to make Nano inorganic powder with a total weight of 100.00 grams containing multiple ingredients, ready for use.
[0048] 2.00 g of medical grade silane coupling agent KH-570 was hydrolyzed under the action of acetic acid, and 400 ml of hydroalcoholic solution was added. The volume ratio of water to alcohol in the hydroalcoholic solution was 5 to 95. Then, 87.00 g of the above-mentioned had been added. The pre-mixed nano inorganic powder containing multiple ingredients is dispersed in ultrasonic, and then reacted at 100°C for 2 hours, then moved to an oven, first dried at 80°C for 2 hours, and then used with the hydroalcohol The solution is washed, and then dried at 80°C for 2 hours, and then heated to 100°C for further drying f...
Example Embodiment
[0050] Example 3:
[0051] Weigh 45.00 grams of the fluorine-loaded zirconium dioxide nanotubes, and 25.00 grams of barium strontium boron glass powder, and, 10.00 grams of nano-hydroxyapatite, and, 5.00 grams of strontium glass powder, and, 5.00 grams of boron aluminum glass powder , And, 10.00 grams of commercially available barium-aluminum glass powder, uniformly mix the above multiple components by mechanical stirring, and make a total weight of 100.00 grams of nano inorganic powder containing multiple components for use.
[0052] 10.00 g of medical grade silane coupling agent KH-570 is hydrolyzed under the action of acetic acid, and 200 ml of hydroalcoholic solution is added. The volume ratio of water to alcohol in the hydroalcoholic solution is 2.4 to 1.0. Then, 55.00 g of the above-mentioned The pre-mixed nano inorganic powder containing multiple ingredients is dispersed in ultrasonic, and then reacted at 100°C for 2 hours, then moved to an oven, first dried at 80°C for 2 ho...
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