Tooth desensitization composition and preparation method thereof
A composition and desensitization technology, applied in the field of oral care, can solve the problems of poor persistence of desensitization effect of tooth desensitization materials, and achieve the effect of lasting desensitization effect and realizing desensitization effect.
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[0051] Another object of the present invention is to provide a preparation method of the tooth desensitization composition as described above, the preparation method comprising the steps of:
[0052] S1: Using fluoride, phosphate, surfactant and nerve inhibitor as raw materials, mixing them to prepare component I;
[0053] S2: Preparation of micro-nano bioactive glass;
[0054] S3: Mix micro-nano bioactive glass, hydrophilic solvent, thickener, surfactant, penetrant and nerve inhibitor as raw materials to prepare component II.
[0055] In terms of parts by weight, the preferred amount of each raw material in step S1 of the present application is 0.2-0.5 parts of fluoride, 0.5-1.5 parts of phosphate, 0.5-1.5 parts of surfactant, and 0.5-1 part of nerve inhibitory agent, and a certain amount of acid-base regulator; and preferably, the osmotic pressure of the component I solution is greater than 350mOsm / L, and the pH is 5.0 to 6.0; the addition of each raw material in step S3 is...
Embodiment 1
[0071] This embodiment provides a preparation method of the tooth desensitization composition.
[0072] S1: In parts by weight, 0.2 parts of sodium fluoride, 1.4 parts of anhydrous potassium dihydrogen phosphate, 0.1 part of anhydrous disodium hydrogen phosphate, 1 part of sodium lauryl sulfate, and 0.5 parts of tea tree Oil, 0.35 parts of Tween 80, 0.15 parts of Span 80, mixed to prepare component I; (the phosphates are potassium dihydrogen phosphate and disodium hydrogen phosphate, and part of the potassium dihydrogen phosphate can also have nerve inhibitory effect the role of the agent);
[0073] S2: Preparation of micro-nano bioactive glass:
[0074] S21: Using 22.2g of anhydrous calcium chloride and 33.8g of aluminum chloride hexahydrate as raw materials, add solvent water and mix to prepare 200ml of solution A; the mass ratio of anhydrous calcium chloride to aluminum chloride hexahydrate is 0.66: 1;
[0075] S22: Using 18.4g of sodium tripolyphosphate and 33.9g of sodiu...
Embodiment 2
[0086] This embodiment provides a preparation method of the tooth desensitization composition.
[0087] S1: In parts by weight, mix 0.25 parts of sodium fluoride, 1.2 parts of anhydrous potassium dihydrogen phosphate, 0.08 parts of anhydrous dipotassium hydrogen phosphate, and 1.5 parts of sodium lauryl sulfate to prepare the composition Point I;
[0088] S2: Preparation of micro-nano bioactive glass:
[0089] S21: Using 22.2g of anhydrous calcium chloride and 33.8g of aluminum chloride hexahydrate as raw materials, add solvent water and mix to prepare 200ml of solution A; the mass ratio of anhydrous calcium chloride to aluminum chloride hexahydrate is 0.66: 1;
[0090] S22: Using 18.4g of sodium tripolyphosphate and 33.9g of sodium metasilicate pentahydrate as raw materials, add solvent water and mix to prepare 200ml of solution B; the mass ratio of sodium tripolyphosphate to sodium metasilicate pentahydrate is 0.54: 1;
[0091] S23: Add solution B through a peristaltic p...
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