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Zinc phosphate cement binding material for dental department
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A bonding material, zinc phosphate technology, applied in dentistry, dental preparations, dental prosthesis, etc., can solve the problems of pulp and gum irritation, human body discomfort, etc., and achieve the effect of reducing acidity
Active Publication Date: 2012-07-25
CHENGDU XINJIN SHIFENG MEDICAL APP ANDINSTR CO LTD
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Abstract
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Problems solved by technology
However, the existing zinc phosphate cement bonding materials will release free phosphoric acid during and after solidification, which can stimulate the dental pulp and gums and make the human body feel uncomfortable.
Method used
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[0015] Weigh the liquid preparation: 100 g of orthophosphoric acid, 4 g of aluminum oxide, 4 g of zinc oxide, and 40 g of water.
[0016] Prepared products: Blend according to the ratio of 1ml of liquid preparation per 2g of powder. After mixing evenly, the bonding of the tooth and the surface of the restoration needs to be completed within 5 minutes.
[0019] Weigh the liquid preparation: 100 g of orthophosphoric acid, 12 g of aluminum oxide, 12 g of zinc oxide, and 50 g of water.
[0020] Prepared products: Blend according to the ratio of 1ml of liquid preparation per 2g of powder. After mixing evenly, the bonding of the tooth and the surface of the restoration needs to be completed within 5 minutes.
[0023] Weigh the liquid preparation: 100 g of orthophosphoric acid, 20 g of aluminum oxide, 20 g of zinc oxide, and 60 g of water.
[0024] Prepared products: Blend according to the ratio of 1ml of liquid preparation per 2g of powder. After mixing evenly, the bonding of the tooth and the surface of the restoration needs to be completed within 5 minutes.
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Abstract
The invention discloses an improved zinc phosphate cement binding material for dental department. The binding material comprises powder and liquid. The powder comprises the following components: 100 parts of zinc oxide, 10 to 15 parts of magnesium oxide, 3 to 5 parts of silicon dioxide, 1 to 2 parts of bismuth oxide, and 3 to 5 parts of sodium carbonate. The liquid comprises the following components: 100 parts of orthophosphoric acid, 4 to 20 parts of aluminum oxide, 4 to 20 parts of zinc oxide, and 40 to 60 parts of water. The powder and the liquid are blended in a ratio of every 2 grams of powder to 1 milliliter of liquid. The prepared oral binding material is paste with certain flowability before solidification, and can penetrate fine structures on the surfaces of teeth and a recoveredbody so as to play a binding role. The binding material has good mechanical property, greatly weakens the acidity, and does not bring obvious stimulating sense to a patient.
Description
technical field [0001] The invention relates to the field of dental medicine, in particular to an improved dental zinc phosphate cement bonding material. Background technique [0002] Cement usually refers to a kind of inorganic non-metallic material with bonding effect that can solidify after mixing metal salt or other oxides as powder and special liquid. It is mainly used for various restorations (usually between teeth and restorations). ) bonding. Zinc phosphate cements are the most commonly used of these. Zinc phosphate cement has good mechanical properties such as compressive strength, tensile strength and hardness, and can play a good bonding role between teeth and restorations. However, the existing zinc phosphate cement bonding materials will release free phosphoric acid during and after solidification, which can stimulate the dental pulp and gums and make the human body feel uncomfortable. In a short period of time after the powder liquid is reconciled, it can be...
Claims
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): A61K6/033A61K6/027A61K6/838
Inventor 杨晓龙
Owner CHENGDU XINJIN SHIFENG MEDICAL APP ANDINSTR CO LTD
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