Desensitization oral composition and preparation method and application thereof

Abstract

The invention belongs to the technical field of oral cavity articles, and provides a desensitization oral composition and a preparation method and application thereof. The desensitization oral composition disclosed by the invention comprises micron-sized hydroxyapatite coated calcium carbonate and micron-sized precipitated silicon dioxide. The mass fraction of the micron-sized hydroxyapatite coated calcium carbonate in the oral composition is 0.1%-30%, and the mass fraction of the micron-sized precipitated silicon dioxide in the oral composition is 0.1%-30%. The invention provides a desensitization oral composition free of sylvite and strontium salt. The desensitization effect is achieved by adding an oral composition of micron-sized hydroxyapatite coated calcium carbonate and micron-sizedprecipitated silicon dioxide; as the sizes of the two materials are smaller than the pore diameter (generally 3-5 microns) of the dental canaliculus, the dental canaliculus can be filled up during tooth brushing, and a channel between dental pulp nerves and the outside is blocked, so that the dental nerves cannot be stimulated by cold, hot, sour and sweet of the outside, and the effect of desensitizing teeth can be achieved when the desensitization oral composition is used every day.

Description

technical field [0001] The invention relates to the technical field of oral products, in particular to a desensitizing oral composition and its preparation method and application. Background technique [0002] Current scientific research has found that dentin sensitivity is caused by tooth decay or mechanical wear, which leads to the loss of enamel. The dental tubules originally covered by enamel are exposed, and the pulp nerves in the dental tubules are stimulated by external cold, hot, sour and sweet. An unbearable soreness. Dental tubules can therefore be plugged with active substances. [0003] At present, the active substances used in oral products that claim to have tooth desensitization or anti-sensitivity effects are basically 5% potassium salt or 10% strontium salt as a desensitization agent. The technology of using potassium salt or strontium salt has an obvious disadvantage that it has a strong sense of bitterness and strong masking of essence, which has a great...

AI Technical Summary

Problems solved by technology

The technology of using potassium salt or strontium salt has an obvious disadvantage, that is, the bitterness and strong masking of flavor, which have a great negative impact on the taste

Because the taste of potassium salt and strontium salt is relatively bitter, and salt products are easy to defoam, so there are fewer bubbles when brushing teeth, and it feels that the teeth are not brushed clean; in addition, the desensitization effect of salt is short-lasting

The above shortcomings make consumers less accepting of such desensitization products, which is not conducive to the promotion of products

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