JPS58180420A - Washing agent for denture - Google Patents

Abstract

PURPOSE:A washing agent for a denture, containing the first dyestuff, e.g. Phloxine, and the second dyestuff, e.g. Brilliant Blue, in specific amounts respectively in a specific washing agent for the denture containing an oxygen type bleaching agent as a main washing agent, and capable of indicating the washing effect by the color change, and washing effectively the denture. CONSTITUTION:A washing agent for a denture, containing 1X10<-4>-3X10<-2>wt% based on the total composition, the first dyestuff selected from Phloxine and Acid Red, and 1X10<-4>-1X10<-1>wt%, based on the total composition, the second dyestuff selected from Brilliant Blue, Tartrazine and uranine, in a washing agent for the denture containing 20wt% or more, based on the total composition, oxygen type bleaching agent. The mixing weight ratio between the first and second dyestuffs is preferably (1:50)-(20:1). The composition is dissolved in water in an amount of 10-50 times of that of the composition and used as >=8pH. The washing agent for the denture is capable of informing the user clearly of the completion of the sterilization or the removal of contaminants respectlvey by the color change thereof, very easily usable, and carrying out the washing neither too much nor too less.

Description

[Detailed description of the invention] The present invention relates to a denture cleaning agent that effectively cleans dentures.

In the early stages, denture stains are mainly caused by bacteria and their products, and this 61 iW is also said to be the cause of denture stomatitis. In addition, over time, dentures gradually become stained due to the deposition of proteins and calcium salts in saliva, pigmentation from drinks such as coffee and tea, and the deposition and adhesion of contaminants such as cigarette smoke.

For this reason, when cleaning the teeth, it is necessary to frequently sterilize and clean the pot to remove bacteria and their products attached to the dentures, as well as to prevent the dentures from sinking and adhering to the above-mentioned contaminants. If they become dirty, cleaning operations must be performed to remove them.

However, when cleaning dentures to sterilize them or remove stuck-on contaminants, users currently rely on their intuition, and as a result, sterilization or contaminant removal is not completely completed. In some cases, the cleaning operation may be interrupted before the cleaning process is completed, or the cleaning may be performed excessively. In particular, denture cleaners that use oxygen bleach as the main cleaning agent have been known, but according to the findings of the present inventors, this yuzu denture cleaner requires at least 10% The dentures must be soaked in the cleaning solution for at least 6 hours to remove stubborn contaminants. However, when users use this yuzu cleaning agent, the reality is that the sterilization and contaminant removal effects of the cleaning agent are not fully demonstrated. In addition to using a denture cleaning agent that can effectively exhibit the effect, it also contains 1 x 10-4 to 3 And the second dye released from uranine is IX10-'~lXl0-
% and dissolve it in 10 to 50 times as much water as p
When used at H8 or higher, the color of the detergent solution changes from blue or yellow to red after 10 to 30 minutes of use, further changes to colorless after 6 to 10 hours of use, and becomes blue or yellow. The first discoloration from red to red ensures that the denture has been sterilized, and that the denture has been cleaned of maple contaminants that have settled on the denture, thus preventing any discoloration during use. It was found that this reliably signals the end of sterilization or contaminant removal. Therefore, it is very easy to use as it can clearly notify the user when the cleaning has finished, and the denture can be reliably sterilized or cleaned according to the purpose by fully demonstrating its sterilization or contaminant cleaning effect. The present inventors have discovered that the above object can be satisfactorily achieved, leading to the present invention.

The present invention will be explained in more detail below.

The denture cleaning agent according to the present invention has an oxygen bleaching agent as a main cleaning agent, and is usually formed in a solid form such as powder, granules, or tablets, and is used in a system in which the pH is adjusted to 8 or higher by dissolving it in water before use. It is something to do. In this case, the oxygen bleaches include sodium perborate, sodium percarbonate, sodium persulfate, sodium peroxide, potassium peroxyhydrogen sulfate (Oxone: DuPont product name, Kl (SO, K).
One or more buildings such as 陀04.2KH8O5) can be used. The blending amount of these oxygen bleaches is 20% or more, preferably 20 to 80%, and more preferably 40 to 60% of the total detergent. If the blending amount of bleach is less than 20%, the cleaning power will be poor. .

The tooth cleaning agent of the present invention uses the above-mentioned oxygen bleach as the main cleaning agent, and contains 1 x 10 to 3 x 10% of the first pigment derived from 70 xin and acid red to the total amount of the cleaning agent.
Preferably 0.0005 to 0.005% and a second dye selected from brilliant blue, tartrazine and uranine are added in an amount of 1×10−1×10%, preferably o, ooi to 0.05% of the total detergent. be. By using these first and second pigments in combination in this way, it is possible to change the color of the cleaning solution from the initial blue or yellow color to red after 10 to 30 minutes during use, and at the time of this color change, it is possible to change the color of the cleaning solution from the initial blue or yellow color to red. It is possible to complete sterilization, and therefore, the completion of sterilization can be clearly indicated by a change in color from blue or yellow to red. Furthermore, the color of the detergent solution can change to colorless after 6 to 10 hours, and at the time of this color change, it can prevent the deposition of proteins and calcium salts in saliva, and the deposition of pigments in drinks such as coffee and tea. Contaminants stuck to dentures, such as a layer of cigarette smoke, can be reliably removed by using a specific amount of the cleaning agent, and therefore, the color change to colorless can be used as an indicator of the contaminant removal effect. It is something.

On the other hand, if the blending amounts of the first dye and the second dye are varied beyond the above range, the color change time will change and the end point of washing will not be accurately indicated. For example, if the amount of the second dye is too small, the initial discoloration time will be too fast, and the end point will be displayed before sterilization is complete; on the other hand, if the amount of the second dye is too large, the sterilization will not be completed. However, the end point is not displayed, and the end point is displayed after a considerable period of time after sterilization is completed.

In addition, for the first dye and the second dye, one yuzu of the group may be used alone, or two or three yuzu may be used in combination. In addition, when using the first dye and the second dye together, the ratio of the combined use is 1:50 to 20:
1, particularly preferably from 1:20 to 1:1, thereby exhibiting the above-mentioned effects more effectively and displaying the end point more clearly.

In addition to the above-mentioned ingredients, the denture cleaning agent of the present invention may contain ingredients normally used in equiaxed tooth cleaning agents, such as an alkalizing agent, a neutralizing agent, a surfactant, a binding agent, and a disintegration accelerator, as necessary. Can be blended. In particular, when using an oxygen bleach whose aqueous solution is acidic, the pH upon dissolution must be 8 or higher, and it is desirable to incorporate an alkalizing agent to improve cleaning performance. In this case, the alkalizing agent includes alkali full carbonates such as sodium hydrogen carbonate and sodium carbonate, alkali metal phosphates such as sodium phosphate, and water containing alkali metals and alkaline earth metals such as sulfur and lithium hydroxide. One or more citrons such as oxides can be used,
It is particularly preferable to use carbonate because it foams during dissolution, and the foam causes convection to promote dissolution of the cleaning agent.

The blending value of the alkalizing agent is not particularly limited, but if a base ingredient that has a pH of 8 or less upon dissolution is used, the pH
You need as many graves as you need to make 8 or more. Further, even when the pH of the base agent is 8 or higher, it is desirable to include an alkalizing agent in order to improve the detergency.

The denture cleaning agent according to the present invention is usually prepared in a solid form, and when used, it is dissolved in 10 to 50 times the weight b1 of water as described above, and used at a pH of 8 or higher. According to this method, the actual end of cleaning and the display indicating the end coincide with each other, so it is very easy to use, and the desired cleaning can be carried out in just the right amount.

Examples and comparative examples are shown below.

[Example, comparative example]

Denture cleaning agents A, B, 0 (Example) and D (Comparative Example) having the following formulations were prepared, respectively.

AB CD Anhydrous sodium carbonate 40% 40% 40%
40% sodium phosphate 10 10
10 10 Oxone ■ 30 30 30 3
0 Sodium perborate 10 10 10
10Sodium persulfate 9.987 9.98
7 9.987 1070 + Shin 0.003 - 0.
003 -Brilliant Blue 0.01-
- -Acid Red -0,003-
-Tartrazine -0,01-- Next, a cleaning operation was performed according to the following method, and the degree of stain removal was evaluated.

Denture cleaners A to D were each dissolved in 4o+¥I storm lid water and used. Note that the initial color of the cleaning agent A solution is blue, and that of B10 is yellow, both of which change to red after about 20 minutes, and further change to colorless after 6 hours or more. On the other hand,
The cleaning agent remains colorless.

Divide 12 denture users into 3 groups: A, B, O and D, and divide each group into 2 groups of 2 people.
For each group, a solution of detergent A, B, or C was used for the first wash, and a solution of detergent D was used for the second wash. For the other groups, the cleaning order was reversed.

When using cleaning solution, when using A-0 cleaning solution, the change from the initial color to red is an indicator of completion of cleaning, and D
When using a cleaning solution, the panel was washed using a light cleaning method that is normally used.

The teeth used by the panel were removed from the oral cavity, and the front and back half surfaces were immediately wiped with a wet cotton swab to measure the number of viable bacteria before cleaning. Next, return the grated teeth to the panel,
Immediately after washing with a washing solution, the remaining half of the surface was wiped with a wet cotton swab to measure the number of viable bacteria after one wash.

To measure the number of viable bacteria, put the wiped cotton swab into 11-ml sterile physiological saline, stir, and shake out the bacteria into the saline.
1d was tested using the plate pouring method and 1od was tested using the membrane filter method, and after culturing at 37°C for 48 hours, the denture base surface @X
The number of viable bacteria per 1/2 was measured. The medium used was 5ODLPA, and the culture was carried out aerobically.

The results are shown in Table 1.

1 2 2. Removal of stuck-on stains (cigarette smoke, etc.) Using denture cleaners A-D dissolved in 40 times their weight in water, the panel of 20 people was divided into 4 groups of 5 people each. It was washed using ASBSO, D washing solution.

In this case, the group using the cleaning solution A-0 uses the cleaning solution becoming colorless as an indicator that cleaning is complete, and the group using the cleaning solution D uses the cleaning process for a relatively long period of time, which is usually done for each panel. The cleaning method was used.

Before and after cleaning, stains on the dentures were visually evaluated using the following evaluation criteria.

1 point: No stains at all 2 points: Slightly dirty 3 points: Dirty 4 points: very dirty The results are shown in Table 2.

From the results shown in Table 1.2, it was confirmed that by using the cleaning agent of the present invention, it was possible to reliably sterilize dentures or remove stuck contaminants.

Applicant: Lion Corporation Agent: Patent Attorney Takashi Kojima r　Patent attorney Hanyo Takahata 5 115-

Claims (1)

[Claims] t Contains 20% by weight or more of an oxygen bleaching agent, and 10
In a denture cleaning agent that is dissolved in ~50 times its weight of water and used at a pH of 8 or higher, the first pigment selected from phloxine and acid red has a total I X 10"' ~ 3 X 1
2. A denture cleaning agent characterized by containing 1X10 to 1X10 weight% of the total amount of a second pigment derived from brilliant blue, tartrazine, and uranine.2 The first pigment and the second pigment. The ratio with the pigment is 1:5 by weight
The denture cleaning agent according to claim 1, which has a ratio of 0 to 20:1.