 Hello everyone, welcome back to another session in dentistry and more So there we have a small topic From pharmacology that is disclosing solution That is basically plague disclosing agents solution or agents It is a topic under pharmacology, but sometimes it comes in a periodontology. That is a final year topic anyway First we need to understand what is black what is debris, okay? so Plague and debris are entirely different thing The main difference is Debris is visible We can see with our eyes but plague is Invisible that is a basic difference. You just cannot see The plague what you are seeing is debris. Okay? So debris you can scrape it off easily using diagnostic instruments, but plague you just cannot scrape it off because it is Adhered to the tooth structure using a chemical force because there is an internal structure for the adhesion There is a chemical force which is adhering The particles or the structure that is an internal structure Which is made up of the collagen or the debris and the bacterial by-products I'm creating a strong force between tooth and this plague So you just cannot easily Remove the plague, but you can easily remove debris So the disclosing solution our solutions which helps us to Visualize the plague so it is basically used in Examination purpose. Okay, when we are doing some research purpose or if you are done a Cleaning and still want to Recheck where all the plague is gone or not you can use a disclosing solution to confirm it okay, so Plague will not be removed by normal brushing it has to be removed using a professional cleaning that is a oral profile axis So what are the ideal properties of? Disclosing solution the first thing is its taste. Okay, it should be having a good taste Then it should be flavored it should encourage the patient cooperation Second thing is intensity of color that is we need to have an evident contrast between The surrounding environment we need to differentiate the plague from the surrounding environment. So the intensity should be Good then the duration of intensity that is a retentive power. That is a color should not rinse off easily by simple rinsing using Water rinsing it should be Stick to the plague for a time period. Okay, and it should not be irritating To the mucosa it should not be allergic. There should be some antiseptic properties and The dye must be capable of adequately penetrating the plague Deposit and it should be water soluble and It should be having a selective staining efficacy that is it should Stain the old plague and the new plague differently Now what are the Basic dyes used as disclosing agent So the first one is iodine preparation then mercuricron preparations then Bismarck Brown, Meribrom and Erythrosin dye for screen Then the fluro sin and two ton dye basic with sin and the three ton dye Okay, so the first one is iodine preparation So as you see here The skin is iodine solution has iodine crystal around 3.3 percentage and potassium iodide 16 percentage and Zinc iodide 10 and distilled water 16 percentage Whereas a diluted tincture of iodine the tincture of iodine is around 21 percentage with distilled water 15 so this iodine preparation it changes the Plague It changes the plague into deep Brown or black color. Okay, so this is a color which changes That is it becomes deep brown or black by applying the iodine So this discoloration disappears in few minutes the advantages are law-caused clinical photography Is possible with this and disadvantages are patient allergy some people are allergic to This iodine so allergy is a problem then the taste Also an issue with few people that is about the iodine the mercuricron preparation So mercuricron solution 5 percentage has mercuricron 1.5 and distilled water 30 percentage Whereas a flavored solution has Mercuricron 13.5 gram and distilled water 3 ml with oil of peppermint Just three drops. Okay Next we have the Bismarck Brown Bismarck Brown has 3 gram with ethyl alcohol 10 ml with glycerin 120 ml and Flavor one drop whereas a med bromine and bromine sodium fluoride 450 milligram oil of peppermint one drop with distilled water 100 ml then the erythrosin This based on the purpose. We have one thing is For rinsing. Okay, this is for Erythrosin, it's very commonly used It's closing die one purpose is rinsing then for Topical application It is a direct topical application then as a tablet or Wafers tablet or wafers if it is By rinsing The solution contain alcohol 10 ml distilled water 100 ml with two drops of peppermint oil Then if it is topical application the alcohol will be 10 ml distilled water 100 ml similarly The two drops peppermint oil Whereas the erythrosin will be 0.8 gram tablet or wafers sodium chloride sodium sucral Calcium stearate white oil flavoring agent are in these percentages So the advantages are it fades in brief time. It does not stain the dental equipment or clothing no staining Then it does not stain the composite Or it does not have any possible Effect that iodine or mercury strain has So basically this erythrosin is very commonly used because of its non Staining properties. Okay, there is no stains Now we have the fast green and Flurosin this fluorescent fast green is 3 to 5 percentage is used that is fast green six product Around 3 to 5 percentage The next one is fluro is a newer technique that is we use a special UV light To make the agent visible. So we have an apparatus to make it visible which gives off a white light But before that we need to give two drops of fluorescent based solution in patients mouth and ask the patient to switch properly After that we Use this light to visualize the plague Now we have the most popular one two-ton die So the older plague older plague and The newer plague so the older plague will be visible as blue And the newer plague will be visible as red Okay So that is a difference then we have the basic first in which is Basically a tail alcohol preparation with Few drops of distilled water basic medicine Which has a tail alcohol with water So that was all about The various types of disclosing solution. It will never be asked as a long assay It will be mostly a short assay or short not sometimes just erythrosin die or two-ton die will be asked as A short not where you need to write about the disclosing solution What is plague? What is debris? So why we need to use disclosing solution for plague all those things you need to explain in detail Then you can explain about its application and some properties of the particular agent Okay, so ultimately it is disclosing it is revealing it is revealing the Plague because plague is invisible never forget that plague is invisible To reveal that to disclose that we are using some agents. They are Disclosing agents, so I'll come up with in your topic and industry and more. Thank you