Toothpaste is a paste or gel dentifrice used with a toothbrush as an accessory to clean and maintain the aesthetics and health of teeth. Toothpaste is used to promote oral hygiene: it serves as an abrasive that aids in removing the dental plaque and food from the teeth‚ assists in suppressing halitosis‚ and delivers active ingredients (mainly fluoride) to help prevent tooth and gum disease (gingivitis).[1] Most of the cleaning is achieved by the mechanical action of the toothbrush‚ and not by the
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Abstract: A. Purpose This investigatory project aims to prove or see the effectivity of some of the commercial toothpastes in whitening teeth. It also aims to help people choose which toothpaste brand works best in whitening teeth. If we know which brand works best‚ we could actually save some money. The toothpastes used were namely: Brand A‚ Brand B‚ Brand C and Brand D. B. Procedure Shells were used to represent the teeth since it also has calcium carbonate which is found in teeth. Four
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Colgate-Hawley Colgate’s Distasteful Toothpaste This case discusses the implications Colgate faced when partnering with Hawley and Hazel in August 1985 (Luthans & Doh‚ 2012). The case presents “Darkie”‚ an objectionable toothpaste product being sold in the Asian market by Hawley and Hazel for almost 65 years. “Darkie” toothpaste featured a black-faced man on the packaging; modeled after entertainer‚ Al Jolson. Once Colgate partnered with Hawley and Hazel ethical issues began to arise as
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can reach a new pH level by interacting with soil. If water has a pH that is too high or too low‚ it can be life threatening to aquatic species and can corrode metal structures. After finding this out‚ I decided to test if water could reach an extreme pH just by interacting with soil around it. The question for this experiment therefore became the following. Will interaction with soil change the pH of water? I hypothesized that if water interacts with soil for three days‚ then the pH of the water will
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consumer ’s tastes for toothpaste in China typically vary from region to region‚ as well as across various demographic dimensions‚ such as age‚income‚and education. in contrast‚ tastes for toothpaste are fairly narrow in the United States. why is ther such a pronounced difference between these two market? There have such a pronounced difference between these two markets because it is affected by the age‚ income ‚region and population difference. Age As a result of government population controls
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analyzing pH it measures for the acidity or basicity of a solution. pH levels vary depending on the solution. The more acidic solutions would be juices and vinegar and cleaning materials would be basic. You can determine the purpose of solutions based on their acidity and basicity. We measure the pH of solutions on a scale with levels from 1-14. These levels may change if other solutions are added‚ we can tell what the pH will be based on its colour. Solutions called buffers change the pH levels of
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Ph Lab Report Bryon Kim 123013 B(2) Biology Background information/Research PH paper (litmus paper) determines how acidic or how basic a substance is. The paper changes color accordingly to color code on the pH scale. The pH scale starts from 0 to 14. The lower the number the more acidic it is. Zero is the most acidic‚ and 14 is the most basic while 7 is the neutral number for example water. Examples of an acid is lemon juice or multi purpose cleaner. Examples of a basic substance is shampoo or liquid soap
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concept and meaning of pH 2. Provide the student experience in measuring pH a. pH testing paper 3. Test the student’s hypothesis as it related to the pH of common solutions Hypothesis The pH of the tested solutions will be in the order of the following according to a pH scale: 1. Lime juice 2. Orange juice 3. Soda 4. Iced Tea 5. Milk 6. Water 7. Soapy water Material Required To facilitate this laboratory exercise‚ the experimenter needs the following: pH strips Sample reservoirs
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This experiment shows the effects of changing the pH level has on Catalase. As predicted‚ the farther away the pH levels got from the optimum pH (7.2)‚ the lower the reaction rate. At a pH of 7.2‚ the foam of the reaction measures 6cm. At a ph of 3 it measures 2.5 cm‚ at a pH of 5 it measures 2.75 cm‚ at ph 9 it measures 2.3 and at 11cm it measures 2cm. pH measures the hydrogen ion concentration of a substrate. By changing the pH of the catalase‚ the enzyme was denatured. Denaturing is the result
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Marketing Research Proposal Proposed Research Topic: A situational analysis of toothpaste industry Introduction: At present‚ several well-known brands in the domestic toothpaste manufacturers become increasingly competitive‚ such as Braun Oral-B‚ Colgate‚ Darlie and so on. Different toothpaste brand have their own different market strategy‚ for examples‚ there are products for different ages whereas some target the
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