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Define Functions of fluoride?
The only beneficial role demonstrated for fluoride is in reducing the prevalence and severity of dental caries in children and adults. This is enumerated next. Fluoride and dental caries: There are three ways in which fluoride may act to prevent tooth decay. When fluoride is incorporated into the tooth early in life at the time of tooth eruption, the enamel containing fluoroapatite becomes more resistant to dissolution by acids. Secondly, in normal course, the enamel gets demineralized by contact with food acids and demineralization occurs to ensure that enamel structure is maintained.
Topical application of fluoride enhances demineralization and maintains the integrity of the enamel. Lastly, fluoride inhibits glycolysis and then reduces acid formation from sugars on the teeth, helping to prevent enamel demineralization and tooth decay. For these reasons, fluoride is considered as a beneficial element for humans, but it is not an essential element. Drinking water fluoride levels of 0.7 to 1.2 mg/L is considered safe. Levels above this can cause several health risks and should be avoided.
PHOSPHORUS It is present in vegetables, grains (oat metal, wheat meal), milk, eggs, cheese, meat, fish, etc. It helps in - (a) Like calcium it is a constituent of bones.
The Halstead Tactual Performance Test This procedure used a version of the Seguin-Goddard Form board, but it is done blindfold. The subject's task is to place all the 10 blocks
LARG E INTESTINE - More wider. Arranged around small intestine in the form of ? . It is 1.5 m long. Villi & microvilli absent. It shows 3 parts Ceacum, colon & rectum.
Suppose you are in charge of designing a microcontroller-based system for a packet processing application. These are high speed internet packets from the PC that are going to be pr
Body Fluids of Marine Teleost The body fluids of marine teleost are hypotonic to seawater, so these fishes lose water to the environment especially across the gill epithelium.
Q. What is inharmonious ecological interaction? The negative or Inharmonious ecological interaction is that in which at least one of the participating beings is harmed. Q.
Compared to the original sequence what type of mutation occurred on the following DNA sequence? Original: TACGAATTCGATAC Mutant: TACASSTTCCATAC
Explain National Nutritional Anaemia Prophylaxis Programme (NNAPP)? In past, both access to and intake of iron-folate tablets have been poor in children and therefore had a lit
What are the major terrestrial biomes? The main terrestrial biomes are: tundra, taigas (or boreal forest), tropical forests, temperate forests, grasslands and deserts.
What is root cap? Root cap is a protective structure located in the tip of the growing root. It defends the meristematic tissue of the root forming a cap that surrounds the tip
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