what is the role of toothpaste in preventing cavities?
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Toothpaste is used to promote oral hygiene: it is an abrasive that aids in removing dental plaque and food from the teeth, assists in suppressing halitosis, and delivers active ingredients (most commonly fluoride) to help prevent tooth decay (dental caries) and gum disease (gingivitis).
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When we eat something, the left over food in our mouth start degrading and start releasing acids,this causes our mouth's pH to lower than 5.5 & further causes cavities. The toothpasts are basic in nature and thus help in neautralising the effect of acids. This way they help prevent cavities.
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