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  • Writer's picturePablo Janer

The Importance of Saliva in Oral Health

Saliva plays a vital role in maintaining oral health. It is a clear, watery substance produced by the salivary glands in the mouth, and it helps to keep the mouth moist and comfortable. Saliva also has a number of important functions that contribute to overall oral health.



One of the main functions of saliva is to help clean the mouth. It contains enzymes that help to break down food particles and bacteria, and it helps to wash away debris and plaque from the teeth. Saliva also contains antibodies that help to fight off infections, such as colds and the flu.


Saliva is also important for maintaining the balance of bacteria in the mouth. It contains compounds that inhibit the growth of harmful bacteria, helping to prevent the development of tooth decay and gum disease. Saliva also helps to neutralize the acid produced by bacteria, which can damage the teeth and gums.


In addition to its cleaning and protective functions, saliva also plays a role in taste and digestion. It helps to moisten and break down food particles, making it easier to swallow and digest. Saliva also contains enzymes that help to begin the process of digestion by breaking down carbohydrates and fats.


Saliva production tends to decrease as we age, which can lead to a number of oral health problems. Dry mouth, or xerostomia, can occur when there is not enough saliva in the mouth. This can lead to a number of problems, including tooth decay, gum disease, and difficulty swallowing and speaking. Dry mouth can also cause bad breath and a burning sensation in the mouth.


There are a number of factors that can lead to dry mouth, including certain medications, radiation therapy, and autoimmune disorders. It is important to speak with a healthcare provider if you are experiencing dry mouth, as it can be a sign of an underlying health issue.


In conclusion, saliva is an important component of oral health. It helps to clean the mouth, maintain the balance of bacteria, and aid in digestion. A decrease in saliva production can lead to a number of oral health problems, including dry mouth, tooth decay, and gum disease. It is important to take care of your oral health by maintaining a healthy diet, brushing and flossing daily, and visiting the dentist regularly. If you are experiencing dry mouth, it is important to speak with a healthcare provider for a proper diagnosis and treatment plan.

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