What Does Your Saliva Reveal?  

January 25, 2021 - toothbar - 0 comments What Does Your Saliva Reveal?  
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Your saliva can reveal much information about the state of your dental health as well as your overall health. In fact, issues with the saliva are one of the first markers of oral health that the expert dentists at Austin Cosmetic Dentistry look for when examining patients.

In this article, we will briefly introduce you to saliva, why it exists, and what the state of your saliva says about your wellness.

Where Is Saliva Produced?

The salivary glands, located in three locations around the throat, produce saliva. This biological substance is roughly 98% water but also includes electrolytes (potassium, magnesium, calcium), enzymes, and mucus. The various types of saliva glands are:

  • Parotid Glands (in front of ears)
  • Submandibular Glands (under the jaw)
  • Sublingual Glands (under the tongue)

What Is the Purpose of Saliva?

Breaking down food before it enters the digestive tract is the primary purpose of saliva. When you chew, a “food bolus” is formed by mixing the food with saliva. The enzymes that we mentioned in the previous section begin the chemical breakdown of the food so that it can be processed more efficiently with less burden on the stomach.
Also, saliva is important for cleaning the teeth, specifically for the prevention of bacterial infections. You might consider saliva to be “nature’s toothpaste” – but at Austin Preventative Dentistry we are sure to remind our patients that it’s no substitute for a high-quality fluoride toothpaste and regular flossing.

What Does Saliva Reveal About Dental Health?

The Salivary Flow (SF) index measures the output of saliva throughout the day. When tests show that saliva levels are too low, the patient is diagnosed with a condition called “hyposalivation” and corrective action must be taken.
Hyposalivation may be caused by one of many contributing factors, such as:

  •  Chronic stress/anxiety
  • Certain prescription medications
  • Dehydration
  • Radiotherapy (for cancer patients)

Hyposalivation puts you at risk of developing more serious dental health conditions such as candidiasis. Treatment for hyposalivation typically involves prescription drugs such as pilocarpine (SalagenTM) or cevimeline (EvoxacTM) that stimulate more saliva excretion. Austin Preventative Dentistry has treated many patients successfully who experienced hyposalivation.

Saliva Testing: What Else Can We Learn From Studying Saliva?

Saliva testing (submitting a small sample for lab analysis) can be useful as a diagnostic tool for many purposes, including:

  • Cortisol
  • Enzymes
  • Antibodies
  • Genetic material (RNA)
  • Natural Metabolites

The major benefit of saliva testing over other methods used by healthcare providers such as blood testing is that samples can be collected quickly and easily with minimal pain. The Austin cosmetic dentistry providers at the Toothbar in downtown Austin are always ready to help our patients learn more about their dental health, including discussing any saliva-related issues. Contact us today with any questions or concerns and we will be happy to help.


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