PH of gastric juice and tooth decay start
A healthy mouth is having a neutral pH.
To keep your teeth healthy, you must keep oral acidity to a minimum pH level.
Teeth can actually become stronger and remineralize when the mouth has a pH of 7.5 or above.
The pH scale goes from 1 to 14, with a pH of 1 being the most acidic, and 14 being the most alkaline. A pH of 7 is neutral .
At a pH of 5.5 the teeth begins to demineralize, causing caries or tooth decay. It indicates an oxygen-deprived environment, which puts our teeth at risk for demineralization and cavities.
The amount of time that acids are in contact with teeth that determines how much damage occurs.
Xerostomia or gastroesophageal reflux disease can also cause acidity in the oral cavity.
by,
Dr.Renju T George,
India.
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