Concrete Sablilized Within The Excreting Canal Of The Salivary Glands

They're essentially in the parotial gland and in the salivary glands tissue
They give origin to salivary colics and painfull crisis with manifest in the inferior maxillary
These crisis become sharper at the very moment salive is over produced
Making it purulent phlegms to appear on it
Often are they eliminated spontaneously, and in other cases only through surgery