The labial, sublingual and submandibular salivary glands are examined.

 Indications:

 The research is done by:

 * For differentiation of gland swelling and tumors

 * For the detection of sialoliths, 80% of sialoliths are found in the submandibular salivary glands and 20% in the paranasal salivary glands.

 * For the diagnosis of sialadenitis: bacterial or viral (epidemic parotitis).

 * For the diagnosis of sialadenosis

 * For the detection of dilatation of the duct

 * For the diagnosis of tumors.

 Contraindications

 The method is absolutely safe and has no contraindications.

 Readiness:

 No prior preparation is required for research.