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This article discusses a rare clinical case of differential diagnosis between salivary stone disease and calcinosis, which developed against the background of autoimmune pathology. Diagnosis of these pathologies causes difficulties for practitioners, and treatment methods have fundamental differences. In this regard, the description of this case is relevant and significant. The algorithm of the main and additional research methods to confirm the diagnosis is described.

A report on the primary application of the modern technique of plastic removal of stricture of the Stenonic duct. A clinical case of surgical intervention in the localization of stricture and salivary stone is considered. The analysis of the patient's medical history, ultrasound diagnostics, multispiral computed tomography of the maxillofacial region was carried out. Based on the results of the examination, the choice of the surgical intervention technique was made.

This article describes the use of augmented reality technology for the removal of an odontogenic cyst of the upper jaw. By combining the image of computed tomography, anatomical formations and the tip of the endoscope in mixed reality, a navigation system was created for performing cystectomy and resection of the tip of the molar root for a volumetric cyst of the maxillary sinus. For the first time, a system for tracking the position of an endoscope in mixed reality in real time was used.

In a clinical case we report on the primary application of modern methods of visualization using augmented reality in the treatment of patients with sialolithiasis for the localization of salivary stone in the parenchyma of the parotid salivary gland. Impression was taken and individual splint with radiopaque marker and a cutout for a probe was made. The splint was used for spiral CT of the head and neck. In surgical intervention under endotracheal anesthesia with intubation through the nose, the splint was placed in the mouth with a tap and a surgeon visualized the projection of the stone on the skin using glasses. The method allows to visualize salivary stone at all stages of surgery, regardless of the type of access or hydrotreatment. However, this technique does not make it possible to estimate the depth of the stone, as well as if the salivary stone is not fixed in the duct there is a risk of changing its position. In this regard, the use of augmented reality has a promising direction and requires further research.

The article presents two clinical cases of patients with Heerfordt-Waldenström disease demonstrating diagnostic difficulties and the need for holistic treatment approach.