The First Clinical Use of Augmented Reality to Treat Salivar
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Salivary stone condition is a polyetiological pathology of the salivary glands. The primary factor of stone formation is still not discovered. That is why the main method to treat salivary stones is to remove the salivary stones or the gland extirpation.

A clinical case of a new surgical intervention on the parotid salivary gland with the localization of salivary stone in its parenchyma is considered. During additional diagnostics, it was found that the size of the concretion exceeds 5 mm which did not allow us to use endoscopic technologies. That was the reason for the choice of surgical intervention external access using salivary stone visualization with the help of augmented reality. The preoperative procedures included making the upper jaw cast model, fitting the model and individual mouthguard with an X-ray contrast marker and marker slot. In addition to this, computed tomography of the head and neck using a mouthguard was made. During surgery under general anesthesia with nasal intubation, the mouthguard together with the marker is installed in the patient’s mouth and the surgeon puts on the glasses to visualize the stone image in place of its localization. This method enables to visualize the salivary stone on all surgery stages no matter what type of approach is used or performing hydropreparation. That is why using the augmented reality appears promising and is to be studied further.

The use of augmented reality technology for concretion visualization during the surgical intervention of salivary stone removal by external access was effective, and there were no postoperative complications. However, randomized controlled clinical trials with longer follow-up periods should be conducted in order to compare the effectiveness of this technique, its injury rate, and the possibility of using it in the daily practice of a maxillofacial surgeon.