Purpose. To determine the severity of potentiometric parameters in patients with malignant neoplasms of the oral mucosa and the presence of metal inclusions in the form of non-removable dentures made of dissimilar metals and their alloys. Methods. We examined of potentiometric parameters in 39 patients with metallic inclusions in the oral cavity, in which malignant tumors of the mucous membrane of the oral cavity (tongue, palate, mucous membrane of the alveolar process and the bottom of the oral cavity) were detected. All subjects were between the ages of 40 and 68 years. Results. High potentiometric indicators were revealed in patients with non-removable metal dentures, which are made of dissimilar metals and their alloys. The presence of defects in the lining of dentures, as well as metal parts of a non-removable structure or metal protective coating ("bald zones") increase the potentiometric parameters and increase the risk of malignant neoplasms of the mucous membranes. Conclusions. The presence of metal inclusions in the oral cavity in the form of permanent dentures can be one of the reasons for the development of malignant neoplasms of the mucous membranes. A significant increase (more than 3 times higher than the normal values) of potentiometric parameters in patients with malignant tumors of the mucous membranes with metallic inclusions in the oral cavity is observed not only between the metals of immovable dentures, but also between the metal denture and the mucosa of the alveolar process of the jaw, between different parts of the mucous membranes of the alveolar process.

Purpose: The aim of the present study was to determine condition of the teeth, which are located in the fracture gap of different parts of mandible and substantiate an indications for their removing or retaining. Material and Methods: 114 patients with 186 fractures were involved in this research. Results: 50% or more cases of post-traumatic inflammatory complications were observed in case of contact failure of the teeth roots, that are in a gap of fracture, with the periodontium of these teeth al 1/2 or more of their length. Saving teeth in fracture gap, which have failure of contact with the surrounding periodontium 1/2 and 3/4 the length of the root causes high risk of inflammatory complications in bone and surrounding soft tissues. Conclusions: Based on the specified condition of teeth in the fracture gap different areas of the mandible justified indication for removal or preservation.

Purpose: To study the clinical-radiological symptoms in post-radiological osteonecrosis of the jaws. Methods: The survey is based on the clinical study of 19 patients with osteoradionecrosis of the jaws that appeared after the radiation impact on the soft tissues what surrounds jaws, which was performed after the removal of malignant tumors of the soft tissues of the maxillofacial area. Results: Based on the examination of patients, clinical and radiological symptoms were studied in cases of osteoradionecrosis of the jaws, described methods of treatment and prevention of this disease. Conclusions: In osteoradionecrosis of the jaws there is a significant destruction of bone tissue, which is accompanied by the rejection of sequesters. After Х-ray influence on the soft tissues that surrounds jaws, changes in tissues and organs of the oral cavity are observed.

Conducting of prophylactic antibiotic therapy in patient after surgical interventions in oral and maxillofacial surgery reduces the incidence of postoperative infectious complications. The analysis of the clean, conditionally clean, dirty (potentially infected), and purulent surgeries is performed. The general questions of prophylaxis of infection complications in plastic, orthognathic, purulent surgeries, and oral microflora are considered. Consecutive cases of postoperative complications and purulent conditions at the head and neck areas are presented. Recommendations on the antibiotic prophylaxis in oral and maxillofacial surgery are given.

Purpose Determining the effectiveness of Pierre Fabre Oral Сare (French laboratory) hygienic remedies of oral care after conducting all stages of dental implantation in cases with periodontitis. Methods A survey was held on 65 patients, divided into 2 observation groups: 33 patients with periodontal disease (chronic generalized periodontitis of mild and moderate severity), which during four weeks (one month) after dental implant installation were conducting hygienic care of oral cavity using remedies of Pierre Fabre Oral Care laboratory and 32 patients without periodontal disease and other accompanying diseases (practically healthy people), which next day after dental implant installation started doing hygienic care of oral cavity using traditional oral care products for duration of one month. Results Based on acquired data, hygienic oral care using Pierre Fabre Oral Care laboratory products has proven to be effective in cases with periodontal disease after conducting surgical stage of dental implantation, which allowed reducing the amount of postoperative inflammatory complications. Conclusion It is recommended to use hygienic oral care products of Pierre Fabre Oral Care laboratory after conducting dental implantation to prevent the occurrence of early and late inflammatory complications.