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Introduction: Odontogenic inflammation is a fairly common condition, and depends on the quality of oral health. Unfortunately, the incidence in the Czech population is increasing. It is also sometimes connected with life-threatening complications. Aim: To describe an unusual method of treating phlegmonous inflammation of the mouth floor and neck, complicated by necrotizing fasciitis.Material and Method, Results: The authors demonstrate a strategy of treating odentogennic phlegmonous inflammation of the mouth floor in a patient with a blood coagulation disorder and advanced liver cirrhosis. The course of treatment was complicated by a massive gastric ulcer bleeding and due to the large necrosis of the soft tissue of the neck. Application of local negative pressure was used successfully. Conclusion: The local application of negative pressure in the surgical treatment of necrotizing fasciitis in the head and neck region is not very common. Recently, a number of authors have described the feasibility of this procedure in this anatomical location. The main advantages are, among others, shorter and less costly treatment and reduced stress for medical staff.

Introduction and aim: Dental models are widely used in dentistry. The transmission of oral cavity situation outside patient's mouth brings us information in the field of diagnostics, treatment planning, and the fabrication planning of dental products. Dental models can be used in any dental field. They are particularly linked to prosthodontics, orthodontics, and maxillofacial surgery. The aim of this article is to report the benefits of the intraoral scanning in conjuction with 3D printing to the reader. Also, it describes their basic principles and presents the most useful technologies of 3D printing for production in dentistry according to the current literature. Materials and methods: The literature search and survey were focused on intraoral scanning and 3D printing. PubMed, Scopus, and Ebsco databases were used to find the articles. Their applicability in dentistry, the inclusion of a control group, and the age of the article within five years were essential for their subsequent selection. Conclusion: The included studies show that the technologies of direct intraoral scanning and 3D printing are already clinically usable today, and in the future we can expect their further development for everyday practice.