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Both forensic and complex forensic and transport-tracological examination of car trauma was and remains the most valuable source of evidence in the criminal process, both at the pre-trial investigation stage and in court. Summary. The article deals with problematic issues of forensic medical examination of car injuries, starting from the fundamental works of the last century, and up to the present day. The special role of a careful study of the nature and mechanism of inflicting bodily injuries to the victims is underlined. Particular attention is paid to a significant change in the morphology and mechanism of causing bodily injuries to victims in connection with the use in the design of a modern car of various new elements and devices that enhance human safety in road accidents. The main tendencies of development of expert analysis in cases of road accidents are listed, and the absolute necessity of cooperation between experts in different branches of knowledge (forensic doctors, transport specialists, medical forensics) during expert studies related to road accidents is proved. Conclusions.The basis of forensic medical examination in cases of various accidents has been and remains the study of the morphological features of injuries in the injured, as well as injuries and traces on clothing and footwear. 2. At the same time, new structural elements of modern cars lead to the formation of damages that differ significantly from the previously observed morphological features. 3. The most complete expert study in cases of accidents can only be done through the joint work of experts of various specialties - forensic doctors, medical forensics, transport specialists.

The article considers the existing classifications of thermal burns by the depth of the lesion. The analysis and comparison of different classifications among themselves is carried out. The problems that may arise in forensic medical practice in determining the severity of thermal burns, which are associated with the use of different classifications, are demonstrated. The use of different classifications of burns according to the depth of the lesion can lead to incorrect determination of the severity of injuries when compiling the "Expert Conclusion". Methodological approaches that will avoid this are presented. The aim of the work. Elaboration of methodological approaches to the use of modern classifications of burns, which are introduced in Ukraine and in other countries, during forensic medical examinations of thermal injuries. Materials and methods. Analysis, synthesis, comparison and analogy of printed and electronic legal documents of Ukraine, domestic and foreign forensic and medical literature on burn injury. Results. Analysis and comparison of different modifications of burns classification by depth of injury revealed that modern classifications by combinations of numbers and letters differ from the classification of burns by depth, which is used in forensic practice in Ukraine in determining the severity of thermal injuries. The forensic expert during the examination in cases of thermal injury examines the medical records that contain information about the treatment of the victim. Victims can be treated in various medical institutions both in Ukraine and abroad. Thus, different classifications are used in the formulation of the diagnosis, which can lead to incorrect determination of the severity of the injury caused by high temperature. The result is a biased "Expert Conclusion", which may later be considered inadequate evidence in criminal proceedings. To prevent erroneous assessment of the degree of burns, the expert must find out what classification of burns is used in making a clinical diagnosis, and interpret the specified degree of burns in accordance with the gradation of burns, which regulates the activities of forensic experts. Conclusion. At present, the «Rules of forensic determination of the severity of injuries», which were approved in Ukraine in 1995, don't provide adequate methodological support for forensic expert research, which should correspond to the current level of development of medical science and clinical practice. The introduction of the achievements of world medicine into the domestic forensic medical practice should be facilitated by modern legal documents regulating the activities of forensic medical institutions of Ukraine.