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The article presents a review of the literature (57 sources) devoted to the influence of preheating on the manipulation, physical, mechanical and aesthetic characteristics of composite filling material. The literature obtained by searching in the databases Google Scholar, PubMed, as well as in the article biographical lists is studied. For improving the physical-mechanical, adaptive and, of course, manipulative properties of the polymer composite, researchers have proposed various protocols that allow us to achieve the best values of the basic properties of the filling material. The method of preheating the composite can positively affect various characteristics of the material, such as manipulative and aesthetic properties, as well as increase the values of microhardness and the final conversion of monomers of the organic matrix of the material. However, it is necessary to remember that in clinical practice it is difficult to reach the desired temperature, since the composite cools down from the moment the syringe is removed from the heating device, so the increments in the values of these properties may be lower than those obtained experimentally.