Santrauka:
Atlikta teorinė mokslinės ir profesinės literatūros polimerinių kompozitų ir ličio disilikato savybių analizė bei jų panaudojimo odontologijoje galimybės. Dėl plataus asortimento protezų gamybos metodų labai svarbu žinoti kiekvieno metodo privalumus ir trūkumus. Tiek ličio disilikato, tiek ir polimero kompozicinės medžiagos yra tinkamos protezų gamybai, nors labai svarbu nurodyti skirtumą tarp šių dvejų medžiagų, atsižvelgiant į skaidrumą, gamybos laiką, tempimo stiprumą, gedimų tikimybę, intraoralinės pataisos galimybę ir dilimą antagonistų atžvilgiu. Darbe pagaminti ličio disilikato ir sluoksniuotų polimerinių kompozitų užklotai bei palygintos jų gamybos technologijos ir savybės.
Description:
The thesis research is composed of introduction, two exposition sections – theoretical and practical parts, which are followed by conclusion section and list of references. The aim of the thesis is to reveal the peculiarities, differences, advantages and disadvantages of lithium disilicate and polymeric composite denture onlay restorations. The theoretical part analysis of scientific and professional literature polymer composites and lithium disilicate properties and possibilities of their use in odontology is carried out. Due to a wide range of manufacturing techniques in onlay prosthesis , it is crucial to know benefits and drawbacks of each technique. Both lithium disilicate and polymer composite materials are suitable for denture manufacturing, although, it is crucial to indicate the differentiation between the two in terms of translucency, production time, tensile strength, probability of faults, intraoral amendment and abrasion in relation of antagonists. The manufacture of non-removable lithium disilicate onlay and polymer composites onlay is described. It is shown that both materials have different mechanical properties and possibilities for correction. Duration of production of lithium disilicate restoration takes longer than of polymer composite. The corrections of layered polymer composite dentures can be performed directly in patient’s mouth and full restoration of their original features and appearance can be rebuilt. Finally, aesthetics, quality and long-lasting durability, greatly depend on qualified work of dental technician
