Abstract. 3D imaging techniques, which started to be exact in regard the current study with photogrammetry, have brought development of measurement method – automated digital odontometry (aDo) wider opportunities terms understanding morphological characteristics human (or, non-human) teeth and dentition. Revealing them through odontometric parameters, not as visual descriptions, it has been accepted for decades is widespread till today, methods provide various previously unattainable...

Abstract. A wide variety of methods are used in archaeological research today, including 3D imaging techniques (photogrammetry) which involved at different stages starting from explorations preceding excavation to multiple studies. The archaeologically obtained material includes anthropological findings, among odontological (related human teeth) interest as they composed resistible tissues (hence preserved well) and can serve for biological well historical interpretations. However, the...

Individual polymer implants are widespread for bone reconstruction after decompressive craniectomy. Despite the availability of customized titanium products, various specialists and hospitals prefer implants.To compare methods modeling manufacturing polymethylmethacrylate identify features affecting quality reconstruction.We analyzed 14 patients with extensive skull defects installation polymethyl methacrylate implants. Software used individual by different was compared.Satisfactory result...

The presented paper experimentally demonstrates the potential expansion of stereolithographic prototype utilization. Two methods for manufacturing plastic prototypes are proposed, enabling subsequent substitution polymer material with either metal or ceramics. first method involves additional actions by designer during modeling stage. second necessitates alterations in technological processes model preparation and using a stereolithography apparatus. Material occurs two stages. Initially,...

This work summarizes the experience of using modern methods radiation diagnostics in combination with computer and telecommunication technologies planning reconstructive operations neurosurgical maxillofacial practice. Modern medicine does not stand still, it is constantly developing improving. Thanks to emergence high-tech today, possible carry out complex surgical give a person who has faced serious injury, continue fairly high-quality full life. The creation digital model use simulation...

Abstract. Studies of teeth represent a significant part palaeoanthropological research. Over the past two decades these studies have significantly developed with implementation high resolution imaging based on x-ray scanning techniques. Highly informative reconstructions image processing provided an opportunity to study morphological layers and structures which are usually hidden under outer layer dental enamel. Thus micro-computed tomography studied has been performed in order obtain enamel...

The work is aimed to increase mechanical properties of polymers produced by laser stereolithography technology modifying the composition photocurable resin (PCR) highly dispersed filler. A based on vinyl ester was developed as an initial one, and aluminum hydroxide chosen a filler for it. Adding PCR leads marked in viscosity at 25 °C. For comparison samples obtained both initiation polymerization incoherent UV radiation were simultaneously studied. Thermomechanical analysis carried out...

Abstract The model of crosslinking polymerization in photopolymer for laser stereolithography has been proposed. feature this is that the initiation takes place by an irradiation with single pulse should be enough to solidify chosen parts photopolymer. It shown despite such passes gel point due fast forming and polyradicals resulting macromolecules. influence different factors (termination, trapping, crosslinking, cyclization) on position investigated. Branched level macromolecules formed...

Разработана экспериментальная установка для лазерно-акустической томографии биологических тканей. Проведены экспериментальные исследования фантомных образцов. программа преобразования графических данных в стандартный медицинских формат. Ключевые слова: лазерная ультразвуковая томография, формат DICOM, биологическая ткань, цифровая модель, графические данные.

The paper deals with the formation of personalized digital models facial skeletal fragments based on computed tomography data patient. Precise individual three-dimensional models, surgical templates, and implant molds obtained using computer modeling laser stereolithography were used to prepare perform reconstructive procedures in 191 pa-tients complex cranio-orbital defects deformities. During research, a special technique (“virtual pencil”) was developed, which allows you edit halftone...

The integration of information technologies in healthcare practice significantly changes the methods diagnosis and treatment, forms interaction doctors with patients colleagues, organization treatment recovery health. field reconstruction auricle is still a huge challenge for facial plastic surgeons requires at various techniques to find best each patient. paper describes application computer modeling laser stereolithography technology surgical auricular surfaces ectoprosthetics. To improve...

Abstract The article deals with the peculiarities of using silicon micropowder as a chemically inert filler when creating photocurable resins (PCR) for laser stereolithography. authors provide results their experiments on making three-dimensional parts from such and discuss feasibility transforming polymeric, containing filler, into ceramic ones through annealing. use allows two-fold increase in mass component due to interaction air oxygen products resulting thermal decomposition...

Abstract. Findings from Bronze Age burials of Shengavit settlement have become a source multiple studies referred to anthropological, and especially odontological, research based on 3d imaging image processing techniques. The currently presented case is an example palaeopathological analysis bone tissue resorption caused by complications dental pathologies. Thus analogy with diagnostic procedures in clinical dentistry, conventional x-ray cone-beam tomographic scanning been applied shown its...