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REFERENCES 1. Digital Impressions: Virtually Perfect. Available at: 2. Bratu D, Nussbaum R. Bazele clinice si tehnice ale protezarii fixe. Bucharest: Editura Medicala, 2009. 3. Bratu D, Rominu M, Leretter M, Uram-Tuculescu S. Materiale dentare in cabinetul de stomatologie. Bucharest: Editura Helicon, 2008. 4. Miyazaki T, Hotta Y, Kunii J, Kuriyama S, Tamaki Y. A review of dental CAD/CAM: current status and future perspectives from 20 years of experience. Dent Mater J . 2009;28:44-56. 5. Klim J, Corrales E

) 8. Vlahova A, Kazakova R, Bozhkova T, Hadzhigaev V, Zlatev St, Kissov Chr, Todorov G. First steps with CAD/CAM: a single crown design by 3Shape Dental System. Folia Medica, 2015;57:50-51. 9. Хаджигаев В, Влахова А, Златев Ст, Тодоров Р, Попов И. Изработване на CAD/CAM мостова конструкция по оптичен отпечатък. Клиничен случай. Сборник научни трудове, 45 години Факултет дентална медицина - Пловдив, 2015:43-48. (Bulgarian) 10. Кисов Хр, Влахова A, Карацанова Д. Какво ново при керамиките на циркониевия диоксид. СДК и НУС, 2014;13;47-48. (Bulgarian)

REFERENCES 1. Zochbauer H. Number of dental restorations worldwide. Mark Res Ivoclar Vivadent 2011. 2. Burke FJ, Wilson NH, Cheung SW, et al. Influence of patient factors on age of restorations at failure and reasons for their placement and replacement. J Dent 2001;29:317-24. 3. Heintze SD, Rousson V. Clinical effectiveness of direct class II restorations – a meta-analysis. J Adhes Dent 2012;14:407-31. 4. Fasbinder DJ. Clinical performance of chair-side CAD/CAM restorations. J Am Dent Assoc 2006;137:22-31. 5. Fasbinder D. Using digital technology to enhance

modeling of spiral bevel gear based on manufacture method and meshing theory”, J Jilin Univ 2008; 38(6): 1315–1319. [4] Jin XY, Zhang TF, Yang HL. “Research on the 3D solid modeling of high efficient gear tooth based on ProE”, ProcediaEng 2012; 29(2): 2990–2994. [5] Ding H, Adayi XZD. “Methods of and outlook for the modeling of spiral bevel gear” Mach Des Manuf 2014; 51(1): 257–260. [6] Tolvaly-Rosca F., Forgó Z., “Mixed CAD method to develop gear surfaces using the relative cutting movements and NURBS surfaces”, Procedia Technology 2015; 19(2): 20–27. [7] Tolvaly

analysis”, Mech Mach Theory 2014; 79(9): 141–157. [5] Tieming Xiang, Lizhi Gu, Leilei Xiao, “Accurate modeling of logarithmic spiral bevel gear based on the tooth flank formation and Boolean addition operation”, Sage Journals, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol 230, Issue 9, pp. 1650 - 1658, 2016. [6] Tolvaly-Rosca F., Forgó Z., “Mixed CAD method to develop gear surfaces using the relative cutting movements and NURBS surfaces”. Procedia Technology2015; 19(2): 20–27. [7] Tolvaly-Rosca F., Máté M., Forgó

References [1] Bouzakis K. D., Lili E., Michailidis N., Friderikos O.: Manufacturing of cylindrical gears by generating cutting processes: A critical synthesis of analysis methods . CIRP annals 2008 – Manufacturing Technology 57/2. (2008) 676–696. [2] Mohan L. V., Shunmugam M. S.: CAD approach for simulation of generation machining and identification of contact lines. International Journal of Machine Tools and Manufacture, 44/7–8. (2004) 717–723. [3] Tolvaly-Roşca F

References 1. Gawlik J., Wójcik A. (2003), Modeling and assessing the accuracy of the freeform surfaces in the wmp-cad-cam system (in Polish), Prace Naukowe Instytutu Technologii Maszyn i Automatyzacji Politechniki Wrocławskiej, Vol. 84, 173-182. 2. Hoffmann CM., Joan-Arinyo R. (2002), Parametric modeling, In: Farin G, Hoschek J,Kim MS (editors), Handbook of CAGD, Elsevier, 519-541. 3. Hylewski D. (2009), Representation of curves in CAD systems - Bezier curves (in Polish), Prace Naukowe Katedry Budowy Maszyn Politechniki Śląskiej, Vol. 1, 273-282. 4. Hylewski D


The weaving process is constantly evolving in terms of productivity, quality, and possibilities of fabrication of different fabric structures and shapes. This article covers some issues that have still not been resolved and represents distracting factors in the woven fabrics production. In the development of woven fabric using the CAD technology, it is inevitably a deviation of the virtual image on the computer screen from the woven sample. According to comprehensive industry analyses, the findings of many authors who contributed to the resolution of these problems can be concluded that these problems are still present in the development and production of striped, checkered, and jacquard woven fabrics. In this article, jacquard, multicolor woven fabrics were investigated, with deviations in pattern sizes and shades of color in warp and weft systems compared to virtual simulation on the computer, as well as the tendency of the weft distortion arising from the weaving process leading to the pattern deformation.

Introduction Coronary artery disease (CAD), especially acute myocardial infarction, is becoming one of the major causes of morbidity and mortality worldwide [ 1 ]. Multiple factors, such as genetic variants, lifestyle and environmental factors, are believed to be involved in the occurrence and progression of CAD [ 2 , 3 , 4 ]. In recent years, more and more researchers carry out large scale genomewide association studies (GWAS) to elucidate the pathogenesis of CAD at the gene expression level and the results have demonstrated that gene polymorphisms are

References 1. VESELOVSKÝ, J. 2002. Technická dokumentácia a CAD. (Technical documentation and CAD). Bratislava: STU. 2. ŽÁRA, J., BENEŠ, B., SOCHOR, J. 2004. Moderní počítačová grafika. (Modern computer graphic). Brno: Computer Press. ISBN 80-251-0454-0 3. FIEHER, R. et al. 2014. Hypermedia image processing reference. [Online]. [Cited: 08.30.2014.] 4. DAVIES, E. R. 1997. Machine vision: theory, algorithms. Practicalities 2nd edition. London: Academic Press Limited. ISBN 0-12-206092-X 5. BRÁZDIL, L. 2011