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3-D Modeling for Teeth Correction on the Basis of Optical Measurement (2007)

Yang, X.D. ; Wang, Yang ; Yang, P.

s.l. ; Stafa-Zurich, Switzerland

Applied mechanics and materials Vol. 10-12 (Dec. 2007), p. 662-666

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ISSN: 1662-7482

Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: In this paper, a teeth correction 3-D data modeling technology based on the basis ofoptical measurement is proposed. Using structured light measurement, the STL data of the teethplaster model are obtained. Based on STL data, the topological relationship model of vertices andplanes is constructed. The data of single tooth is separated with separation algorithm, and usingmatrix transform, geometrical transformation of teeth model is realized. Then, after establishingframe curves, the 3-D solid modeling of corrected tooth socket is constructed. At last, using theSLA technology, the colophony model of the remedying device is produced

Type of Medium: Electronic Resource

URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/38/transtech_doi~10.4028%252Fwww.scientific.net%252FAMM.10-12.662.pdf

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Genetic Segregation of Spontaneous Erosive Arthritis and Generalized Autoimmune Disease in the BXD2 Recombinant Inbred Strain of Mice (2005)

Mountz, J. D. ; Yang, P. ; Wu, Q. ; [et al.]

Oxford, UK; Malden, USA : Blackwell Science Ltd

Scandinavian journal of immunology 61 (2005), S. 0

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ISSN: 1365-3083

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: The BXD2 strain of mice is one of approximately 80 BXD recombinant inbred (RI) mouse strains derived from an intercross between C57BL/6J (B6) and DBA/2J (D2) strains. We have discovered that adult BXD2 mice spontaneously develop generalized autoimmune disease, including glomerulonephritis (GN), increased serum titres of rheumatoid factor (RF) and anti-DNA antibody, and a spontaneous erosive arthritis characterized by mononuclear cell infiltration, synovial hyperplasia, and bone and cartilage erosion. The features of lupus and arthritis developed by the BXD2 mice segregate in F2 mice generated by crossing BXD2 mice with the parental B6 and D2 strains. Genetic linkage analysis of the serum levels of anti-DNA and RF by using the BXD RI strains shows that the serum titers of anti-DNA and RF were influenced by a genetic locus on mouse chromosome (Chr) 2 near the marker D2Mit412 (78 cm, 163 Mb) and on Chr 4 near D4Mit146 (53.6 cm, 109 Mb), respectively. Both loci are close to the B-cell hyperactivity, lupus or GN susceptibility loci that have been identified previously. The results of our study suggest that the BXD2 strain of mice is a novel model for complex autoimmune disease that will be useful in identifying the mechanisms critical for the immunopathogenesis and genetic segregation of lupus and erosive arthritis.