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Retention behavior of double-crown attachments with zirconia primary and secondary crowns
Dental Materials, 2016To investigate whether adequate retention of zirconia conical crown (CC) attachments can be achieved, and to investigate their long-term retention.Sixteen individual zirconia primary crowns were produced with convergence angles of 1° or 2° (eight of each).
Franz Sebastian, Schwindling +4 more
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Gold‐Doping of Double‐Crown Pd Nanoclusters
Chemistry – A European Journal, 2017AbstractDouble‐crown Ni, Pd, or Pt nanoclusters have attracted extensive interests due to their aesthetic structure and intriguing properties. However, their doping by other metals remains unknown until now. Herein, Pd4(PET)8 and Pd5(PET)10 (PET: SCH2CH2Ph) were successfully doped with gold and the doped nanoclusters were characterized by using ...
Jishi Chen +7 more
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Cytonuclear discordance in the crowned-sparrows, Zonotrichia atricapilla and Zonotrichia leucophrys
Molecular Phylogenetics and Evolution, 2021Rute Clemente-Carvalho +2 more
exaly
Application of Powder Metallurgy to the Double-crown System
The Journal of the Kyushu Dental Society, 1996Masahiro Sera +6 more
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