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The effect of Goldbonder TM on the adhesion between porcelain and pure titanium
Author(s) -
Yamada K.,
Onizuka T.,
Sumii T.,
Swain M. V.
Publication year - 2004
Publication title -
journal of oral rehabilitation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.991
H-Index - 93
eISSN - 1365-2842
pISSN - 0305-182X
DOI - 10.1111/j.1365-2842.2004.01306.x
Subject(s) - titanium , scanning electron microscope , materials science , adhesion , composite material , metal , bending , metallurgy
summary The present study examines the effect of a Goldbonder TM on the adhesion between titanium and porcelain as measured by the strain energy release rate ( G ) associated with the interfacial fracture of porcelain and titanium. The influence of surface treatment of titanium prior to Goldbonder TM application was also examined. The porcelain side of the specimens was notched to the interface with a thin diamond saw, and then a pre‐crack was made at the metal–porcelain interface by a special jig. The samples were subjected to a four‐point bending test resulting in stable crack extension from which G was calculated. Both the cracked cross‐section of interface and peeled fracture surface were examined with scanning electron microscope (SEM). The mean G values were 81·57 ± 10·34, 46·01 ± 14·83, and 15·98 ± 1·76 J m −2 for the sandblasted surface with the Goldbonder TM , polished surface with the Goldbonder TM , and sandblasted surface with the Pastebonder TM , respectively. The G values revealed significant differences ( P < 0·01) between Goldbonder TM and Pastebonder TM , and between the sandblasted and polished surfaces with Goldbonder TM . The SEM photographs and elemental analysis showed that Goldbonder TM developed both chemical and mechanical bonding to titanium and porcelain.