School of Oral Health Sciences

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    Seal development and composition at amalgam-ceramic interfaces after NaC1 and Na2S storage
    (1987) Jodaikin, A; Grossman, ES; Witcomb, MJ
    Chlorine and sulphur -.have been found in the marginal seal of some tooth-amalgam interfaces . Although the role of Cl in the sealing process is relatively well established the role of S remains more obscure. The purpose of the present study was to compare the sealing properties and elemental composition of the seal formed at the interface of amalgams placed in ceramic cavities and stored in either a 10% NaCl or 10% Na2S aqueous solution. This investigation undertaken in a simple controlled environment, devoid of complex oral influences, would clarify the role that these two elements play in the sealing process at amalgam-tooth interfaces within the mouth.
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    Boris Ivan Balinsky 10 September 1905 – 1 September 1997
    (Academy of Science of South Africa (ASSAf), 2005-05) Grossman, ES
    On 10 September 2005, we celebrate the centenary of the birth of Boris Ivan Balinsky, one of the best-known and most respected embryologists of the twentieth century. Through his remarkable and painstaking research, he laid the foundation of developmental biology as we know it today. Balinsky was a man whose research was shaped by his time, and for the first half of his working life this was dictated largely by the turbulence of the Russian Revolution and later by the instability of the SecondWorldWar. Soviet life depended on the whims of the man in power at any given time: thus, the course of Balinsky’s research was directed according to the situation in which he found himself and the facilities available to him. It is due to his insight, single-mindedness, ability to adapt, hands-on approach and meticulous technique that he managed to achieve the noteworthy research and groundbreaking findings in the years prior to, and after, his move to the West.