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Friday, 25 March 2011

IADR Toshio Nakao Fellowship

The 89th General Session of the International Association for Dental Research was held last week in San Diego, CA, USA. I was officially awarded the IADR Toshio Nakao Fellowship during the opening ceremony. This Fellowship is generously supported by GC Corporation with the intention to "allow a young investigator to obtain training and experience in dental materials science at a center of excellence". In my case, this means six months post-doctoral research at the University of Edinburgh, Great Britain, commencing in June 2011. It was truly an honour to be among the distinguished scientists whose work has been recognized by the IADR, the leading international organisation in dental research. I am grateful to the IADR and GC Corporation for support. This Fellowship will help me continue research on dental adhesives, particularly monomer to polymer conversion and hybridisation of dentine.

Tuesday, 8 March 2011

A review of SEM and TEM studies on the hybridisation of dentine

Professors Ario Santini and Egle Milia and Dr Vesna Miletic, members of the Santini Miletic Research Group, published a chapter on dentine hybridisation in the international peer-reviewed book Microscopy: Science, Technology, Applications and Education, edited by A. Mendez-Vilas and J. Diaz and published by Formatex ( This is the 4th book in the Microscopy series. The chapter is a review of SEM and TEM studies on the hybridisation of dentine with additional findings on the subject using micro-Raman spectroscopy. The chapter can be downloaded free of charge from the publisher's website (simply scroll down to Santini, Milia and Miletic).

Santini A, Egle M and Miletic V. A review of SEM and TEM studies on the hybridisation of dentine.
In: Microscopy: Science, Technology, Applications and Education.
Editors: Mendez-Vilas A, Diaz J. Microscopy series No. 4, Volume 1, pages 256-268.       
Publisher: FORMATEX, Badajoz, Spain, 2011.
ISBN-13: 978-84-614-6189-9


Current opinion is that the hybridisation of dentine is the principal, though not the exclusive, mode of adhesion of restorations to tooth tissue. Hybrid layer formation is achieved by resin infiltration of acid-etched dentine. This layer provides micromechanical retention for resin composite restorations.

The vast literature on the development of bonding systems is summarised and the differences in the hybrid layer formation are reviewed with specific attention to SEM and TEM studies.

It is concluded that more recently marketed adhesives with simplified application procedures are less successful compared to conventional total-etch adhesives.


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