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A Journal on Dentistry and Maxillofacial Surgery

Official Journal of the Italian Society of Odontostomatology and Maxillofacial Surgery
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Minerva Stomatologica 2003 September;52(9):427-34

language: Italian

A SEM analysis of in vivo adhesive interface between a bonding agent and normal or sclerotic dentin

Guida A., Frashini M., Lupoli G., Eramo S.


Aims. Although dentine is a dynamic sub-stratum of the tooth, it seems correct to say that as far as etching and bonding to the sclerotic dentine is concerned, there are different micro-morphological aspects to be analysed in comparison to those on the healthy dentin.
Methods. This paper seeks to analysis the interface between the dentin and the adhesive bonding material resulting from in vivo placement of a 5th generation dentin bonding system on the base of cavities in 8 teeth. The teeth were removed for periodontal or orthodontic reasons and then examined by scanning electron microscopy.
Results. The results confirm the notable complexity of the dentin-adhesive interface that is developed or formed in-vivo and is due to the different state in which the dentine is found (healthy or sclerotic).
Conclusions. It is underlined that the passage from the state of healthy to sclerotic dentin is very fast.

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