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Protection and Reinforcement of Tooth Structures by Dental Coating Materials

1
Cariology and Operative Dentistry, Department of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8549, Japan
2
Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8549, Japan
*
Author to whom correspondence should be addressed.
Coatings 2012, 2(4), 210-220; https://doi.org/10.3390/coatings2040210
Received: 11 June 2012 / Revised: 5 September 2012 / Accepted: 12 September 2012 / Published: 1 October 2012
(This article belongs to the Special Issue Advances in Dental Biomaterials and Coatings)
It has been proposed that a resin coating can serve as a means to protect dental structure after preparation of the tooth for indirect restorations, sealing the exposed dentin. The resin coating is applied on the cut surfaces immediately after tooth preparation and before making an impression by assembling a dentin bonding system and a flowable composite. Resin coatings minimize pulp irritation and improve the bond strength between a resin cement and tooth when bonding the restoration to tooth. Recently, thin-film coating dental materials based on all-in-one adhesive technology were introduced for resin coating of indirect restorations. The thin coating materials are applied in a single clinical step and create a barrier-like film layer on the prepared dentin. The thin coatings play an important role in protecting the dentin from physical, chemical, and biological irritation. In addition, these thin-film coating materials reportedly prevent marginal leakage beneath inlays or crown restorations. In light of the many benefits provided by such a protective layer, these all-in-one adhesive materials may therefore also have the potential to cover exposed root dentin surfaces and prevent caries formation. In this paper, recent progress of the dental coating materials and their clinical applications are reviewed. View Full-Text
Keywords: minimal intervention; adhesive dentistry; dentin bonding; hybrid layer; acid-base resistant zone; resin coating technique; super dentin minimal intervention; adhesive dentistry; dentin bonding; hybrid layer; acid-base resistant zone; resin coating technique; super dentin
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Nikaido, T.; Takahashi, R.; Ariyoshi, M.; Sadr, A.; Tagami, J. Protection and Reinforcement of Tooth Structures by Dental Coating Materials. Coatings 2012, 2, 210-220.

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