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    Dental remineralization via poly(amido amine) and restorative materials containing calcium phosphate nanoparticles

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    Author
    Liang, K.
    Wang, S.
    Tao, S.
    Date
    2019
    Journal
    International journal of oral science
    Publisher
    Springer Nature
    Type
    Article
    
    Metadata
    Show full item record
    See at
    https://doi.org/10.1038/s41368-019-0048-z
    Abstract
    Tooth decay is prevalent, and secondary caries causes restoration failures, both of which are related to demineralization. There is an urgent need to develop new therapeutic materials with remineralization functions. This article represents the first review on the cutting edge research of poly(amido amine) (PAMAM) in combination with nanoparticles of amorphous calcium phosphate (NACP). PAMAM was excellent nucleation template, and could absorb calcium (Ca) and phosphate (P) ions via its functional groups to activate remineralization. NACP composite and adhesive showed acid-neutralization and Ca and P ion release capabilities. PAMAM+NACP together showed synergistic effects and produced triple benefits: excellent nucleation templates, superior acid-neutralization, and ions release. Therefore, the PAMAM+NACP strategy possessed much greater remineralization capacity than using PAMAM or NACP alone. PAMAM+NACP achieved dentin remineralization even in an acidic solution without any initial Ca and P ions. Besides, the long-term remineralization capability of PAMAM+NACP was established. After prolonged fluid challenge, the immersed PAMAM with the recharged NACP still induced effective dentin mineral regeneration. Furthermore, the hardness of pre-demineralized dentin was increased back to that of healthy dentin, indicating a complete remineralization. Therefore, the novel PAMAM+NACP approach is promising to provide long-term therapeutic effects including tooth remineralization, hardness increase, and caries-inhibition capabilities.
    Keyword
    Tooth Remineralization
    Calcifying Nanoparticles
    Dendrimers
    Identifier to cite or link to this item
    https://www.scopus.com/inward/record.uri?eid=2-s2.0-85065761465&doi=10.1038%2fs41368-019-0048-z&partnerID=40&md5=31d398106d41c91625117f83ab38ced3; http://hdl.handle.net/10713/10598
    ae974a485f413a2113503eed53cd6c53
    10.1038/s41368-019-0048-z
    Scopus Count
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    UMB Open Access Articles 2019

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