| Summary: | Davi Fontoura Solla,1 Tatiana Saito Paiva,2 Marcia André,2 Wellingson Silva Paiva1,31Department of Neurology, University of Sao Paulo Medical School, 2Department of Surgery, Prosthesis, and Maxillofacial Traumatology, University of Sao Paulo Dentistry School, 3Neurology Center, Samaritano Hospital, Sao Paulo, BrazilIt was enlightening to read this comprehensive review of dental nanomaterials toxicity to the central nervous systems (CNSs) by Feng et al1 published in the International Journal of Nanomedicine. There are many potential applications of nanomaterials indentistry.2 Composite resins have been widely used in restorations of dental caries;3 however, it is estimated that approximately 50% of prepared restorations need to be remade, the secondary caries is one of the most frequent causes of failure,4 and the use of nanomaterials could decrease the incidence of these complications. Thus, the application of nanomaterials can bring numerous benefits in dentistry, especially in caries prevention; however, there is an important question about the safety of these materials for the nervous system. In the study by Feng et al1 a vast array of nanomaterials types and their major applications were outlined. View original article by Feng and colleagues.
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