Comment on

• Application of dental nanomaterials: potential toxicity to the central nervous system.

  Feng X, Chen A, Zhang Y, Wang J, Shao L, Wei L. Feng X, et al. Int J Nanomedicine. 2015 May 14;10:3547-65. doi: 10.2147/IJN.S79892. eCollection 2015. Int J Nanomedicine. 2015. PMID: 25999717 Free PMC article. Review.
• Potential toxicity of dental nanomaterials to the central nervous system.

  Solla DF, Paiva TS, André M, Paiva WS. Solla DF, et al. Int J Nanomedicine. 2015 Sep 3;10:5593-4. doi: 10.2147/IJN.S91856. eCollection 2015. Int J Nanomedicine. 2015. PMID: 26366079 Free PMC article. No abstract available.