Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-24195-4, published online 08 May 2018

The original version of this Article contained an error in Affiliation 1, which was incorrectly given as ‘National Engineering Laboratory for Digital and Material Technology of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, P. R. China’. The correct affiliation is listed below:

‘National Engineering Laboratory for Digital and Material Technology of Stomatology, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, P. R. China’

This error has now been corrected in the HTML and PDF versions of the Article.