Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2019 Aug 21;10:919. doi: 10.3389/fphys.2019.00919

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2019 Lilaj, Dauti, Agis, Schmid-Schwap, Franz, Kanz, Moritz, Schedle and Cvikl.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

Scanning electron microscope micrographs of all tested products after the bleaching procedure showing a base roughness of all specimens due to the grinding procedure. All micrographs are illustrated in 10 000 fold magnification (the yellow bar represents 10 μm). (A) Opalescence^® PF 10%, OP 10CP. (B) Philips ZOOM^®! NiteWhite^® 16%, PNW 16CP. (C) Philips ZOOM^®! DayWhite^® 6%, PDW 6HP. (D) Philips ZOOM^®! 6%, PZ 6HP. (E) Magic White^® 0%, MW 0HP. (F) Smartbleach^® 6%, SB 6HP. (G) Philips ZOOM^®! 25%, PZ 25HP. (H) Opalescence^® Boost 40%, OP 40HP. (I) Philips Dash 30%, PD 30HP.