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

. 2020 Dec 13;13(24):5690. doi: 10.3390/ma13245690

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

© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Irritation evaluation using the hen’s egg test-chorioallantoic membrane (HET-CAM) assay. (A) Stereomicroscopic images of the CAM vasculature before treatment (T0) and 5 min after treatment with extraction medium of test orthodontic implants P1, P2, and P3, next to sodium lauryl sulfate (SLS) 0.5% (positive control) and phosphate buffered saline (PBS) (negative control); scale bars 500 µm. (B) Irritation scores of the test orthodontic implants P1, P2, and P3. The experiment was performed in triplicate.