English

Overview

Hemifacial microsomia is a condition in which one side of the face is smaller or underdeveloped or has parts that are missing. While the hallmark is unevenness (asymmetry) of the face, one or both sides may be affected. It is the second most common facial birth defect after cleft lip and palate. It happens more often in males than in females.

NIDCR-funded researchers are developing a color-changing “smart” mask to detect viruses like SARS-CoV-2 in wearers’ saliva or breath. The device could one day help with monitoring infection and preventing outbreaks.

Overview

Both fever blisters and canker sores are common across all ages and can be painful. However, they are separate conditions with different causes. Read further to learn how to tell them apart and find out which treatments might help ease the pain.

Fever Blisters (also known as cold sores) are painful fluid-filled sores that form on the outside of the mouth around the lips. Fever blisters are very contagious.