There are currently 5 names in this directory beginning with the letter U.
Ultrasonic
Very high frequency sound waves or vibrations. Used in dentistry to power the tips of instruments to dislodge surface accumulations of calculus or tartar.
Unilateral
On one side of the mouth only.
Urea
An organic compound that used to be used in toothpastes to reduce caries activity.
Urticaria
A rash or inflammation of the skin which tends to be persistent or recurrent.
Uvula
The soft pendulous piece of tissue that hangs from the centre of the soft palate at the back of the throat.
