Search the A-Z for the meaning of the word or simply to find out more about dental health.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
There are currently 13 names in this directory beginning with the letter H.
Haemangioma
A collection of blood vessels on the surface of the skin which form into a tumour. A "port wine stain" is a less severe condition brought about by surface blood vessels becoming obtrusive.
Halitosis
[see Bad breath]
Herpes
[see Cold Sores]
Holistic Dentistry
Treating conditions using a 'whole body' approach.
Hydrophilic
Having an affinity with water.
Hydrophobic
Having water-repelling properties.
Hygienist
A dental professional who specialises in the maintenance of good oral hygiene, dental fitness, and preventive dentistry.
Hygroscopic
Moisture absorbing.
Hyoid
A horseshoe shaped bone that lies between the thyroid cartilage and the base of the tongue.
Hypersensitive
Excessive or exaggerated reaction to a stimulus such as temperature (hot or cold).
Hyperventilation
Breathing at an abnormally high rate which can induce unconsciousness.
Hypocalcification
A condition in which the enamel fails to develop properly. This can occur if the patient suffers a serious illness whilst the tooth germ is developing leaving a defective line on the surface of the tooth.
Hypodontia
A condition in which some of the tooth germs are absent and the normal number of teeth fail to develop.