What is an anodontia?
Anodontia is a genetic disorder defined as the absence of all teeth. It usually occurs as part of a syndrome that includes other abnormalities. Also rare but more common than anodontia are hypodontia and oligodontia. Hypodontia is genetic in origin and usually involves the absence of from 1 to 5 teeth.
What stage of tooth development does anodontia occur?
Primary (baby) teeth start to form between the sixth and eighth week of prenatal development, and permanent teeth begin to form in the twentieth week. If teeth do not start to develop at or near these times, they will not develop at all, resulting in hypodontia or anodontia.
What is false anodontia?
Definition. Absence of teeth as a result of impaction, delayed eruption, exfoliation or extraction. [
What causes teeth to not develop?
Besides genetic causes, experts suggest that advanced maternal age, low birth weight, maternal smoking, incidences of rubella, and other hormonal, environmental and infectious conditions may also be linked to missing teeth.
How do you fix anodontia?
Dentures are removable replacements for missing teeth. They are usually the most effective treatment for complete anodontia. Dental bridges. Bridges are fixed (non-removable) replacements that bind artificial teeth to surrounding teeth to fill in spaces left by missing teeth.
What is pseudo Anodontia?
Pseudoanodontia is a descriptive term that indicates clinical but not radiographic absence of teeth that should normally be present in the oral cavity for the patient’s dental and chronologic age.
What happens when permanent teeth don’t come in?
Impaction. When a permanent tooth is unable to erupt it can be known as impacted. Impacted teeth are those that develop completely underneath the gum line. Impaction can occur as a result of narrow jaws, prematurely lost baby teeth, or a lack of space.
When permanent teeth do not grow?
This means that the permanent teeth do not emerge, as they do not exist. This phenomenon is called hypodontia. In severe hypodontia, six or more teeth are missing and this is the condition Christina Hvaring, a researcher at the University of Oslo, has studied.
Is Anodontia hereditary?
Anodontia is an inherited genetic defect. The exact genes involved are unknown. However, Anodontia is usually associated with ectodermal dysplasia. Ectodermal dysplasia is not one disorder but a group of closely related hereditary conditions that affect the hair, nails, skin, and sweat glands.