Tooth Anomalies (p. 307) Flashcards
What is hyperdontia?
What does it result in?
Multiple or extra teeth, resulting in abnormalities
What is mesiodens?
An extra tooth in the middle of the maxilla
What is pardons?
An extra tooth proximal to the molar
Distomolars, aka
Fourth molars, paramolars
What is anodontia?
What cases does it include?
Partial or full?
- The condition of having too few teeth.
- All cases of congenitally missing teeth
- Both
What does enamel dysplasia include?
All of the abnormalities of enamel growth causes by inflammation, fever, systemic disease, or heredity
What is enamel hypoplasia?
What does it lead to?
- Any condition that limits the enamel formation
- Leading to thin and pitted enamel
What is local hypoplasia?
What causes it?
- Single tooth
- Caused by the infection of a primary tooth that affects the permanent tooth under it
What is systemic hypoplasia?
What causes it?
-Caused by systemic trauma such as rickets and small pox
What does heretic hypoplasia affect?
All teeth, primary and permanent
What is amelogenesis imperfecta?
A hereditary condition marked by hypocalcification showing very thin enamel which chips away easily
What causes hypocalcified enamel?
Insufficient growth of enamel crystals
What is hypoplastic enamel?
Normal enamel density, but the enamel is very thin
What is enamel lamellae?
What causes it?
Cracks in the enamel due to early trauma
What are enamel tufts?
- Small areas of hypocalcified enamel at the DEJ
- Extends 1/3 of the way through enamel
