Module 18-A Flashcards
A supernumerary tooth is termed?
Hyperdontia
A supernumerary tooth that is towards the midline is termed?
Mesiodens
A supernumerary tooth that is towards the distal is termed?
Distodens
Anodontia means?
Congenitally Missing
What is the term for a tooth that the root has become “glued” to the surrounding bone?
Ankylosed
Enameloma means?
Enamel Pearls
Enamel pearls look like ______ radiographically?
pulp stones
Fusion occurs when ______ and one other tissue of an _______ ______ unite?
dentin
adjacent tooth
If you see two crowns clinically, but there is only 1 root seen radiographically, this is termed?
Germination
Fusion has ______ crown/s and ______ root/s?
1
2
What is the term for a tooth when the enamel invaginates or folds into the tooth?
Dens en Dente
Dilaceration means?
A s-shape or wave in the root or crown development
What condition is a developmental defect that results in elongated pulp chambers and short roots?
Taurodontia: Bull teeth
Amelogenesis Imperfecta is when _____ is absent, ______, and poor _______. However, the ______ and ______ are normal?
enamel thin quality dentin roots
Dentinogenesis Imperfecta is when there is poor _______ formation, _______ roots, and early _______ of the pulp chambers?
dentin
short
calcification
Microdontia means?
small teeth (peg laterals)
Large teeth are termed?
Macrodontia
What is the term for a union of roots by their cementum?
Concrescence
What kind of anomalies form around crowns of un-erupted teeth caused by a defect in the eruption process?
Dentigerous (folicular) cyst
An Ameloblastoma is a _____ ____ growing tumor that is seen as a ____ area on an x-ray?
Benign
Aggressive
Radiolucent
Ameloblastoma’s are most frequently in the region of the _______
angle of the mandible
Ameloblastoma’s arise from ________ and may progress into several _______
dental lamina remnants
compartments
What is the term for tumors of small, mis-shaped teeth that can contain enamel, dentin, cementum, and pulp formations?
Complex/Compound Odontomas
A _______ odontoma occurs more frequently. It contains tooth-like structures in a radiolucent sack?
Compound
Complex Odontomas are large ______ mass of ______ contained in a radiolucent area
radiopaque
tissue