Oral Anatomy: Anomalies Flashcards
T/F: Microdontia and macrodontia refer to the amount of teeth in the arch.
False
Size of the teeth
What are the most commonly missing teeth?
- 3rd molars
- Max laterals
- Second PMs
Where is the location of a mesiodens?
Between maxillary centrals
T/F: Anodontia refers to missing a certain number of teeth.
True
Complete, hypo-(missing a few), oligo-(missing a lot)
___________ is the fusion of the tooth and alveolar bone.
Ankylosis
____________ is a bend in the root of a tooth.
Dilaceration
____________ is a molar with an elongated root trunk. Most likely in patients with amelogenous imperfecta, Klinefelter’s syndrome, or Down’s syndrome.
Taurodontism
____________ is a developmental abnormality in which the focal crown is invaginated. Occurs in maxillary lateral incisors.
Dens in dente
A talon cusp is an example of a ____________ on the maxillary lateral incisor.
Dens evaginatus
____________ is an apical extension of enamel usually located at furcation entrances on molar teeth.
Cervical enamel projection
_________ is a small focal mass of enamel formed apical to the CEJ.
Enamel pearl
Teeth with _____________ have confluent cementum only.
Concrescence
Teeth with _____________ have confluent dentin. Their tooth buds have fused together.
Fusion
Teeth with ___________ appear to be two crowns coming from a single root.
Gemination
___________ is caused by tooth-tooth contact creating wear facets.
Attrition
