Supernumeraries Flashcards
1
Q
Define supernumerary
A
A tooth or tooth like structure which develops in addition to then normal series of teeth
2
Q
What are the clinical features relating to supernumeraries?
A
- failure of tooth eruption
- diastema
- crowding
- displaced tooth
- root resorption of adjacent teeth
- prevent tooth movement
- cystic change Within follicle
3
Q
What are the 5 types of supernumerary?
A
- Conical
- Tuberculate
- Supplemental teeth
- Complex odontomes
- Compound odontomes
4
Q
How can supernumeraries be managed?
A
- Leave and monitor
- Extraction and expose permanent tooth if impacted
- Extraction - allow for orthodontics
5
Q
What are the causes of supernumeraries?
A
Genetics
Local factors - hyperactivity within lamina dura
6
Q
Which type of supernumerary most commonly prevents upper incisors eruption?
A
Tuberculate
7
Q
The presence of an upper mesiodens (conical supernumerary) can result in?
A
An upper midline diastema
8
Q
Where are supernumerary teeth most often found?
A
In the midline of the palate near the central incisors
9
Q
What are the issues with supernumeraries?
A
- tooth can be displaced from normal position
- tooth can fail to erupt
- root resorption to other teeth
