occlusal problems in mixed dentition Flashcards
what is crown root dilaceration?
when trauma causes displacement of unerupted pernament crown and root formation continues in different direction
where is the most common place for a supernumerary to occur?
premaxilla
what is hypodontia?
congenital absence of one or more teeth
can hypodontia be hereditory?
yes
what are neonatal teeth?
deciduous teeth that erupt at birth
what can be a problem with neonatal teeth?
can cause feeding problems
what is an eruption cyst?
a blue mucosa overlying an erupting tooth
what is the management of an eruption cyst?
leave it. It will resolve as the tooth erupts
ankylosed teeth may appear what?
as though they are submerged
avulsion of deciduous incisors can result in what?
a centre line shift of incisors
what are balancing extractions?
extracting a contra lateral tooth to the tooth planned to extract.
what are serial extractions?
planned sequence of extractions to relieve incisor crowding in mixed dentition
what can cross bites cause?
- displacement of tooth and jaw
- tooth wear
if a pt is sucking their thumb, what are they likely to get?
- proclined upper anteriors
- retroclined lower incisors
- buccal segment crossbites
- reduced overbit or anterior open bite
what is the aetiology of median diastema?
- small teeth/large jaws
- missing teeth
- midline supernumerary
- prominent frenum
- proclined upper incisors
