DIFFICULTY OF XLA Flashcards
1
Q
what are the commonest impacted teeth?
A
mandibular 8s
maxillary canines
maxillary incisors
second premolars
2
Q
what surgical instrument may need to be used for upper 8s if cant engage with forceps?
A
bayonet forcep s
3
Q
why are lone standing molars more difficult to extract
A
alveolar bone thickens and PDL becomes more dense due to heavy occlusal loading
4
Q
when would you find submerged teeth?
A
affects deciduous molars where there is no permanent successor
or ankylosis of the tooth
5
Q
why may teeth present with bulbous roots?
A
hypercementosis of root and root tip
6
Q
what are types of root resorption?
A
external - apical, coronal
internal
7
Q
types of infections?
A
periapical
periodontal
osteomyelitis
8
Q
what are the risks when extracting a lone standing molar?
A
fractured tuberosity
OAC
