Extraction Complications 4 Flashcards
what is the difference between OAC and OAF
OAC is acute - happens straight away
OAF is chronic - sinus tract forms if left untreated
what might be an indication of an OAC
bone at trifurcation of roots
bubbling at socket
what is the treatment for OAC
encourage clot
suture margins
encourage haemostasis
post op instructions
maybe antibiotics
how do you treat OAF
excise the sinus tract
buccal/ palatal flap depending where it is
collagen membrane
what decreases tension when closing a flap
scoring the periosteum
what is a palatal rotation flap
keep base attached to posterior palate and take it round and connect to the buccal aspect
what is a root in antrum
root is pushed up into the antrum
how can root in antrums be retrieved
via the socket
via the lateral antrum
how do you access the maxillary sinus through the nose
up the nose and past the middle meatus
what is osteomyelitis
inflammation of the bone marrow - patient usually systemically unwell
usually because of underlying problem with host defences
what occurs microbiologically in osteomyelitis
ingress of bacteria into cancellous bone and oedema in the bone marrow spaces
what is the treatment for osteomyelitis
take a swab - see whats there and prescribe antibiotics
drain pus
remove non-vital teeth
debride necrotic pieces of bone - remove down to bleeding bone
what is the first line drug for infection in dentistry
penecillin
what is ORN
osteoradionecrosis
what is osteoradionecrosis
seen in patients who have received radiotherapy of the head and neck
bone within radiation beam becomes non-vital
turnover of any remaining viable bone is slow
self repair ineffective
