wizzie

Question 1

decision should be made by what age whether to remove or continue to observe third molars

Answer 1

before middle of third decade

Question 2

indications for removal of wisdom teeth

Answer 2

unrestorable caries
untreatable pulpal and periapical pathology
cellulitis
abscess
pericoronitis 
orthodontic reason 
periodontal disease
internal or external resorption of tooth or adjacent teeth 
fracture of tooth 
disease of follicle

involved in field of tumour resection
before reconstructive surgery

Question 3

contraindications for removal of wisdom teeth

Answer 3

fully impacted, asymptomatic
no communication with oral cavity
proximity to vital structures
compromised medical status

Question 4

radiographic signs of risk if idn injury during laop

Answer 4

darkening of root
narrowing of root
deflection of root 
dark and bifid apex of root
interruption of white line of IDN canal 
diversion of canal 
narrowing of canal

Question 5

post op instructions for laop

Answer 5

◦ Do not rinse or spit vigorously for 24h after
◦ Avoid disturbing socket with foreign objects
◦ Apply pressure over socket for 20-30min, change gauze every 30min if necessary
◦ Avoid drinking through straws/anything that requires suction
◦ No high intensity activities for 2-3 days
◦ Soft diet, eat on other side

Question 6

complications of laop

Answer 6

pain
swelling
bleeding
infection

rare: 
idn/lingual nerve damage
displacement of tooth 
soft tissue trauma
mandibular fracture
displacement into lingual pouch 
tmj dislocation 
trismus
alveolar osteitis

Question 7

how common is nerve injury from laop

Answer 7

1 week 0.41-8.4%
6 months 0-2.5%

higher risk cases 20.3%

Question 8

what is a coronectomy in laop

Answer 8

deliberate tooth retention, remove crown and leave roots untouched due to risk of nerve damage

cut to 3mm below bone level