Exodontia

Question 1

what are the indications for extraction of teeth?

Answer 1

Caries
Periodontal disease
Abnormal wear
resoprtion
trauma
supernumeray
suppletmental
prior to bisphosphonates and radiotherapy

Question 2

what 10 problems may arise when extracting teeth?

Answer 2

extract wrong tooth
loosening of adjacent teeth
damage to developing tooth follicle
damage to adjacent restorations
resistance to extraction
fracture of the root
displacement of the root 
teeth inhaled or swallowed
damage to tissues
fractured instrument

Question 3

what structures may become damaged?

Answer 3

bone
soft tissues
nerves
blood vessels

Question 4

what damage to bone may occur?

Answer 4

fracture of the mandible
fracture of the tuberosity

burns

bony fragments

Question 5

How can nerves be damaged?

Answer 5

Neuropraxia
Axonetesmisis
Nuerotemesis

Question 6

how can you manage damage to blood vessels?

Answer 6

identify where bleeding is:
bone: bone wax
Soft tissue: ligature/diathermy

pressure and LA

Question 7

where can teeth be displaced into?

Answer 7

Lower teeth Lingual pouch:

upper teeeth: antrum or pterygomaxilliary space

Question 8

how do you manage displaced teeth into lingual pouch?

Answer 8

need GA

Question 9

how do you manage displaced teeth into pterygomaxilliary space?

Answer 9

access via ascending ramus 
Henry 1972 (via antrum)

Question 10

what complication may arise when retrieving a tooth displaced in to the pterygomaxilliary space?

Answer 10

risk of damage to the venous plexus

Question 11

how can damage to the dental follicle arise?

Answer 11

luxating deciduous teeth

surgical exposure of supernumaries

Question 12

when is the caldwell luc approach needed?

Answer 12

when a tooth or root has been displaced into the sinus

Question 13

Which factors can predispose to jaw fracture>

Answer 13

Osteomyelies
FIbrous dysplsia
Multiple Myelome
Osteoporposis
cyst
timout
Pagets 
OI

Question 14

What incison can you do for extracting 8’s?

Answer 14

Wards and modified wards incison

Question 15

What is the difference to wards and modified wards?

Answer 15

Wards: this has is an incison between 7 and 8

Modified wards allows more anterior access

Question 16

What must you be careful with when using wards?

Answer 16

Buccal branch

Question 17

What should you always do before sectioning a tooth?

Answer 17

Always need to ensure to has been mobilised and then section from furcation point

Question 18

Hei should you section a horizontally impacted tooth?

Answer 18

Vertically from furcation point

Section crown and then roots

Question 19

How do you remove a Distally inclined tooth?

Answer 19

Removal distal bone first as this will allow tooth to tip into the space
Crown is used as initial elevation point
Ensure tooth is mobile
Remove the crown to Allow access to roots

Question 20

How do you extract upper third molars?

Answer 20

Ensure there has been adequate bone removal and always support posterior.

Question 21

How should you extarct upper third molars that are buccally placed ?

Answer 21

Using elevators eg Warwick James Coupland

Question 22

What is the risk of 8’s which are in line of the arch?

Answer 22

There is alot of buccal bone and this fracture of tuberosity risk