Trauma I

Question 1

Peak incidence for trauma?

Answer 1

8-10 years

Question 2

Aetiology of trauma?

Answer 2

Falls and collisions
Contact sports
Activities
Non-accidental injuries

Question 3

Predisposing factors of trauma

Answer 3

Increase OJ
Poor lip coverage
Previous trauma
Epilepsy 
ADHD

Question 4

Prevention of oral trauma?

Answer 4

Mouthguards

Early ortho intervention

Question 5

How classify fractures of teeth?

Answer 5

Enamel infarction
Enamel fracture
Enamel-dentine fracture

Question 6

What can fractures be further classified as?

Answer 6

Complication

Uncomplicated

Question 7

What is enamel infarction?

Answer 7

Dental trauma to enamel - reamins adherent to underlying dentine
Incomplete fracture - no tooth loss

Question 8

What is enamel fracture?

Answer 8

Loss of tooth tissue - dentine not affected

Question 9

What enamel-dentine fracture?

Answer 9

Loss of dentine and enamel

Question 10

Difference between complicated and uncomplicated fractures?

Answer 10

Complicated = plural involvement
Uncomplication = no pulpal involvement

Question 11

What are different types of root fractures?

Answer 11

Can be in apical 1/3, middle 1/3 or coronal 1/3

Can be horizontal or oblique

Question 12

What radiographs need for root fracture?

Answer 12

Two views: PA/ USO

Question 13

What are dento-alveolar injuries?

Answer 13

Concussion
Subluxation
Luxation

Question 14

What is concussion injury?

Answer 14

Injury to supporting structures w/o abnormal loosening or displacement

Question 15

What is subluxation?

Answer 15

Injury to supporting tissue w/ abnormal loosening but w/o displacement

Question 16

What are 4 types of luxation injury?

Answer 16

Intrusion
Extrusion
Lateral
Avulsion

Question 17

What is intrusion?

Answer 17

Tooth moved into socket

Question 18

What is extrusion injury?

Answer 18

Tooth moved out of socket

Question 19

What is lateral luxation?

Answer 19

Tooth moved on axis

Question 20

What is avulsion?

Answer 20

Tooth lost from socket

Question 21

What are examples of alveolar injuries?

Answer 21

Crushing/ compression alveolar lwall
Fracture socket/ wall
Fracture alveolar process/ maxilla/ mandible

Question 22

What hx need if inury?

Answer 22

Pt details
Who attended with 
C/O - HPC
Lost tooth - is accounted for
Any safe guarding concenrs
Other issues take precedent - head injuries
MH
PDH

Question 23

What will see on EO exam if bony involvement?

Answer 23

Step deformities, unable open/close

Question 24

What look for EO exam?

Answer 24

Swelling, bruising, laceration

Question 25

What may see ST on IO exam?

Answer 25

Swelling, laceration, haematoma, torn frenum

Question 26

What look for with teeth on IO exam?

Answer 26

Fractures, pulpal involvement, discolouration, mobility, dispalcmenet, buccal tenderness, TTP

Question 27

What assess on radiograph when trauma?

Answer 27

``` Size pulp Development apex Root fractures State periapical region Relation permanent sucessor ```

Question 28

How test for vitality?

Answer 28

Clinically: discolouration/ sinus | Ethyl chloride/ EPT

Question 29

What consider when doing vitality testing?

Answer 29

Concussion/ luxation injuries - transient nerve damage may have -ve response up 3 months