11. Trauma Flashcards

(47 cards)

1
Q

List the 7 types of dental trauma injuries:

A
  1. Enamel infraction
  2. Enamel fracture
  3. Enamel-Dentine Fracture
  4. Enamel-Dentine-Pulp Fracture
  5. Crown-Root fracture without pulp exposure
  6. Crown-Root fracture with pulp exposure
  7. Root Fracture
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2
Q

Enamel Infraction

A

An incomplete fracture of the enamel only

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3
Q

Enamel infraction: signs and symptoms

A

Non tender
No radiographic signs

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4
Q

Enamel fracture

A

A complete fracture of the enamel

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5
Q

Enamel fracture: signs and symptoms

A

Non tender
Positive sensibility test response
Radio graphically visible

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6
Q

Enamel-DentineFracture

A

Fracture of the enamel into dentine

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7
Q

Enamel-dentine fracture: signs and symptoms

A

Not tender
Positive sensibility response
Radiographically visible

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8
Q

Enamel-dentine- pulp fracture: signs and symptoms

A

Non tender
Pulp sensitive to stimuli
Radiographically visible

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9
Q

Crown-Root fracture without pulp involvement: signs and symptoms

A

TTP
coronal portion mobile
Positive sensibility response

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10
Q

Crown-Root fracture with pulp involvement:signs and symptoms

A

TTP
coronal portion mobile

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11
Q

Root Fracture: signs and symptoms

A

Coronal portion mobile
TTP
bleeding
-ve sensibility
Crown couloir change (red/grey)

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12
Q

List the 4 possible traumatic periodontal injuries:

A
  1. Concussion
  2. Subluxation
  3. Luxation (lateral, intrusive, extrusive)
  4. Avulsion
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13
Q

Concusion:

A

Bruising of the socket

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14
Q

Subluxation:

A

Loosening of the tooth in the socket

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15
Q

Luxation:

A

Complete displacement of the tooth in the socket

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16
Q

Avulsion:

A

When the tooth is completely lost from the socket

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17
Q

Concussion: signs and symptoms

A

No displacement
Tooth TTP
normal mobility
No radiographic changes

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18
Q

Subluxation: signs and symptoms

A

No tooth displacement
tooth TTP
Increased mobility
Bleeding
-ve sensibility

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19
Q

Intrusive Luxation: signs and symptoms

A

Immobile tooth
-ve sensibility
Radiographically, loss of PDL

20
Q

Lateral Luxation: signs and symptoms

A

Immobile tooth
-ve sensibility
Radiographically, widened PDL

21
Q

Extrusive Luxation: signs and symptoms

A

Mobile tooth
-ve sensibility
Radiographically, increased PDL space

22
Q

How can dental trauma be prevented?

A

Overjet reduction
Mouth guards

23
Q

What are the 10 steps when managing dental trauma?

A
  1. Assess for signs of head trauma
  2. Assess for other injuries
  3. Assess for any aspirations of teeth
  4. E/O exam
  5. I/O exam
  6. Trauma table
  7. Sensibility tests
  8. Radiographs
  9. Diagnosis
  10. Treatment
24
Q

What are signs of head trauma?

A

Loss of consciousness
Strange behaviours
Vommiting
Visual disturbance

25
What should you asses for E/O after dental trauma occurs?
Lacerations Palpate for fractures Assess any bruising as this can indicate a fracture
26
What should you assess in an I/O exam after dental trauma?
Soft tissues Hard tissues Occlusion
27
What are the 8 things assessed in a trauma table?
1. Tooth/teeth involved 2. Direct colour 3. Trans colour 4. Alveolar tenderness 5. Sinus 6. TTP 7. Mobility 8. Perfusion note
28
What situations would you always extract a primary tooth after trauma?
Excessively loose teeth Teeth that damage permanent tooth Infection risk teeth Unrestoable teeth
29
What are the 2 possible treatment options for traumatised primary teeth?
XLA or Restore and Monitor
30
In the permanent dentition, if a traumatised tooth is restorable, what should you do?
If mobile - splint, restore and review If non mobile - restore and review
31
What is the aim of a pulpotomy?
To remove any infected and inflamed pulpal tissue coronary to maintain the tooth’s vitality
32
What are the 7 steps for a pulpotomy?
1. LA 2. Rubber dam 3. Amputate exposed pulp 4. Arrest bleeding with cotton wool and saline 5. Dress with calcium hydroxide or MTA 6. Place a layer of RMGIC and cure 7. Restore the tooth
33
What is the aim of placing a composite bandage following trauma?
To seal over any exposed dentinal tubules to minimise the risk of microbial invasion and prevent sensitivity
34
What is the aim of splinting a tooth?
To immobilise a traumatised tooth in the correct anatomical position to prevent further trauma and allow healing to occur.
35
What are the 6 steps when reviewing trauma?
1. Pt hstiory 2. Symptoms history 3. Examination: E/O and I/O 4. Trauma table 5. Sensibility tests 6. Radiographs
36
What are 4 common complications of trauma in the PRIMARY dentition?
1. Pulpal necrosis 2. Pulpal obliteration 3. Root resorption 4. Damage to successors
37
What are the 6 common complications following dental trauma in the PERMANENT dentition?
1. Pulpal necrosis 2. Resorption 3. Ankylosis 4. External resorption 5. Internal resorption 6. Discolouration
38
Pulpal necrosis: signs and symptoms
Persistent grey colour Tenderness Sinus Suppuration Swelling PA inflammation
39
Pulpal obliteration: signs and symptoms
Yellow/opaque colour Shrinking pulp chamber
40
Root resorption: signs and symptoms
Mobility Shortened roots
41
Damage to successors: signs and symptoms
Hypomineralisation Crown dilaceration Root duplication Root dilasceration Arrest of formation
42
Ankylosis: signs and symptoms
No mobility Metalic percussion note No PDL present Radiographically
43
External root resorption: signs and symptoms
Mobility Shortened external surface of roots
44
Internal root resorption: signs and symptoms
Pink spot on tooth Round radiolucency in the root canal Radiographically
45
What causes discolouration of the crown?
Pulpal necrosis RCT trauma
46
List 6 Tx options for discoloured teeth:
Crown Veneer Post and core Internal bleaching External bleaching Composite camouflage
47
Hat are the 2 key guidelines for dental trauma:
IADT Dental Trauma Guide