Endodontics

Question 1

What bacteria is involved in apical periodontitis?

Answer 1

• fusobacterium
• provotella

Question 2

normal pulp

Answer 2

symptoms free
responds normally to pulp testing

Question 3

reversible pulpitis

Answer 3

discomfort to cold or sweet stimulus resolve in few seconds
pain not spontaneous
can be due to caries , deep restoration and exposed dentine

Question 4

Symptomatic irreversible pulpitis

Answer 4

• thermal stimuli trigger sharp pain which does not resolve within seconds
• spontaneous pain
• pain killers do not help
• pain keeps patient awake at night
• can be due to deep caries , extensive restoration, fracture exposing pulp
• no pain to percussion

Question 5

Asymptomatic irreversible pulpitis

Answer 5

• normal response to thermal stimuli
• may be due to trauma
• deep caries
• no symptoms

Question 6

Pulp necrosis

Answer 6

• non responsive to pulp testing
• asymptomatic
• may be associated with apical periodontitis
• causes may include
  calcification
  recent trauma
  patient teeth naturally do not respond
• can check adj teeth for accurate readings

Question 7

What other pulp diagnosis are related to pulp condition?

Answer 7

• previously treated
• previosly initiated therapy

Question 8

normal apical tissues

Answer 8

• no pain to percussion
• lamina dura intact , uniform PDL space

Question 9

Symptomatic apical periodontitis

Answer 9

• represents inflammation at apical of periodontium
• pain when biting and during percussion
• may not present with radiographic changes

Question 10

Asymptomatic apical periodontitis

Answer 10

• inflammation and destruction of apical periodontium
• apical radiolucency on radiograph
• no clinical symptoms or pain

Question 11

chronic apical abscess

Answer 11

• inflammatory reaction to pulpal infection and necrosis
• gradual onset
• little or no discomfort
• ## intermittent pus discharge vis sinus tract

Question 12

how to find the source of a sinus tract?

Answer 12

Place GP cone into stoma and opening and take a radiograph

Question 13

What is an acute apical abscess?

Answer 13

• inflammatory reaction to pulpal infection and necrosis
• rapid onset
• spontaneous pain
• tooth painful to pressure
• pus formation
• swelling of affected tissues
  radiographic signs of destruction may not always be present
• systemic symptoms often present - malaise , fever and lymphadenopathy

Question 14

condensing osteitis

Answer 14

• diffuse radiopaque lesion
• represents a localised bone reaction to low grade inflammation
• usually seen at apex of tooth