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Module 4 - Primary dentition > appendix info > Flashcards

appendix info Flashcards

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1
Q

describe silvers mechanism of action in SDF?

A

interacts with bacterial cell membranes and bacterial enzymes that can inhibit bacterial growth

silver ions degrade cell walls, disrupt bacterial DNA synthesis and disrupt intracellular metabolic processes leading to cell death

strong inhibitory effect on cathepsins and matrix metalloproteinases (enzymes for collagen degradation)

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2
Q

indications for use of SDF?

A

high risk of caries
pre-cooperative children
treatment challenged with behavioural/ medical conditions
several carious lesions that cant be treated in 1 visit
patients without access to dental care

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3
Q

contraindications for use of SDF?

A

silver allergy
pain - irreversible pulpitis/ periapical periodontitis
infection
pt refusing treatment
unable to isolate tooth and maintain control over oral environment

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4
Q

what are signs of irreversible pulpitis/ periapical periodontitis?

A

spontaneous, severe, constant pain or wakening child at night

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5
Q

what are signs of infection?

A

swelling of soft tissues
abscess/ fistula

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6
Q

what are signs and symptoms of reversible pulpitis?

A
  • clinical signs of caries
  • not TTP
  • no abnormal mobility
  • no sign of infection
  • short lived pain
  • pain doesnt linger
  • pain in direct response to stimuli
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7
Q

what are signs and symptoms of irreversible pulpitis?

A
  • clinical signs of caries
  • not TTP
  • no abnormal mobility
  • no signs of infection
  • spontaneous pain
  • prolonged
  • pain lingers on removal of stimulus
  • pt wakes from sleep
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8
Q

what are the signs and symptoms of periradicular periodontitis?

A
  • clinical signs of caries
  • increased mobility
  • TTP
  • signs of infection
  • often acute symptoms gone
  • dull throbbing pain
  • can be asymptomatic
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9
Q

what is the pathology of pulpitis?

A

progression of occlusal caries to pulpal involvement similar in primary and permanent dentition

odontoblasts adjacent to lesion demonstrate inflammatory response

reactionary dentine is deposited

inflammed radicular tissue

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10
Q

what do you do if there are symptoms of irreversible pulpitis?

A

pulp therapy
vital - pulpotomy
non vital - pulpectomy

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11
Q

when is pulp therapy contraindicated?

A

Immunocompromised pt
risk of endocarditis

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12
Q

when do you not do a pulpotomy?

A

precooperative child
multiple pulp therapies needed
close to exfoliation
extensive root resorption
tooth unrestorable
signs of infection
radiographic sign of infection
medically contraindicated

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13
Q

how many roots do lower primary molars have?

A

2
mesial and distal

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14
Q

how many roots do upper primary molars have?

A

3
mesiobuccal
distobuccal
palatal

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15
Q

what percentage ferric sulphate is used to gain haemostasis in pulpotomy?

A

15.5%

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16
Q

how does ferric sulphate 15.5% achieve haemostasis?

A

forms ferric ion protein complex when interact with blood

17
Q

features of MTA?

A

biocompatible and produced little inflammation
induces hard tissue formation
good success rate
expensive

18
Q

why is occlusal reduction performed in a pulpotomy?

A

so tooth isnt high in occlusion
minimise discomfort
avoid additional irritation

19
Q

how do you carry out a pulpectomy?

A

gently debride canals with endodontic files
irrigate with sodium hypochlorite
dry canals
fill with calcium hydroxide
restore pulp chamber with GI core
restore tooth with crown
take radiograph

20
Q

why is calcium hydroxide used in pulpectomy?

A

disinfectant properties and restorable
bactericidal

21
Q

what do you never use for a pulpectomy in primary teeth?

A

gutta percha

22
Q

what are potential complications of pulpectomy?

A

early resorption leading to early exfoliation
over preparation
infection and caries
extrusion of files beyond apices and through furcation area

23
Q

what are the signs of success of primary molar therapy?

A

no symptoms
no infection
no mobility tenderness
retention of tooth
natural exfoliation

no bone loss in furcation region
no evidence of internal resorption

24
Q

what are signs of failure of primary molar pulp therapy?

A

pain
TTP in non exfoliating tooth
alveolar tenderness, sinus, swelling
non physiological mobility

interradicular radiolucency/ furcation bone loss
external/ internal resorption

25
Q

how often should you review primary molar pulp therapy treatment?

A

clinically - 6 months
radiographically - 12-18 monthly

Module 4 - Primary dentition (3 decks)

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