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BDS3 Oral surgery > Pt assessment for extraction > Flashcards

Pt assessment for extraction Flashcards

1
Q

What is metronidazole prescribed for?

A

Antibiotic for anaerobic bacteria

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2
Q

Sedation drug?

A

Benzodiazepine

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3
Q

Types of benzodiazepine?

A

Diazepam

Valium

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4
Q

Dental history?

A

Previous treatment, especially XLAs

anxiety
- preference for sedation or GA

Previous XLA difficulty

Previous dry socket

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5
Q

History of previous XLA?

A

Did it require stitches

Ow ling were you in the chair

Did it hurt during the extraction

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6
Q

Why be wary if it’s the pt first extraction?

A

Will they bail out

Might discover a bleeding disorder they were unaware of

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7
Q

Ethnicity/gender and bone density?

A

Afro-Caribbean males (especially f heavy built) often have more dense bone

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8
Q

Age and extraction?

A

Older more brittle/ Less elastic bone

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9
Q

TMJ and extraction?

A

Pre-existing TMD

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10
Q

Mouth opening and extraction?

A

Access

Pt usually open up around 3-4 cm

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11
Q

Swelling and extraction?

A

LA efficacy

Painful to suppport mandible if swollen

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12
Q

IO exam - what are you looking for in soft tissue?

A

Overgrowth and coverage of retained roots

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13
Q

IO exam - what are you looking for with regards to teeth?

A
  • Heavilyrestored/RCT
    – Fractures/coronal integrity
    – densereactive bone
    – partially erupted / infraoccluded
    – Adjacentteeth
    – Mobility
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14
Q

Relevance of Bone and extractions?

A
  • Thick zygomatic buttress overlying upper first molars
    – External oblique ridge overlying lower molars
    – Tori lingual to lower premolars
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15
Q

Why is the 7/8 harder to extract?

A

External oblique ridge and internal oblique ridge

Can’t move buccal and lingially is the lingual nerve - refer an 8

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16
Q

What direction do the palatal root want to one put of upper molars?

A

Bucally

17
Q

Adjacent anatomical structures?

A

Maxillary antrum - upper 5,6,7,8,

Mental foramen - lower premolars

IAN - lower wisdom teeth

18
Q

Hypercementosis?

A

Large cementum

19
Q

What has longer roots, 6 or 7?

A

6

20
Q

Where do you grab a tooth for extraction?

A

Bone level

21
Q

Describe these roots? 46

A

Sclerosed

22
Q

What do you call it when you take a tooth out and expose sinus?

A

Oro-antrum communication

23
Q

Conical roots?

A

One rounded root - e.g 8s, 5s

24
Q

What is going on with this root?

A

Dilaceration

25
Q

Describe this radiograph?

A

Radiolucency- lack of trabecular

Osteolytic lesion - eating away at bone

Caries in 46 but non cavitation

Monolocular - infection around both roots

Cysts at apex

26
Q

What is occuring at 21?

A

Internal resorption - making tooth weaker

Difficult extraction

27
Q

What is occuring at 36?

A

Hypercementosis at apex of distal root

28
Q

47?

A

Submerged or infraoccluded

Lying on inferior alveolar

BDS3 Oral surgery (5 decks)

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