notes Flashcards

1
Q

tx

periapical abscess

A
  • RCT
  • drainage (if possible)
  • antibiotics if severe infection/systemic/swelling spread
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2
Q

periodontal abscess Tx

A
  • drainage
  • debridement
  • saline mouthwash
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3
Q

lost crown/bridge

Tx

A

should have used a putty index to make the crown, therefore use this again to make a temporary

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4
Q

6 points of Possel’s envelope

A
  • centric relation contact/ RCP
  • maximum intercuspaction ICP
  • edge to edge
  • max protrusion
  • terminal hinge axis
  • maximum opening

chewing arch

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5
Q

posselts envelope is view from

A

sagittal

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6
Q

mandibular frontal plane movements

A
  • max intercuspation
  • max opening
  • max lateral (s)

shield shaped

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7
Q

CD4+ helper cells

Th1

A

CD8+ killer/macrophage

secretes cytokines usually associated with inflammation, such as interferon-gamma and TNF and induces cell-mediated immune responses

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8
Q

CD4+ Helper cells

Th2

A

produces cytokines such as IL-4 and IL-5 (interleukins)

that help B cells to proliferate and differentiate and is associated with humoral-type immune responses.

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9
Q

class III malocclusion

treatment options dependent on if

A

non-growing

or

growing

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10
Q

non-growing Class III malocclusion tx options (3)

A

acceptance

orthodontic camoflage (procline U, retrocline L)

surgery

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11
Q

growing class III malocclusion tx options (3)

A
  • acceptance
  • orthodontic camouflage
  • growth modification (reverse pull headgrear, maxilla forward /down, mandible backward/down, forehead/chin anchorage)
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12
Q

pemphigrus vulgaris

A

blisters to orofacial/genital region

autoimmune

corticosteroids

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13
Q

OAC

A

passage of fluids and food

leakage of air

some symptomatic

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14
Q

quatiflex MDM

A

inhalation sedatin

5% Nitrous oxide increase every 3-5mins

10-20% used

3-5min 100% oxygen recovery time

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15
Q

swollen lips 5 causes

A

trauma

allergy

bug bite

eczema

orofacial granulomatosis

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16
Q

stroke impact

A

impaired cognitive reasoning

arms/legs may be affected

drooping but not paralysed facial muslces (move eyebrows - forehead spared)

may not be able to understand them

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17
Q

non stroke nerve damage to face (e.g. bell’s palsy)

A

unilateral paralysation of one side of face

only facial muscles

cannot close eye or wrinkle brow

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18
Q

FAST for stroke

A
  • face - can they smile/drooping mouth?
  • arm - can they lift both arms?
  • speech - can you understand what they are saying?
  • Time to call 999
19
Q

neurological site of damage for stroke

A

CNS

contralateral side

20
Q

non-stroke (bell’s palsy) site of neurological damage

A

peripheral

same side (ipsilateral)

21
Q

checks for ortho appliance delivery

A
  • right pt for appliance
  • matches prescription
  • integrity of wire work
  • sharp areas
  • blanching when placed in
  • posterior retention (arrowheads, flyovers)
  • anterior retention
  • activate
  • tell-show-do
  • review 4-6 weeks
22
Q

advice for pt after delivery URA

A
  • practice speaking - read a book aloud
  • increased salivation for 24hours
  • discomfort - normal means working
  • wear 24/7
  • clean after every meal with soft toothbrush
  • remove when playing contact sports or high apiration activities
  • avoid hot or sticky foods - scald
  • non compliance increases time for tx
  • emergency contact number
23
Q

neurological action of stroke

A
  • interuption of the supranuclear fibres from the motor areas in the cerebral cortex (before they reach the facial nucleus)
  • upper facial muscles receive crossed and uncrossed fibres
  • frontalis/orbicularis oculi spared
24
Q

SIMD

A

scottish index of multiple deprivation

  • area based (postcode) index of deprivation

based on 7 indicators

  • education
  • crime
  • access
  • housing
  • income
  • employment
  • health
25
nerves anaesthetised in inferior alveolar nerve block
inferior alveolar (and so mental) lingual long buccal
26
areas affected by inferior alveolar nerve block
mandibular teeth to midline body of mandible buccal mucosa anterior 2/3 tongue and floor of mouth on same side
27
anatomical guides for IAN bloock
coronoid notch pterygomandibular raphe retromolar pad anterior ramus of mandible opposite 5
28
too lateral IAN placement
hit bone early before 2-2.5cm advancement reposition handle distally
29
too far IAN placement
no bone hit reposition handle distally
30
IAN block achieve test numb
lower 1/2 lip 1/2 tongue probe gingival adjacent to tooth for op
31
azoles action
prevent ergosterol biosynthesis via inhibition of 1,4 demihylase enzyme
32
azole resistance
* upregulation of efflux pumps (CDR/MDR) * biofilm formation * changes to ergosterol target enzyme
33
dentally fit for cancer tx
free from dental disease and any possible source of infection before start cancer tx
34
caries - clincal Vs radiograph appearance
deeper clincally than on radiograph
35
composite Vs amalgam
aesthetics minimal prep bond (marginal seal adv) similar modulus of elasticity
36
biofilm and antimicrobials
impair diffusion (need mechanical removal) antibiotics can bind to it - resistance growth rate
37
glucans affect inbiofilm
adhesion enamel surfcaes autoaggregate
38
maxillary nerve CNV2 route
trigeminal ganglion foramen rotundum * pterygopalatine ganglion - greater and lesser palatine nerves inferior orbital fissue * Ant, mid and post alveolar nerves * infraorbital nerve * zygomatic temporal and facial
39
highest quality study
systematic review of RCT
40
RCT 4 characteristics
blinding ramdomisation comparative (control) inclusion criteria
41
reasons for lower 6s extractions
grossly carious avoid caries in adj teeth reduction of future ortho need (crowding) - spontaenous space closure
42
reasons to avoid paediatric extractions
possible GA risk bad dental experience - can hinder future
43
how to check practice protocol (e.g. decon)
* check current legislation and compare to cuurent SOP * observe (audit) * compare findings to current legislation determine if action required
44
warafarin pt antibiotic of choice
amoxillcillin least interference (BNF)