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BDS3 OSCE > OSCE > Flashcards

OSCE Flashcards

1
Q

Upper removable appliance components

A

Active component
Retention
Anchorage
Baseplate

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2
Q

What information would you give to a patient who smokes tobacco but is considering switching to e-cigarettes

A
  • e-cigs are 95% less harmful
  • lack of evidence so consider other forms e.g. patches
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3
Q

Emergency drugs (only stunning men are getting actual girls)

A
  • oxygen
  • salbutamol
  • midazolam
  • adrenaline
  • GTN spray
  • Aspirin
  • Glucagon
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4
Q

oxygen conc for an unwell patient

A

15l/min

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5
Q

Warfarin mechanism of action

A

inhibits coagulation by vitamin K antagonism

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6
Q

Max INR for extraction in Scotland

A

3.5

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7
Q

Warfarin interactions

A
  • metronidazole and ibuprofen increase effect
  • carbamazepine inhibits
  • don’t use NSAID’S as anti platelet effects increase bleeding time
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8
Q

Smoking cessation - 5As

A
  • ask
  • advise
  • assess
  • assist
  • arrange follow up
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9
Q

Caries risk assessment components

A
  • MH
  • Fluoride
  • Oral hygiene
  • clinical assessment
  • diet
  • saliva
  • social history
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10
Q

What should be included in a diet diary?

A
  • everything eaten and when over the course of 3 days
  • 1 weekend day and 2 week days
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11
Q

fitting a removal appliance - steps

A
  • ensure right patient and right appliance
  • ensure appliance matches description
  • check for sharp edges
  • integrity of wire
  • fits into mouth without blanching/trauma
  • posterior retention
  • anterior retention
  • activate active component
  • demonstrate correct removal procedure for appliance and ask patient to do it
  • book review appointment
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12
Q

instructions to pt after delivering removable appliance

A
  • will feel big and bulky initially - will get used to it
  • may be mild discomfort - indicates it is working
  • will impinge on speak - practice reading aloud
  • may drool especially first 24 hours
  • wear all the time especially meal times
  • Clean after every meal
  • remove and store for contact and active sports
  • non-compliance significantly increases treatment time
  • avoid sticky hard foods and fizzy drinks
  • be cautious with hot food and drinks
  • emergency contact number
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13
Q

Retentive component used for molars

A

Adams clasp 0.7mm HSSW

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14
Q

Retentive component used for incisors

A

Southend clasp 0.7mm HSSW

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15
Q

Post-op instructions following extraction

A
  • expect pain - recommend analgesia for 1-3 days
  • bleeding unlikely but possibe
  • avoid exercise that day
  • do not explore socket with tongue - can disrupt clot
  • avoid hard or hot foods
  • pt still numb - hot foods
  • avoid alcohol for 24 hours
  • do not rinse out for several hours or until the next day
  • rinse around 4 times a day especially after eating
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16
Q

Medical Emergency assessment

A

ABCDE
- Airway
- breathing
- circulation
- disability
- exposure

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17
Q

Anaphylaxis treatment

A
  • IM injection adrenaline 1:1000, 0.5mg
  • only if life threatening
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18
Q

Angina treatment

A
  • 400micrograms GTN spray
  • 300mg aspiring crushed or chewed if MI
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19
Q

asthma treatment

A
  • salbutamol inhaler 100micrograms per actuation
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20
Q

hypoglycaemia treatment

A
  • glucose tablets
  • glucose 1 milligram IM injcetion
21
Q

Angina symptoms

A
  • increased breathing and circulation rate
  • pale, clammy, central chest pain
22
Q

Asthma features

A
  • increased breathing and circulatory rate
  • wheezing
23
Q

hypoglycaemia features

A
  • initially talking
  • initially increased breathing and circulation rate
  • initially alert
  • irritable, confused, pale
24
Q

seizure treatment

A
  • if repeated or prolonged consider 10mg midazolam via buccal mucosa
25
Q

syncope treatment

A

elevate legs

26
Q

Reversible pulpits

A
  • mild inflammation to pulp
  • tooth may respond more than normal to stimuli e.g. heat
  • stimuli tend to produce sharp pain (a delta fibres) that resolves within 5-10 secs after stimuli removed
  • cause of inflammation caries - pulp-dentine complex returns to normal
27
Q

irreversible pulpitis

A
  • dull aching pain lasting minutes or hours
  • worsens at night or when lying down due to increased pulpal pressure
  • will become necrotic if left untreated
  • tx = XLA/RCT
28
Q

necrosis

A
  • blood supply non-existent
  • negative to EPT and cold sensitivity
  • radiographic PDL thickening and PA lucency
  • tx= ends/XLA
29
Q

ANUG - actue necrotising ulcerative gingivitis treatment

A
  • ultrasonic debridement
  • chlorohexidine mouthwash, oral hygiene instruction
  • metronidazole 400mg 3x a day for 3 days
  • or amoxycillin 500mg 3x a day for 5 days
30
Q

ANUP - Actue necrotising ulcerative periodontitis treatment

A
  • metronidazole 400mg 3x a day for 3 days
  • chlorohexidine 0.2% 10ml - 2 x a day
31
Q

PROS- Primary impression lab card

A
  • please cast impressions in 50:50 plaster:stone and make upper tray with standard handle and lower special tray with intra-oral handle in light cured PMMA
32
Q

PROS - master impressions lab card

A
  • please cast impressions
  • make upper and lower record blocks, with shellac base
33
Q

tooth trial lab card

A
  • please mount casts in registration and set teeth for wax trial
  • specify tooth shade
    =- return wax trial dentures on mounted casts. specific instructions e.g. diastemas
34
Q

final denture card - PROS

A

re-trial; remount casts and make specified changes for second trial
finished: please wax up for finish and process in heat cured acrylic resin

35
Q

What is the vibrating line?

A

junction between hard and soft palate

36
Q

Mandibular soft tissue landmarks - pros

A
  • retromolar pads
  • mylohyoid line
  • sublingual crescent
  • lingual frenum
  • buccal shelf
  • mentalis muscle
  • labial frenum
37
Q

pros - maxillary anatomical landmarks

A
  • hamular notches
  • tuberosities
  • palatine fovea
  • labial and buccal frenums
38
Q

maxillary anatomy considerations in pros

A
  • 1 degree support hard palate
  • 2 degrees support alveolar ridge, rug area, buccal shelves
  • post dam along vibrating line, in front of the palatine fovea
  • incisive papilla and palatine torus must be relieved
  • labial and buccal farina much not be encroached upon
39
Q

Mandibular anatomy considerations in pros

A
  • 1 degree support buccal shelf
  • 2 degree support buccal and lingual slopes of alveolar ridge
  • lingual pouch used for retention
  • floor of mouth is mylohyoid muscle
  • lingual, buccal and labial fraena must be accounted for
40
Q

fissure sealants: gold standard for moisture control

A

dental dam

41
Q

needle size for infiltration

A

short 25mm

42
Q

needle size for inferior alveolar nerve block

A

long 35mm

43
Q

Inferior alveolar nerve block injection site

A
  • 6-10mm above lower occlusal plane
  • needle entry at junction of buccal fat pad and pterygomandibular raphe
  • syringe lies over contralateral 5
  • advanced to bone contact
  • if no bony contact reposition syringe distally
44
Q

What LA would you give to pt with high blood pressure or heart problems?

A
  • 3% prilocaine with felypressin
  • contains synthetic vasoconstrictor so effects of la will last
45
Q

LA for pt with latex allergies

A
  • Prilocaine/Citanest 3% with felypressin
46
Q

Active component for retracting a canine

A

Palatal finger springs and guards; 0.5mm HSSW

47
Q

URA Baseplate adjustment for a pt with overbite

A

Flat anterior bite plane; Overjet + 3mm

48
Q

URA active component for correcting a crossbite

A

Z spring; 0.5mm HSSW

49
Q

Stainless steel constituents

A
  • 72% iron
  • 18% chromium
  • 8% nickel
  • 1.7% titanium
  • 0.3% carbon

BDS3 OSCE (1 decks)

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