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BDS3 Lawrence > OSCE 2013 > Flashcards

OSCE 2013 Flashcards

1
Q

For a handpiece what are the 5 things you must check before use?

A

Check the back of HP is tight
Check bur cannot be pulled out
Roll the bur on your finger checking that it can spin freely
Bur doesn’t wobble
Finally when running everything sounds okay

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2
Q

What does DR ABC stand for?

A 
Danger 
Response 
Airway
Breathing 
Circulation
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3
Q

When calling an ambulance what must you tell them over the phone?

A

Where you are
The condition of the patient
Give a phone number
That you need an AED and BVM

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4
Q

When giving CPR how many compression should be given per minute?

A

100-120

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5
Q

What is the ratio of compressions to ventilations>

A

30 compressions to 2 ventilations

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6
Q

How do you open a patients airway?

A

Head tilt chin lift

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7
Q

What are probes used for?

A

Caries detection

Surface inspection

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8
Q

What is a CPITN probe used for and what does it look like?

A

Used for BPE and has a black band from 3.5-5.5mm with a round ball at the end.

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9
Q

What does a PCP12 probe look like and what is it used for?

A

6PPC

Has two black bands, one from 3-6mm and another from 9-12mm

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10
Q

What are excavators used for?

A

Caries excavation

material removal

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11
Q

What are chisels used for?

A

Finishing cavo-surface margin angles and removal of unsupported enamel prisms.

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12
Q

What are burnishers used for?

A

Finishing amalgam and manipulating composite

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13
Q

What are Applicators used for?

A

Placement of lining material

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14
Q

Question 4 and 5 is about anatomy and cavity nomenclature.

A

See word doc

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15
Q

How many surfaces form to make line angles and point angles?

A

Line - 2

point - 3

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16
Q

Describe the shape of the mini-sickle, where you would use it in the mouth and the cross-section?

A

Two cutting surfaces on each blade for embrasure surfaces supra-gingivally
Triangular cross-section

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17
Q

Describe the shape of the Columbia universal curette, where you would use it in the mouth and the cross-section?

A

Two cutting surfaces on each blade
Subgingival and root planing anywhere in the mouth (limited access to deep pockets)
Rounded X section

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18
Q

How many cutting edges does the Gracey curettes have?

A

One

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19
Q

Where in the mouth would you use the grey Gracey?

A

anterior

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20
Q

Where in the mouth would you use the green Gracey?

A

posterior

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21
Q

Where in the mouth would you use the blue Gracey?

A

Distal

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22
Q

Where in the mouth would you use the orange, Gracey?

A

Mesial

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23
Q

Where in the mouth would you use the yellow hoe scaler?

A

Buccal and lingual

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24
Q

Where in the mouth would you use the red hoe scaler?

A

Mesial and distal

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25
Q

Principles for using Gracey Curettes?

A

Determine the larger outer cutting surface
The terminal shank should be parallel to the surface
Use fulcrum finger and finger rest
Vertical and diagonal cutting strokes

26
Q

Where do you sit to scale 43-33?

A

7 o’clock

27
Q

What teeth do you scale at 9 o’clock?

A

44-48 buccal
34-38 lingual
14-18 buccal

28
Q

What teeth do you scale at 11 o’clock?

A 
44-48 lingual 
34-38 buccal 
13-23 labial and palatal 
14-18 palatal 
24-28 buccal and palatal
29
Q

When should all deciduous teeth have erupted by?

A

2 and 1/2 years

30
Q

When does a babies first tooth come in?

A

4-6 months (lower central)

31
Q

All permanent teeth should be in by what age?

A

12-13 years

32
Q

What permanent tooth comes in first and at what age?

A

lower 6’s and at 6yrs

33
Q

What is the order of deciduous teeth?

A

A,B,D,C,E

34
Q

What is the order of eruption for permanent uppers?

A

6, 1, 2, 4, 5, 3, 7, 8

35
Q

What is the order of eruption for the permanent lowers?

A

6, 1, 2, 3, 4, 5, 7, 8

36
Q

From the eruption date, how long does it take for apexogenesis?

A

3years

37
Q

What are some key differences between primary and permanent teeth?

A

Primary anteriors are smaller in both crown and root proportions.
Primary molars are wider M-D
Primary molar crowns are more bulbous
Primary teeth are usually whiter in colour

38
Q

What feature is found on the mesial buccal cusp of the primary D?

A

Tubercle of Zuckerkandl

39
Q

Where is the cusp of carabelli found in primary teeth and which tooth?

A

The upper E’s on the mesio-lingual cusp

40
Q

How many roots do the primary upper molars have?

A

3

2 buccal and 1 lingual

41
Q

How many cusps do the lower E’s have?

A

5 like permanent 1st

42
Q

Where is the maxillary tuberosity found?

A

Buldge behind maxillary 2nd molars

43
Q

What is the name for the anatomical feature found behind the tuberosity at the junction of the maxilla and hamular process of the sphenoid bone?

A

Hamular notch

44
Q

What is the name given to the line where the hard and soft palate meet?

A

Vibrating line

45
Q

What is the name given to the two small depressions behind the vibrating line and what purpose do they serve?

A

Palatine fovea

Role in gag reflex

46
Q

Describe what the palatine raphe is?

A

A line that runs down the centre of the hard palate

47
Q

What is the name given to the wrinkles at the side of the hard palate?

A

Palatine rugae

48
Q

What is a pear-shaped pad?

A

Refers to an area formed by residual scaring of 3rd molar Ex and retromolar papilla.

49
Q

Why is the pear-shaped pad important when making dentures.

A

The denture should extend over the distal edge of the pear-shaped pad

50
Q

Where is the retromolar pad found?

A

Elevation distal to the mandibular 2nd molars

51
Q

where is the buccal shelf found?

A

On buccal surface of the mandible just above the external oblique line

52
Q

What are mandibular tori and where can they be found?

A

Boney growths are found along the surface nearest the tongue. Around the pre-molars area and attachment of the mylohyoid muscle attachment to mandible

53
Q

Where is the mylohyoid ridge found?

A

On the inner surface of the mandible.

Giving attachment for the mylohyoid muscle and superior constrictor of the pharynx

54
Q

Why is the pterygomandibular raphe an important feature?

A

Used for injection site of IANB.

Extends from lower last standing molar to the upper.

55
Q

What are the names given to the top of the tongue and the bottom of the tongue?

A

Top - dorsum

bottom - ventral

56
Q

How long do you splint an avulsed tooth?

A

2 weeks

57
Q

What must the wire be that is placed on the avulsed tooth?

A

Passive

58
Q

Describe the process of splinting an avulsed tooth?

A

Make sure the tooth is held by crown and reimplant.
Get 0.6mm HSSW, use floss to measure and cut wire to fit halfway on either abutment tooth.
Acid etch and prime and bond all 3 teeth.
Apply composite to all 3
Sink the contoured, passive wire into the composite
Shape and cure composite, add thin covering if needed on top
Smooth rough composite and wire ends

59
Q

Why do you not need to always extirpate the pulp of an avulsed tooth?

A

As if the tooth has an open apex can revascularize

60
Q

If the EAT is less than 60mins but has a close apex what would your Tx be?

A

Replant tooth under LA
Splint the tooth for 2 weeks
Remove the pulp asap (that day)
Place in anti-biotic steroid paste as an intra-canal medicament.
Remove at 2 weeks with the splint and replace with NSCaOH.
Obturate with GP at 4-6w
Refer to a specialist for interdisciplinary management

BDS3 Lawrence (39 decks)

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