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BDS3 Exam Questions > 2018 paper > Flashcards

2018 paper Flashcards

1
Q

2 aims for raising a flap

A

Better access and vision
Retraction of soft tissues
Closure of OAF

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2
Q

4 things that influence flap design

A 
personal preferences
Access needed
Surrounding nerves
Area in mouth
Ability to suture
Procedure
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3
Q

Type of handpiece for bone removal

A

Straight handpiece with saline cooled bur

Round or fissure tungsten carbide bur

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4
Q

3 methods of debridement

A

Physical - bone file or handpiece to remove sharp edges
Irrigation - sterile saline into socket
Suction - aspirate under flap

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5
Q

What is the name for dry socket

A

Localised osteitis - inflammtion of lamina dura

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6
Q

3 predisposing factos of dry socket

A 
Female
Contraceptive pill
Mandible
Family hisotry
Excessive rinsing post XLA
Excessive trauma during XLA
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7
Q

3 signs and symptoms of a dry socket

A

Bad taste
Pain keeping them awake at night
Dull pain
Radiating pain to ear

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8
Q

What are the management of a dry socket

A 
Supporting and ressauring the patient
LA block
Irrigaite socket with saline (CHX)
Curretage/debridement
Antiseptic pack (Alvogyl)
Advise analgesia and hot salty mw's
Review patient
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9
Q

What is the drug family of apxiban

A

Noval oral anticogulant

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10
Q

What does apixiban inhibit

A

They are factor Xa inhibitors which work by blocking action of activated factor X which is needed for forming a clot

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11
Q

What else is apixban used for

A

Prevention of DVT
Prevent pulmonary embolism
Can prevent stroke

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12
Q

What is the blood test for apixiban

A

Activated partial thromboplastin

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13
Q

What are the dosage and requirments for anticogulants and XLA

A

Apixiban and dabigatra - patient should miss morning dose and take evening dose as normal as long as it has been 4hrs since heamostasis has been achieved
Rivaroxaban - the delayed morning dose should be taken 4hrs after heamastasis has been achieved

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14
Q

3 treatments for haemostatic control

A 
Pressure with damp gauze
LA with vasoconstrictor 
Diathery
Surgical pack
Suture
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15
Q

3 features of down syndrome

A 
Short neck and flat back of head
Growth failure
Diminshed muscle tone
Small and arched palate
Broad flat face
Abnormal ears
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16
Q

Genetic test of down syndrome

A

Genetic origin affecting chromosome 21 (extra copy)

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17
Q

2 reasons why down syndrome patients have increased perio risk

A

Poor OH
Reduced saliva
Immunocompromised

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18
Q

2 reasons for no capacity with down syndrome

A 
Memory skills (dementia)
Learning difficulites
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19
Q

Differnce between welfare guardian and welfare power of attorney

A

Power of attorney- granted by the adult when they still have capacity and certified by a lawyer.
- welfare power - power only comes into effect when the person is incapaable of decision making
- health and personal
- continuing power - only covers finicial affairs and properties
Guardianship orders - court appointed and requires 2 medical reports
- appointed for 3 years
- powers to deal with property, fianance and martial affairs
- person has no capacity

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20
Q

Antibiotic required for antibiotic prophylaxis

A

Amoxcillin 3g oral powder sachet or clindamycin 300-600mg

60 mins before starting treatment

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21
Q

3 features of parkinson’s

A 
Resting tremor
Bradykinesia - slow movement
Impaired gait
mask like face
Dysphagia
Rigidity - increased muscle tone
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22
Q

How does parkinson differ from other cerebral diseases?

A

It is the only one with a resting tremor, the rest have intentional active tremors

23
Q

What is the reason for dry mouth with parkinsons

A

Due to the antichiolnegic effects of drugs

24
Q

How to prevent the loss of denture in a care home

A

Store denture in labelled container

Mark intials on denture during processing or if already constructed then mark using sandpaper

25
Q

Why is it diffucult for XLA a parkinson’s patient

A

Tremor can make XLA difficult

Poor mouth opening due to rigidity

26
Q

2 ways to measure antero-posterior skeletal relationship

A

Direct palpation of skeletal bases - use fore finger and middle finger
Visual relationship of soft tissue A&B point

27
Q

2 ways to measure vertical skeletal relationship

A

Frankfort mandibular plane angle

Lower anterior face height compared to total anterior face height

28
Q

What position should paitents head be in for measuring skeletal relationship

A

Frankfort plane parallel to floor

29
Q

What is the problem relating to growth and development

A

Class III - maxilla hypoplasia (too small)/mandibular prognathism
- maxilla - anteroposterior maxiallry deficiency

Class II- mandibular retrognathism (mandible too small) and overlapped upper jaw

30
Q

How is porcelain surface prepped in lab for bonding hydroflouric acid

A

Use hydroflouric acid on porcelain to prodice retentive surface

31
Q

What do you use to bond porcelain to composite luting resin

A

Silane coupling agent

32
Q

How does a silane coupling agent act chemically

A

Strong bond between oxide groups on porcelain surface and C=C reacts with composite luting agent

33
Q

When would you use a dual cured composite

A

Thick porcelain
Metal resotrations
Bonding to indirect composite

34
Q

Why would you still light cure a dual cured?

A

As the properties are reduced by 25% if not light cured

35
Q

What chemical agent do you use to bond to metal?

A

MDP & 4-META

36
Q

4 things to ask about smoking

A 
No. of years smoked 
How many do they smoke
Age when they started smoking
Quitting history
Anyone close smoke at home
How quickly do they light up
37
Q

3 things to tell them about e-cigs

A 
Less toxic but can still be harmful
Aid to quitting
Alternative to e-cgis
Can causes mouth and throat dryness
Lichenoid eruptions
38
Q

2 advice services to send someone who wants to quit smoking

A

Local pharmacy

Community smoking support group

39
Q

What to do if patient does not want to quit now

A

Record in patient notes that quitting advice was given

Provide leaflet on quitting and emphasise the benefits of quitting

40
Q

3mm spacing material and why for complete dentures

A

Alginate - it is a mucostatic material and will take an accurate record of the tissues without displacement

41
Q

Why do you not use silicone for denture impressions

A

It is a mucocompressive material and is likely to tear

Not as effective if undercuts are present

42
Q

2 support areas for maxilla

A

Hard palate

Residual ridge

43
Q

Primary support for mandible

A

Retromolar pad
Buccal shelf
Residual ridge

44
Q

Part of mandible that interferes during maxillary working impression

A

Coronoid process

45
Q

PICO stand for

A

Population
Intervention
Comparison
Outcome

46
Q

How do you reduce bias in a study?

A

Double blinding

Radomisation

47
Q

What are Herb Schilder’s endo principles

A

Create a continously tapering funnel shape
Maintain apical forament in place
Apical opening as small as possible

48
Q

Why is irrigation useful part of disinfection in endo

A

Disinfect root canal
Dissolve organic debris
Flush out debris
Lubricate root canal instruments

49
Q

What is the best irrigant for endo?

A

Sodium hypochlorite

50
Q

What is the ideal strength of irrigant for endo?

A

3% (available 0.5-6%)

51
Q

4 reasons for a child to be anxious

A 
Past negative dental experience
Expectation of pain
Poor knowledge
Attitude of parents towards dental experience 
Media representation of dentistry
52
Q

2 ways to treat an anxious child

A

Work quickly and in a calm manner
Giving reassuring support
Distraction techniques for child

53
Q

What are the types of behaviour management methods?

A 
Postive reinforcement
Tell show do
Aclimitasation
Desensitiisation
Distraction
Role modelling
Voice control

BDS3 Exam Questions (13 decks)

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