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
Why is it diffucult for XLA a parkinson's patient
Tremor can make XLA difficult | Poor mouth opening due to rigidity
26
2 ways to measure antero-posterior skeletal relationship
Direct palpation of skeletal bases - use fore finger and middle finger Visual relationship of soft tissue A&B point
27
2 ways to measure vertical skeletal relationship
Frankfort mandibular plane angle | Lower anterior face height compared to total anterior face height
28
What position should paitents head be in for measuring skeletal relationship
Frankfort plane parallel to floor
29
What is the problem relating to growth and development
Class III - maxilla hypoplasia (too small)/mandibular prognathism - maxilla - anteroposterior maxiallry deficiency Class II- mandibular retrognathism (mandible too small) and overlapped upper jaw
30
How is porcelain surface prepped in lab for bonding hydroflouric acid
Use hydroflouric acid on porcelain to prodice retentive surface
31
What do you use to bond porcelain to composite luting resin
Silane coupling agent
32
How does a silane coupling agent act chemically
Strong bond between oxide groups on porcelain surface and C=C reacts with composite luting agent
33
When would you use a dual cured composite
Thick porcelain Metal resotrations Bonding to indirect composite
34
Why would you still light cure a dual cured?
As the properties are reduced by 25% if not light cured
35
What chemical agent do you use to bond to metal?
MDP & 4-META
36
4 things to ask about smoking
``` 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
3 things to tell them about e-cigs
``` Less toxic but can still be harmful Aid to quitting Alternative to e-cgis Can causes mouth and throat dryness Lichenoid eruptions ```
38
2 advice services to send someone who wants to quit smoking
Local pharmacy | Community smoking support group
39
What to do if patient does not want to quit now
Record in patient notes that quitting advice was given | Provide leaflet on quitting and emphasise the benefits of quitting
40
3mm spacing material and why for complete dentures
Alginate - it is a mucostatic material and will take an accurate record of the tissues without displacement
41
Why do you not use silicone for denture impressions
It is a mucocompressive material and is likely to tear | Not as effective if undercuts are present
42
2 support areas for maxilla
Hard palate | Residual ridge
43
Primary support for mandible
Retromolar pad Buccal shelf Residual ridge
44
Part of mandible that interferes during maxillary working impression
Coronoid process
45
PICO stand for
Population Intervention Comparison Outcome
46
How do you reduce bias in a study?
Double blinding | Radomisation
47
What are Herb Schilder's endo principles
Create a continously tapering funnel shape Maintain apical forament in place Apical opening as small as possible
48
Why is irrigation useful part of disinfection in endo
Disinfect root canal Dissolve organic debris Flush out debris Lubricate root canal instruments
49
What is the best irrigant for endo?
Sodium hypochlorite
50
What is the ideal strength of irrigant for endo?
3% (available 0.5-6%)
51
4 reasons for a child to be anxious
``` Past negative dental experience Expectation of pain Poor knowledge Attitude of parents towards dental experience Media representation of dentistry ```
52
2 ways to treat an anxious child
Work quickly and in a calm manner Giving reassuring support Distraction techniques for child
53
What are the types of behaviour management methods?
``` Postive reinforcement Tell show do Aclimitasation Desensitiisation Distraction Role modelling Voice control ```