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Past Papers - Finals > 2016 Mock > Flashcards

2016 Mock Flashcards

1
Q

Pain in an upper front tooth with an abscess present, diagnosis?

A

Periapical abscess
Periodontal abscess

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2
Q

2 special investigations for an abscess?

A

Radiograph -PA
Sensibility testing - ethly chloride

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3
Q

2 ways to drain a swelling?

A

Incise and drain
Drain through the periodontal pocket

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4
Q

Initial mangagement of swelling if not endo involved?

A

Give the pt LA
Drain the abscess through the perio pocket
Carry out RSD short of base of pocket to prevent itrogenic damge
Advise CHX mw 0.2% x2 daily
Antibiotics - pen V as lymphadenopathy also present
Review to finish RSI and HPT

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5
Q

4 potential causes of a bridge to debond

A

Secondary caries present
Mositure contamination on cementation of bridge
Unfavourable occlusion
Inadeuaauqte cementation
Poor bonding on adhesive wings
Poor enamel qualities of abutment teeth

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6
Q

what are 4 methods of checking a brdige debonding clinically

A

Try and pass Floss under adhesvie wings
Pressure on the pontic and see if the adhesvie wings move
Radiographs
Place probe under pontic and see if it moves
Exploring margins with a probe looking for defects

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7
Q

What are alternative options other than placing a bridge

A

RPD - CoCr or acrylic
Implant
Adhesive cantilever

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8
Q

Factors for placement of an implant

A

Local - bone levels, OH, Perio status, smoking, rotation of teeh
General - bisphosphonates, diabetes, head and neck cancer treatment (radiotherapy)

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9
Q

Features that a 3rd molar is close to IDC

A

Narrowing of IDC
Narrowing of Roots
Difelction of roots
Diflection of IDC
Juxta - apical area
Interuption of white lines
Dark/ bifid roots

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10
Q

What image can be done to check closeness of 3rd molar to IDC?

A

CBCT

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11
Q

Complication of XLA close to IDC

A

IAN dysaesthesia
IAN paraestthesia

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12
Q

Procedure done to reduce risk of IAN damage

A

Cornectomy

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13
Q

2 scenarios when pt at increased bleeding

A

Taking anticogulants - e. warfarin
Alcoholic liver disease

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14
Q

Management of bleeding

A

Suture
Pressure with damp gauze
Diathermy
WHVP
La with vasoconstirctor
Suture

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15
Q

Signs and symptoms of TMD

A

linear alba
Tongue scalloping
Unable to open jaw normally
Headaches
Crepitus sound on opening
Parafunctiion
MOM hyperrtrophy
MOM tenderness

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16
Q

What muscles do you palapte for TMD?

A

masster
temporalis

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17
Q

Conservative advice for TMD?

A

aovid hard and sticky food and softer diet
anaglesics
cut food into smaller pieces
avoid chewing gum
avoid biting nails
support jaw when opening
avoid stresses
physio
Cold and warm compresses

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18
Q

Define Retention

A

the resistance to vertical dislodging forces

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19
Q

Indirect retention

A

Resistance to rotational movement of the denture
It is placed at 90 degrees to the clasp axis and on oppposite side to the dislodging forces

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20
Q

Desquamtive Gingivitis

A

clincially descriptive term used to describe severly erythematous ulcerated gingivas which can be caused by various things - allergy, inflammation
Can go ebyond the mucogingival junction

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21
Q

3 conditions associated with desquamative ging

A

Lichen planus
Pemphigus
Pemphigoid

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22
Q

Managment of desquamative ging

A

OHI
SLS free toothpaste
Topical steriods - betamethasone mouth rinse
Systemic steiods - prednisolone
Topical Tacrolimus (immune modulator)

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23
Q

Causes of pigmentation of a discoloured swelling

A

Local - amalgam tatoo, pigmentatry incontince, malginant melonoma, Kaposi’s Sarcoma, melanocytic naeuvus

General - smoking, addisons, drugs, racial pigmentaiton

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24
Q

What are the 2 tyes of haemangioma

A

Cavernous
Capillary

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25
Q

Cavernous Haemangioma

A

large dialted space
encapsulated

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26
Q

Capillary Haemangioma

A

not encapsulated
thin walled cappilaries

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27
Q

4 personel involved in decon

A

Operator - authority to operate equipment, note readings and simple housekeeping duties
Engineer - annually and quaterly testing of machines
User - person in charge of day to day management - daily testing and maintence records
Manager - person in authority for the operation of LDU and ensuring instruments fit for use

28
Q

What water is used for final rinse in decon and why not mainis?

A

RO (reverse osmosis)
Due to mains having minerals that can be deposited on the surface of insturments

29
Q

Describe the apperance of dental fluorsie

A

A white chalky appearance or can appear like brown stains on teeth, they have scattered marks and tends to be symmetrical

30
Q

% fluoride optimum in drinking water

A

1ppm

31
Q

£ methods for fluoride in 8 year old

A

225ppm mouthwash
22,600ppm fluoride varnish
14500ppm flurodie toothpaste

32
Q

Local action of fluoride in oral cavity

A

Fluroapatite forms during the reminerlisation process
Fluoride ions replace hydroxly grous in the formation of apatite crystal lattice
Combines with calcium and phosphate to form fluroapaitie which is more resistant to deminalisation
It also inhibits bacterial metabolism and acid production

33
Q

Best treatment for fluorisis

A

Microabrasion - permanent results, cheap, effective, conservative and easily prefomred

34
Q

10 year old appears wth bad taste and gernalised white plq that scraps off and leave erythamtous base

A

pseduomebranous candidosis

35
Q

Predisposing factors for pseduomebranous candidodis

A

Local -use of coriticosteriod inhaler, URA
Medical - diabetes, immunocompromised

36
Q

Oral wab vs oral rinse

A

Oral swab - site specific, not quantitive,
Oral rinse - not site specific and quantitive

37
Q

1st line drug for pseduomebranous candidosis

A

Fluconazole

38
Q

Interactions of fluconazole

A

Warfarin - increases bleeding risk
Statins - skeletal muscle breakdown (rhabdomylosis)

39
Q

Describe the method of how composite bonds to teeth

A

the surface is etched to remove the smear layer and reopen the deintial tubules
Primer (HEMA) is then applied to change the surface from hydrophillic to hydrophoibic
Residue adhsive agent is applied and when polymerising it flows int othe dentina ltubles to form resin tages and polymer chains will also beocme entablge with collagen fibres to give micromechanical retention (hybrid layer)
Composite can then bond to the hydrophobic adhesvie surface

40
Q

How is porcelain treated to improve retention

A

Sandblasting of the fitting surface and hydroflouric acid to eatch the surface and then a silane coupling agent

41
Q

2 luting agents other than resin to cement crown

A

GI/RMGIC
Zinc polycarboylate

42
Q

Advantage of placing crown on posterior tooth

A

Aloows cuspal coverage to rpovide support and retention for remaining tooth

43
Q

5 causes of pain on biting and trainsent stimuli to 46 comp

A

Cracked tooth
The resotration is toot high and therefore high occlusion
Pulpal damage due to excessive heat during cavity prep with high speed
Uncured HEMA which expands due to moisture
Resual resin monomer cuasing pulpal inflammation

44
Q

5 resotrative features to prevent this from happening

A

Check occlusion with articulating paer and adjust
Ensure water is used in cavity prep with high speed
low polymerisation factor to prevent polymerisation shrinkage stress
ensure good curing regime is used
incremental placement to prevent soggy bottom

45
Q

child ingested flurodie, questions to ask

A

Stength of toothpaste
Weight of child in kg
Quantiity consumed

46
Q

Ingsted toxic dose advice

A

Consume large quanity of calcium
A&E immmediately

47
Q

most common cause of flurosis

A

water

48
Q

Flurodie suuplemetn values for<0.3ppm water

A

0-6months = 0
6months-3years= 0.25
3years-6years=0.5
6years + = 1

49
Q

Diagnostic features of sublucxation

A

Increased mobility
TTP
No displacement into socket

50
Q

splint for subluxation

A

flexible splint for 2weeks

51
Q

Review for subluxation

A

2weeks, 4 weeks, 6-8weeks, 1 year

52
Q

2 features to assess radiographically with subluxation

A

Forming of PA radioluceny (widening of PDL)
intiiation of inflammatory resorption

53
Q

internal root resoprtion presents clincally, radiographically what would it look like and med placed

A

pink disclouration of tooth
Balloned irregular shaped canal
NsCAOH

54
Q

3 causes of xla of lone standing molar

A

OAF/OAC
Maxiallary tuberoisty fracture
Root dislpaced into antrum

55
Q

Diagnose OAF/OAC

A

Bubbling of blood in socket
Visual, good light and suction (echoing)

56
Q

Diangosis of maxially tuberoisty

A

tear in palate
mobility of rdige and tuberoisty palpable

57
Q

Diagnosis of root in antrum

A

CBCT
radiograph show root in antrum

58
Q

Managment for OAF/OAC

A

small - encourage clot to form, surgicel, and suture margins
prescribe antibiotics and post op
no nose blowing, playing bwind instuments, smoking, drinking through straw
Large - close with buccal advancment flap, surgicel to encourage clotting and suture flap

59
Q

3 uses of URA other than tipping and tilting

A

habit breaker
space maintainer
retainer
reduce ob

60
Q

6 signs of good wear of appliance

A

no excessive salivation
pt comes in wearing appliance
pt an insert and remove appliance
appliance not impingie on speech
active component is in passive form
evidence of wear on appliance
eveidence of indentation on palate

61
Q

intra oral signs of anug

A

ging bleeding
Ulceraton of tips of ii/d papillae
pseudomebranous formation
puffy red ging

62
Q

risk factors for anug

A

stresss
Poor oh
malnourished
smoker
sleep dprevied

63
Q

Tx for ANUG

A

Review OHI and diet advice
Remove supra and sub gnig plq and calc
Smoking adivce
if spreadining infection then systemic antibiotics
follow up in 10days
6% hydrogen peroxide or 0.2%CHX

64
Q

3 causes why post might debond

A

secondary caries
root fracure
poor mositure control on cementation

65
Q

fracture at junction of post and core why

A

trauma
lack of ferrule
biocorrosion

66
Q

Wetting agent to bond metal to resin

A

MDP-4META

67
Q

3 ways of retireving post

A

Ultrasonic
Eggler forceps
Mosquito forceps

Past Papers - Finals (1 decks)

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