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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
Cavernous Haemangioma
large dialted space encapsulated
26
Capillary Haemangioma
not encapsulated thin walled cappilaries
27
4 personel involved in decon
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
What water is used for final rinse in decon and why not mainis?
RO (reverse osmosis) Due to mains having minerals that can be deposited on the surface of insturments
29
Describe the apperance of dental fluorsie
A white chalky appearance or can appear like brown stains on teeth, they have scattered marks and tends to be symmetrical
30
% fluoride optimum in drinking water
1ppm
31
£ methods for fluoride in 8 year old
225ppm mouthwash 22,600ppm fluoride varnish 14500ppm flurodie toothpaste
32
Local action of fluoride in oral cavity
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
Best treatment for fluorisis
Microabrasion - permanent results, cheap, effective, conservative and easily prefomred
34
10 year old appears wth bad taste and gernalised white plq that scraps off and leave erythamtous base
pseduomebranous candidosis
35
Predisposing factors for pseduomebranous candidodis
Local -use of coriticosteriod inhaler, URA Medical - diabetes, immunocompromised
36
Oral wab vs oral rinse
Oral swab - site specific, not quantitive, Oral rinse - not site specific and quantitive
37
1st line drug for pseduomebranous candidosis
Fluconazole
38
Interactions of fluconazole
Warfarin - increases bleeding risk Statins - skeletal muscle breakdown (rhabdomylosis)
39
Describe the method of how composite bonds to teeth
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
How is porcelain treated to improve retention
Sandblasting of the fitting surface and hydroflouric acid to eatch the surface and then a silane coupling agent
41
2 luting agents other than resin to cement crown
GI/RMGIC Zinc polycarboylate
42
Advantage of placing crown on posterior tooth
Aloows cuspal coverage to rpovide support and retention for remaining tooth
43
5 causes of pain on biting and trainsent stimuli to 46 comp
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
5 resotrative features to prevent this from happening
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
child ingested flurodie, questions to ask
Stength of toothpaste Weight of child in kg Quantiity consumed
46
Ingsted toxic dose advice
Consume large quanity of calcium A&E immmediately
47
most common cause of flurosis
water
48
Flurodie suuplemetn values for<0.3ppm water
0-6months = 0 6months-3years= 0.25 3years-6years=0.5 6years + = 1
49
Diagnostic features of sublucxation
Increased mobility TTP No displacement into socket
50
splint for subluxation
flexible splint for 2weeks
51
Review for subluxation
2weeks, 4 weeks, 6-8weeks, 1 year
52
2 features to assess radiographically with subluxation
Forming of PA radioluceny (widening of PDL) intiiation of inflammatory resorption
53
internal root resoprtion presents clincally, radiographically what would it look like and med placed
pink disclouration of tooth Balloned irregular shaped canal NsCAOH
54
3 causes of xla of lone standing molar
OAF/OAC Maxiallary tuberoisty fracture Root dislpaced into antrum
55
Diagnose OAF/OAC
Bubbling of blood in socket Visual, good light and suction (echoing)
56
Diangosis of maxially tuberoisty
tear in palate mobility of rdige and tuberoisty palpable
57
Diagnosis of root in antrum
CBCT radiograph show root in antrum
58
Managment for OAF/OAC
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
3 uses of URA other than tipping and tilting
habit breaker space maintainer retainer reduce ob
60
6 signs of good wear of appliance
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
intra oral signs of anug
ging bleeding Ulceraton of tips of ii/d papillae pseudomebranous formation puffy red ging
62
risk factors for anug
stresss Poor oh malnourished smoker sleep dprevied
63
Tx for ANUG
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
3 causes why post might debond
secondary caries root fracure poor mositure control on cementation
65
fracture at junction of post and core why
trauma lack of ferrule biocorrosion
66
Wetting agent to bond metal to resin
MDP-4META
67
3 ways of retireving post
Ultrasonic Eggler forceps Mosquito forceps

Past Papers - Finals (1 decks)

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