問題一覧
1
what must impressions record? (select 2)
teeth , soft tissue contours
2
Maximum adhesion of impressions occurs with adhesive and perforated trays.
true
3
The qualites of a good impression are: Choose all that apply
biocompatible , low thermal shrinkage , dimensionally stable
4
Non elastic impressions are
zinc oxide Eugenol, impression compound
5
Hydrocolloid impressions are?
alginate
6
Impression trays can be?
metal, plastic , stock trays
7
Where does the clinician stand when taking lower impressions?
in front of the patient
8
Where does the clinician stand when taking upper impressions?
behind the patient
9
How many coats of adhesive should be applied to the tray?
2
10
Which of the following are used in mouthwashes?
all those listed
11
Which of the following is not a component of mouthwashes
binding agent
12
Chlorhexidine is only effective against gram+ bacteria
false
13
Which of the following mouthwashes contain a mild local anaesthetic
eludril
14
Listerine is an example of a phenol based mouthwash
true
15
Bactericidal is defined as slowing the rate of bacteria growth
false
16
The concentration of chlorhexidine gluconate in original Corsodyl mouthwash is
0.2%
17
All patients should be advised to use a mouthwash
false
18
Which the following is not a side effect of overuse of chlorhexidine?
whitening
19
You have been asked to deliver a ‘lunch and learn’ for your colleagues on practice to ensure calibration of probing techniques. All is going well and the group are engaged. An area you have decided to focus on is ensuring the team develop their tactile sensation skills. A. What factors do you consider vital to ensuring the team increase their tactile sensations skills? Justify your responses (8)
Light grip – feel vibrations through hands Walking stroke – ensure tooth coverage Access – positioning to access areas Correct instrument
20
You have been asked to deliver a ‘lunch and learn’ for your colleagues on practice to ensure calibration of probing techniques. All is going well and the group are engaged. An area you have decided to focus on is ensuring the team develop their tactile sensation skills. Your colleagues has advised they prefer to use a straight explorer probe to check the whole mouth for deposits. You strongly advise against this, explain why.
Traumatic – to soft tissue Pain to patient – experience for patient Tactile sensation smaller surface area Straight probe does not get around corners and molars Not multitasking – not calibrated
21
You have struggled for some time with members of the team not taking a Basic Periodontal Examination (BPE) during their appointments. Explain the rationale for taking a BPE. (3)
Simple & rapid screening tool that indicates the level of further examination needed • Provide basic guidance on treatment needed • Not prescriptive but represent a minimum standard of care for initial periodontal assessment
22
You decide in your session to also focus on the Basic periodontal examination. a) What is the height of the ball? b)What are the measurements of the first black band?
a) 0.5mm b) 3.5mm - 5.5mm
23
probe can be used to monitor patients periodontal disease
false
24
A colleague states that a BPE cannot be used for a diagnosis. Do you agree with them?
yes
25
In the discussions within the breakout groups, you overhear that a someone is advising that the ‘*’ indicates recession and furcation involvement. You decide to bring the group back together to address the issue. Select the most appropriate action:
Recap on the discussion points and highlight to the group ‘*’ indicates furcations only
26
Simon attends for an appointment with you. Your BPE findings indicate: A. Explain the BPE code seen in the image (3) B. Three sextants present with code 2’s. What are your key findings with this code? (3) C. What are the treatment needs indicated for code 2? (2) D. Two years later Simon returns and presents with the following BPE code: 434 443 What would be your next course of action? (4)
a) • BPE code 1 (no pockets >3.5mm) • Black band visible • Bleeding b)BPE code 1 (no pockets >3.5mm) Black band visible Calculus and overhang c)OHI, removal of secondary local factor d)• Radiographs • Ideally - Oral hygiene – why? • Full periodontal charting • Instrumentation • Referral
27
We must ensure safe and optimum clinical practice for patients, the team and ourselves. What factors would you take into consideration to when coming to deliver periodontal care for your patients? Justify your responses. (12)
1. Patient compliance 2. Accessibility 3. Visibility, Illumination & retraction 4. Condition of instruments 5. Clean field 6. Operator Action – Stabilisation, activation & stroke
28
A chemotherapeutic adjunct is used as the main source of treatment in periodontal disease
false
29
In which of the following would you NOT use adjuncts?
Reduce/inhibit gram positive bacteria
30
Adjuncts cannot:
all of the options
31
Prescribed antibiotics taken orally over a sustained period of time (days) are described as locally delivered adjuncts
false
32
Examples of locally delivered adjuncts include:
Mouthwashes, Gels, Controlled delivery anti-microbial agents
33
Adjunctive therapies may be used for gingival inflammation in the first step of periodontal therapy
true
34
Adjunctive agents such as host-modulating agents and subgingivally delivered antimicrobials, may be used during the second step of therapy prior to removing subgingival deposits
false
35
Localised, non-responding sites and locally recurrent disease may be treated with which of the following?
Locally delivered antibiotics, Locally delivered antimicrobials
36
Systemic antibiotics may be considered for which specific patient category?
Generalised periodontitis Grade C in young adults
37
In order for adjuncts to be considered, which of the following criteria should be taken into account?
all listed
38
what is the sharpening angle for a curette
110
39
what is the sharpening angle for a sickle scaler
90
40
how many working sides does a piezo have?
2
41
how many working sides does a magnesioelectric scaler have
4
42
what is a sickle scaler used for?
supra pmpr
43
what is a universal curette used for
both
44
what is a site specific curettes used for ?
sub pmpr on posterior teeth
45
do fordyce spots require a referral to the hospital
no
46
what guidelines do we use for cross infection control
health technical memorandum (HTM 01-05) 2013
47
Label parts A, B & C (3)
A Shank B Handle C Working End
48
Label instrument A & B (2)
A Sickle scaler B Curette
49
Select the following statements that are true for this image for this image (2)
Sickle scaler, triangular in cross section allowing access into the gingival sulcus, Has a pointed back to be atraumatic to gingival sulcus
50
Select the following statements that are true for for this image (3)
Curette scaler, semi-circular in cross section, Curette scaler, semi-circular in cross section thus being atraumatic to subgingival soft tissue, Has rounded toe to increase tactile sensation and be atraumatic on entry into periodontal pocket
51
What features of this instrument allow it to be used for periodontal probing (select the appropriate answers) (4)
Smooth round tip, Round or rectangular in cross section, Calibrated markings, Instrument of measuring or evaluation
52
What features of this instrument allow it to be used for periodontal exploring (select the appropraite answer) (3)
Sharp pointed tip, Round in cross section, Wire like flexibility
53
What is this scaler? (1)
sickle scaler
54
label A & B
face and back
55
Label part C
lateral surface
56
Label part D
cutting edge
57
Simple shanks are ideally designed to access
anterior teeth
58
Where may a sickle scaler be used? (1)
Supragingivally
59
Where may a universal curette be used? (2)
Subgingival, Supragingival
60
There are many advantages to using instruments with a sharp cutting edge. Sharp cutting edges allow deposits to break off in smaller pieces reducing the risk of leaving burnished calculus. (1)
The first statement is true, the second statement is false.
61
Factors which determine the selection of an instrument include
All of the Above
62
Which instrument is used to measure pocket depth in millimtre increments?
Periodontal Probe
63
How are the features of a universal curette suited to their function?
Two cutting edges, Spoon shaped working-end, Cutting edges meet in rounded toe, Semi-circular in cross section
64
How are the features of a sickle suited to their function? (3)
Cutting edges meet in pointed tip, Pointed back, Triangular in cross section
65
Label the anatomical features
1 - interdental septum 2 - alveolus 3 - alveoli 4 - interradicular septum 5 - inner lingual alveolar plate 6 - outer buccal alveolar plate
66
label the structures
c - cementum e - alveolar bone f - periodontal ligament g - gingiva
67
label the structure
H - compact bone I - cancellous bone J - outer buccal alveolar plate k - cribriform plate L - alveolar crest
68
what causes a yellow stain ?
chromogenic, poor OH
69
what causes a green stain?
chromogenic bacteria and fungi
70
what causes a orange stain ?
chromogenic bacteria
71
what causes a black stain?
smokeless tobacco, paan, betel nut
72
what causes a brown staining
smoking
73
what causes metallic staining?
metal, factory dust, iron tablets
74
what causes black line staining?
chromogenic bacteria
75
how do you remove extrinsic stains?
good oh, polishing, pmpr, air polishing, bleaching and whitening
76
why do we remove staining
hidden calculus, plaque retentive factor, rough surface, aesthetics
77
what is extrinsic staining?
outside surface of the tooth caused by a topical or extrinsic agent
78
what causes intrinsic staining?
caused by internal or intrinsic agents
79
2 types of causative agents causing intrinsic staining
excessive fluoride tetracycline
80
2 restorative procedures that causes intrinsic staining
endodontics amalgam migration
81
what causes a grey stain
pulpless tooth release of billiverdin
82
what causes a pink stain ?
haemorrhage
83
what is this called ?
decalcification
84
what causes grey black colour staining
metal ions from amalgam
85
what is this image showing
dentinogenisis imperfecta
86
describe dentinogenisis
dentine is opalescent teeth appears translucent to bluish grey to brown odontoblastic disturbance
87
what is this condition called
dental fluorosis
88
what is this condition
herpes simplex virus
89
what is this condition called?
squamous cell carcinoma
90
what is this condition called
fordyce spots
91
what is this called
mucocele
92
Label A B C & D
A - deep lingual vein B - submandibular duct C - sublingual fold D - frenulum
93
label the structures A B C D E
A - hard palate B - soft palate C - uvula D - palatine tonsil E - Tongue
94
how do you remove intrinsic stainings?
vital bleaching micro abrasion cosmetic dentistry veneer non vital bleaching composite resin restoration
95
what is the critical ph of enamel after fluoride exposure
4.5
96
critical ph of Dentine
6.5
97
critical ph of enamel
5.5
98
Select the appropriate words that are appropriate for the acronym ABCDE relevant to a medical emergency
Airway, Breathing, Circulation, Disability, Exposure
99
Select the appropriate words that are appropriate for the acronym SBAR relevant to a medical emergency.
Situation, Background, Assessment, Recommendation