MCQS Flashcards
The ideal preparation for a full gold crown for a lower molar tooth should include:
a) A 0.5mm shoulder preparation lingually
b) A 1mm occlusal reduction of the lingual cusp
c) A subgingival margin placement where possible
d) A taper of approximately 0.5 degrees
e) Mesial and/or distal retention grooves
B
A patient presents with a draining sinus tract in the labial vestibule of a maxillary central incisor. To confirm your diagnosis of the origins of the pathosis, what would you do
Thread gutta-percha through the tract and take a radiograph
Which of the following impression materials would be MOST recommended to be used when recording an impression of a crown preparation?
a) Addition cured silicone
b) Condensation cured silicone
c) Irreversible hydrocolloid
d) Polysulphide
e) Reversible hydrocolloid
A
In multi-rooted teeth undergoing root canal treatment some canals may be difficult to instrument. Which material can help you negotiate canals which may be difficult to instrument?
Ethylenediaminetetraacetate (EDTA)
Which of the following is NOT considered to be an appliance covered under the Medical Devices Directive?
a) Bridges
b) Inlays
c) Temporary Crowns
d) Dentures
e) Partial Dentures
C
Which of the following luting cements is MOST contra-indicated for use with Eugenol?
a) Zinc Phosphate
b) GIC
c) RMGIC
d) Resin Composite Cements
e) Panavia
D
Which of the following is NOT a method of gingival retraction?
a) Retraction cord
b) Cryosurgery
c) Expasyl
d) Margin Placement
e) Rotary Curettage
B
What type of somatosensory receptor is associated with the ability of the body to sense stimuli that are arising from in and outside the body?
Proprioceptors
Which of the following is NOT a type of elastomeric impression material?
a) Polysulphide
b) Polyether
c) Polyvinyl chloride
d) C-Silicone
e) Polyvinyl siloxane
C
The most posterior area of the alveolar ridge is the:
Maxillary Tuberosity
Ludwig’s Angina is gangrenous bacterial cellulitis affecting which area(s)?
Submandibular and Sublingual spaces
The root morphology of an upper first permanent molar consists of:
2 buccal roots, 1 palatal root
Which of the following is a microorganism commonly detected in asymptomatic, persistent endodontic infections that were not treated with Chlorhexidine?
a) Staphylococcus aureus
b) Streptococcus pyogenes
c) Lactobacillus acidophilus
d) Enterococcus faecalis
e) Actinobacillus actinomycetemcomitans
D
. Thrombocytopathy can be caused by uraemia, inherited disorders such as Von Willebrand Disease or myeloproliferative disorders. It can also be drug induced. Which of the following is NOT a drug which affects thrombocytopathy?
Metronidazole
Adhesive onlays are dependent on the cement used rather than mechanical means of retention. Which of the following is the CORRECT luting cement used in positioning of onlays?
Panavia
