Past Papers Flashcards
Which articulator is most suitable for occlusal analysis?
Semi-adjustable
When the mandible is in its most reproducible relationship to the maxilla during closure, the point at which the teeth contact is called?
Retruded Contact Position
During RCT, which one of the following is normally used as a reference point for the working length?
Cusp or incisal tip
In which of the following types of periodontal defect is bone regeneration most likely to occur following successful?
Circumferential intrabody defect
If a site has a probing depth of 7mm and the gingival and the gingival margin is located 2mm coronal to the ACJ the loss of attachment is equal to?
5mm
At re-evaluation under what circumstances would periodontal surgery be indicated?
Excellent oral hygiene and pockets greater than or equal to 5mm
Which of the following describes the shape for an access cavity for an upper central incisor?
Triangle with apex above the cingulum and its base towards the incisal edge
Which of the following statements about the success of endodontic treatment is true?
Root canal obturation extending to within 2mm of radiographic apex contributes to success
When restoring an endodontically treated upper first molar, which cusps should covered by the restoration?
Full cuspal coverage
In healthy teeth, the biologic width, comprising the supra-alveolar connective tissue attachment and junctional epithelium, has an appropriate dimension of?
2mm
In the new periodontal classification, staging and grading of disease refers to?
Severity and progression respectively
You are about to extract multiple teeth on a fit and healthy 40 year old male. What is the maximum safe dose of Articaine 4% that you can administer?
7mg/kg
Which is the maximum safe dose of paracetamol that a fit and healthy patient can take over a 24 hour period?
4g
Where do the positively charged molecules which are the active molecules of the LA salt bind in sensory nerves to block impulse conduction?
Receptor within the sodium channel
When epidemiologist judge evidence to establish possible cause of a disease from an exposure they consider…
Evidence of strength of association between exposure and disease
Radiograph shows pterygoid hamular of which bone is the component?
Sphenoid
Following dental trauma, the most likely place to find a missing tooth fragment is?
Right main lung bronchi
29 y/o male with renal failure who requires haemodialysis attends to your dental surgery, he requires dental tx which includes restorations & extractions when would be the most appropriate time to provide dental treatment following his haemodialysis?
48 hours
23 y/o female with type 1 VW disease requires extraction of 3 molar teeth,? What is a suitable medication she will require prior to removing these teeth?
Desmopressin DDAVP
What fault will result in intra-oral radiograph being too dark?
Too long exposure time
What anatomical feature is most radiolucent on dental radiographs?
Air in maxillary sinus
Definition and material benefits of cold working?
Pushes lattice dislocation to the grain boundary, making stainless steel stronger under compression
What is the pH of non setting calcium hydroxide?
10
What material has thermal expansion similar to tooth enamel?
GIC
