miscellaneous

Question 1

chance of transmission of Hep B, hep C and HIV
(if deep penetrating injury)

Answer 1

Hep B - 1 in 3
Hep C - 1 in 30
HIV - 1 in 300

Question 2

what activates aciclovir

Answer 2

thymidine kinase which is only present in infected cells

Question 3

what is the favoured technique for PA radiographs

Answer 3

paralleling

Question 4

when is the bisecting angle technique used

Answer 4

if you cannot position the receptor parallel to the tooth e.g gag reflex

Question 5

pros and cons of bisecting angle technique

Answer 5

pros: potentially more comfortable for patients
cons: increased risk to thyroid gland, images hard to reproduce, hard to get correct beam angulation

Question 6

what is the bisecting angle technique

Answer 6

x ray tube (beam) placed at a 90 degree angle to a line bisecting the angle between the long axis of the tooth and the receptor

Question 7

nayaar core

Answer 7

amalgam condensed into the coronal portion of root canal and then built up to form a core

cores cant be prepped until amalgam fully set - 24 hours

Question 8

what is TIPPS

Answer 8

behaviour change strategy to highlight the importance of effective plaque removal and to show the patient how they can achieve this

Question 9

what does TIPPS stand for

Answer 9

talk
instruct
practice
plan
support

Question 10

minimum depth for a lingual bar

Answer 10

7mm

Question 11

maculopapular rash

Answer 11

mixture of macules (flat discoloured areas) and papules (small raised bumps)

Question 12

temporal arteritis

Answer 12

inflammation of temporal arteries
manifests as unilateral temporal or jaw pain
requires urgent hospital treatment to prevent sight loss

Question 13

how are vertical defects classified

Answer 13

number of walls remaining
- 3 wall
- 2 wall
- 1 wall (worst)