1 Flashcards
what could be used as a hot thermal test for pulp sensibility testing
hot gutta percha
temperature of endofrost
-50 degrees
describe a normal response to vitality testing
short, sharp pain that diminishes within seconds after stimuli removed
what difference does TTP in an occlusal and TTP in a lateral direction indicate
occlusal TTP indicates endodontic cause
lateral TTP indicates periodontal cause
name 5 risk factors for dry socket
smoking
alcohol
oral contraceptive
mandibular posterior teeth
immunocompromised
previous dry socket
what 8 things should be included on a trauma stamp
- sinus tract - +/-
- colour
- TTP
- Mobility
- Ethyl chloride / endo frost
- EPT
- percussion note (dull /high)
- radiograph
name 5 risks of endodontic treatment
perforation
instrument fracture or separation
continued symptoms - failed RCT and referral to specialist or extraction required
hypochlorite accident
missed canals
trismus
what percentage of sodium hypochlorite for endodontics
2.5 %
Range 0.5-5.25%
purpose of sodium hypochlorite as an irrigant in endodontics
dissolves necrotic and vital organic tissue
antimicrobial
lubricant
what percentage of EDTA for endodontics
17%
purpose of EDTA as an endodontic irrigant
dissolves smear layer
dissolves inorganic tissue
lubricator
decalcifying agent (useful in sclerosed canals)
what should gingival retraction cord be soaked in prior to placement
a haemostatic agent (astringent) e.g ferric sulphate or aluminium chloride (non staining)
what is the purpose of a bevel margin and what angle should it be
allows composite to blend with existing tooth structure
45 degrees
what should be used to etch enamel and dentine
37% phosphoric acid
what can be used as a cavity liner
setting calcium hydroxide
RMGIC- vitrebond
