Advanced Techniques in Local Anaesthesia Flashcards
what is an intraosseous injection?
injecting directly into the bone
what type of case would it be appropriate to opt for an alternative IAN block technique?
patient with severe trismus
what injection tends to be more painful for patients?
palatal injections (the tissue has no give)
what is the best method for giving a painless palatal injection?
DISTRACTION (wiggle toes, press on another area of mouth)
what are the steps for chasing anaesthesia palatal injections?
- give buccal infiltration
- inject into interdental papilla
- slowly advance needle while injecting until palatal tissues blanch
- inject into blanched area
what is a limitation of the ‘chasing anaesthesia’ method?
time consuming!
when performing an intraligamentary injection, explain the direction of the bevel?
bevel facing towards dentine
what is the efficacy of periodontal ligament anaesthesia dependent upon?
- procedure
- tooth
- resistance to injection
- anaesthetic solution used
what tooth is least likely to respond well to intraligamentary anaesthesia?
canines
what are the steps for performing an intraosseus injection?
- fit special head onto slow speed hand piece
- drill hole into bone
- LA injected into hole
what are the disadvantages of a topical jet injector?
- expensive
- can cause soft tissue damage
- frightening sight and sound
- taste of solution
what are the different types of alternative IAN block techniques?
- Gow Gates
- Akinosi technique
what is ‘The Wand’ ?
new technology that released LA at a constant pressure (less painful)
