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Ultrasonically-
and laser‐activated irrigation found to yield low and comparable levels of
postoperative pain relief after root canal procedure.
A recent
randomized clinical trial published in the International Endodontic Journal found that the
use of Ultrasonically (UAI) and laser‐activated irrigation (LAI) lead to
comparable levels of post‐operative pain relief in patients receiving primary
root canal treatment.
A total
of 56
patients with an asymptomatic tooth requiring
primary root canal treatment were registered to distinguish between the
efficacy of UAI and LAI in terms of pain relief. The teeth were randomly
designated to 2 groups- UAI group and LAI group, with 28 patients in each
group. Patients were blinded to the
final irrigation protocol. After root canal, the patients recorded the pain
intensity at different time intervals i.e. 6, 24, 48 and 72 hours on visual
analogue scale (VAS). The use of
analgesics was also noted.
After the
root canal surgery, low pain intensity was observed, with many patients having
no or minimal pain a day after the surgery. The pain intensity and incidence
were considerably higher in the UAI group than the LAI group at 6 hours. No
difference was found concerning the use of analgesics in both the groups. No
adverse effects were found.
International Endodontic Journal
Post‐operative pain after ultrasonically and laser‐activated irrigation during root canal treatment: A randomized clinical trial
D. Liapis et al.
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