Abstract
Introduction
The present study aimed to clinically compare the incidence of postoperative pain
after endodontic treatment of posterior teeth using the WaveOne Gold (WOG; Dentsply
Sirona, Ballaigues, Switzerland) and XP-endo Shaper (XPES; FKG Dentaire, La Chaux-de-Fonds,
Switzerland) systems.
Methods
In a single-blind randomized clinical trial, 148 vital teeth with an indication for
conventional endodontic therapy for prosthetic purposes were treated by 5 specialists
following a preestablished protocol. All participants were unaware of the treatment
they received. The teeth were randomly divided into 2 groups (n = 74) according to the instrumentation system used (the WOG group and XPES group).
The treatments were performed in a single session. The participants were asked to
rate the intensity of postoperative pain on a visual analog scale (no pain, mild pain,
moderate pain, and severe pain) after 24, 48, and 72 hours and 7 days.
Results
The incidence of postoperative pain was higher in the XPES group after 24, 48, and
72 hours compared with those in the WOG group (P < .05). Two participants in the WOG group experienced severe postoperative pain after
24 hours. None of the participants in either group reported pain after 7 days (P > .05, Mann-Whitney test).
Conclusions
Postoperative pain is expected after preparation of the root canal system with the
WOG and XPES systems tested, but it only persists for a short period. Although more
common after the use of the XPES system, the pain was classified as mild at all time
points.
Key Words
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Article info
Publication history
Published online: June 22, 2021
Identification
Copyright
© 2021 American Association of Endodontists.
