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J Conserv Dent. 2019 Jul-Aug;22(4):332-335. doi: 10.4103/JCD.JCD_39_19.

In vivo evaluation of painful symptomatology after endodontic treatment with or without the use of photodynamic therapy.

Author information

1
Department of Endodontics, Brazil University, Fernandópolis, Brazil.
2
Department of Endodontics, University of Ilhéus, Ilhéus, Bahia, Brazil.
3
Department of Endodontics, São Leopoldo Mandic Dental Research Center, Campinas, SP, Brazil.

Abstract

Context:

Postoperative pain control after endodontic treatment is important to maintain patient comfort.

Aim:

The aim of this prospective clinical study was to evaluate the postoperative symptomatology of endodontic treatments performed in a single session, with or without photodynamic therapy (PDT), using Reciproc #40 file in necrotic unirradicular anterior teeth.

Materials and Methods:

In a prospective clinical study, 40 teeth indicated for endodontic treatment were treated by a single endodontist according to a preestablished protocol. The teeth were randomly divided into two groups (n = 20): control group (CG) and laser group (LG). After 24 h, 72 h, and 1 week of endodontic treatment, patients' pain symptomatology was evaluated through a Visual Analog Scale (VAS) ranging from 0 to 10, in which 0 corresponds to no pain and 10 indicates extreme pain. In both workgroups, similar protocols were used for instrumentation with the Reciproc system (R40), irrigation with 2.5% sodium hypochlorite, and filling by the gutta-percha plastification technique, in which the CG did not use PDT, and the LG used PDT after the instrumentation sequence. After the visit, the patients were given a prescription for ibuprofen 400 mg to be taken every 6 h if they experienced pain.

Results:

The results of the study, analyzing the VAS, did not show any difference in pain symptoms between the groups at 24 h, 72 h, and 1 week (P > 0.05).

Conclusions:

It was concluded that there was no statistical difference between the groups.

KEYWORDS:

Nickel–titanium instruments; Reciproc; photodynamic therapy; postoperative pain

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