Effect of continuous ultrasonic irrigation on postoperative pain in mandibular molars with nonvital pulps: a randomized clinical trial

Aim To evaluate via a randomized clinical trial the effect of continuous ultrasonic irrigation (CUI) on postoperative pain in mandibular molars with nonvital pulps. Methodology Seventy mandibular molars with nonvital pulps and apical periodontitis were treated endodontically using two different irri...

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Bibliographic Details
Published in:International endodontic journal 2017-06, Vol.50 (6), p.522-530
Main Authors: Middha, M., Sangwan, P., Tewari, S., Duhan, J.
Format: Article
Language:English
Subjects:
Adult
Analgesics
Analgesics, Non-Narcotic - therapeutic use
apical periodontitis
Clinical trials
continuous ultrasonic irrigation
Data processing
Dentistry
endodontic treatment
Endodontics
Female
Humans
Ibuprofen
Ibuprofen - therapeutic use
Irrigation
Lavage
Male
Mandible
Molar - surgery
Molars
Pain
Pain Measurement
Pain, Postoperative - prevention & control
Periapical Periodontitis - surgery
Periodontitis
postoperative pain
Postoperative period
syringe irrigation
Teeth
Therapeutic Irrigation - methods
Tooth, Nonvital - surgery
Ultrasonic Therapy - methods
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Summary:Aim To evaluate via a randomized clinical trial the effect of continuous ultrasonic irrigation (CUI) on postoperative pain in mandibular molars with nonvital pulps. Methodology Seventy mandibular molars with nonvital pulps and apical periodontitis were treated endodontically using two different irrigation techniques. The patients were randomly allocated to one of two groups, CUI (n = 35) and syringe irrigation (SI) (n = 35). The CUI group received irrigant activation using a Proultra Piezoflow ultrasonic needle as the final irrigation protocol, whilst in the SI group, the final irrigation was performed using 27‐gauge needle. All the patients were prescribed ibuprofen 400 mg to be taken every 8 h, if required. Postoperative pain using a visual analog scale and analgesic intake were recorded everyday for 7 days. Data were analysed using chi–Square, Mann–Whitney and multiple linear regression tests. Results Mean postoperative pain was lower in the CUI as compared to SI group, but the difference was significant on the first day only (P = 0.032). The overall 24‐h pain prevalence was 41.4%. CUI had a lower incidence of pain (31.4%) as compared to the SI group (51.4%), but the difference was not significant (P > 0.05). No significant difference was observed in analgesic consumption between the groups (P > 0.05). Regression analysis revealed a significant association of mean postoperative pain at 24 h with the irrigant protocol (P = 0.017) and preoperative pain (P = 0.000). Conclusion A significant difference was observed between CUI and syringe irrigation on the first postoperative day following chemo‐mechanical preparation. However, the benefit observed was not clinically relevant.
ISSN:0143-2885
1365-2591
DOI:10.1111/iej.12666