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The Influence of a New Clinical Motion for Endodontic Instruments on the Incidence of Postoperative Pain. - PubMed - NCBI
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Clin Ter. 2017 Jan-Feb;168(1):e23-e27. doi: 10.7417/CT.2017.1977.

The Influence of a New Clinical Motion for Endodontic Instruments on the Incidence of Postoperative Pain.

Author information

1
Department of Oral and Maxillo Facial Sciences, Sapienza University of Rome, Rome.
2
University of Toronto, Faculty of Dentistry, Graduate Department of Endodontics, Canada.
3
Department of Periodontics and Endodontics, University at Buffalo, New York, USA.

Abstract

OBJECTIVES:

Previous studies showed that motor motions play an important role in determining apical extrusion of debris. Therefore a new clinical motion (MIMERACI) has been proposed. The basic idea is to progress slowly (1mm advancement), and after each 1mm, to remove the instrument from the canal, clean flutes and irrigate. The aim of the study was to prove whether the clinical use of MIMERACI technique would influence or not postoperative pain.

MATERIALS AND METHODS:

100 teeth requesting endodontic treatment were selected for the study and divided into two similar groups based on anatomy, pre-operative symptoms and vitality, presence or absence of periapical lesion. All teeth were shaped, cleaned and obturated by the same operator, using the same NiTi instruments. The only difference between the two groups was the instrumentation technique: tradional (group A) vs MIMERACI (group B). Assessment of postoperative pain was performed 3 days after treatment. Presence, absence and degree of pain were recorded with a visual analogue scale (VAS), validated in previous studies. Collected data statistically analyzed using one-way ANOVA post hoc Tukey test.

RESULTS:

For VAS pain scores MIMERACI technique showed significantly better results than group A (p=0,031). Overall, both incidence and intensity of symptoms were significantly lower. Flare ups occurred in 3 patients, but none treated with the MIMERACI Technique.

CONCLUSIONS:

Since extruded debris can elicit more postoperative pain, results obtained by using MIMERACI technique are probably due to many factors: better mechanical removal and less production of debris and more efficient irrigation during instrumentation.

KEYWORDS:

Endodontic instrumentation; Endodontic motion; Post-operative pain

PMID:
28240758
[Indexed for MEDLINE]
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