Canal and isthmus debridement efficacy of the VPro endosafe negative-pressure irrigation technique

Michelle U. Sarno, Stephanie Jane Sidow, Stephen Warwick Looney, Kimberly W. Lindsey, Li Na Niu, Franklin Chi Meng Tay

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Introduction: This study compared canal and isthmus debridement efficacies between side-vented needle irrigation (SNI) and the VPro EndoSafe (VPro) negative-pressure device (Vista Dental, Racine, WI) in mesial roots of mandibular first molars with narrow isthmuses in a closed-canal design. Methods: Twenty teeth with narrow isthmuses were selected using micro-computed tomography scanning. Collagen solution was reconstituted with 1% NH 4OH to simulate debris and injected into canals via vacuum. Canals were instrumented to size 40/.04. Final irrigation was performed with 17% EDTA and 6% NaOCl using SNI with a 30-G needle or the VPro system. Roots were demineralized, and Masson trichrome-stained sections were prepared at 1.2 to 3.2 mm from the anatomic apex for a total of 6 canal levels. Debris-filled areas within the canals and isthmuses were measured using ImageJ software (National Institutes of Health, Bethesda, MD) and statistically analyzed using repeated-measures analysis. Results: There was no significant difference between techniques and debridement efficacy among the 6 levels within the canal (P =.108). The debridement efficacy at 1.6 mm differed significantly from that at 3.2 mm. VPro had significantly more debris at isthmus levels 2.0 and 2.4 mm than SNI (P =.009). A significant difference was observed between the canal and the isthmus (P <.001). Neither VPro nor SNI removed debris completely from the apical third or isthmus. Conclusions: VPro EndoSafe did not differ significantly from SNI in the overall debridement efficacy in the apical third of mesial roots of mandibular first molars.

Original languageEnglish (US)
Pages (from-to)1631-1634
Number of pages4
JournalJournal of Endodontics
Volume38
Issue number12
DOIs
StatePublished - Dec 1 2012

Fingerprint

Debridement
Needles
Pressure
Tooth
National Institutes of Health (U.S.)
Vacuum
Edetic Acid
Collagen
Software
Tomography
Equipment and Supplies

Keywords

  • Closed system
  • collagen
  • isthmus
  • negative pressure
  • side-vented needle

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Canal and isthmus debridement efficacy of the VPro endosafe negative-pressure irrigation technique. / Sarno, Michelle U.; Sidow, Stephanie Jane; Looney, Stephen Warwick; Lindsey, Kimberly W.; Niu, Li Na; Tay, Franklin Chi Meng.

In: Journal of Endodontics, Vol. 38, No. 12, 01.12.2012, p. 1631-1634.

Research output: Contribution to journalArticle

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abstract = "Introduction: This study compared canal and isthmus debridement efficacies between side-vented needle irrigation (SNI) and the VPro EndoSafe (VPro) negative-pressure device (Vista Dental, Racine, WI) in mesial roots of mandibular first molars with narrow isthmuses in a closed-canal design. Methods: Twenty teeth with narrow isthmuses were selected using micro-computed tomography scanning. Collagen solution was reconstituted with 1{\%} NH 4OH to simulate debris and injected into canals via vacuum. Canals were instrumented to size 40/.04. Final irrigation was performed with 17{\%} EDTA and 6{\%} NaOCl using SNI with a 30-G needle or the VPro system. Roots were demineralized, and Masson trichrome-stained sections were prepared at 1.2 to 3.2 mm from the anatomic apex for a total of 6 canal levels. Debris-filled areas within the canals and isthmuses were measured using ImageJ software (National Institutes of Health, Bethesda, MD) and statistically analyzed using repeated-measures analysis. Results: There was no significant difference between techniques and debridement efficacy among the 6 levels within the canal (P =.108). The debridement efficacy at 1.6 mm differed significantly from that at 3.2 mm. VPro had significantly more debris at isthmus levels 2.0 and 2.4 mm than SNI (P =.009). A significant difference was observed between the canal and the isthmus (P <.001). Neither VPro nor SNI removed debris completely from the apical third or isthmus. Conclusions: VPro EndoSafe did not differ significantly from SNI in the overall debridement efficacy in the apical third of mesial roots of mandibular first molars.",
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AU - Sidow, Stephanie Jane

AU - Looney, Stephen Warwick

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AU - Niu, Li Na

AU - Tay, Franklin Chi Meng

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