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Comparison of the cleaning efficacy of a new apical negative pressure irrigating system with conventional irrigation needles in the root canals

Authors
 Su-Jung Shin  ;  Hee-Kyoung Kim  ;  Il-Young Jung  ;  Chan-Young Lee  ;  Seung-Jong Lee  ;  Euiseong Kim 
Citation
 ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS, Vol.109(3) : 479-484, 2010 
Journal Title
ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS
ISSN
 1079-2104 
Issue Date
2010
MeSH
Analysis of Variance ; Debridement/instrumentation ; Debridement/methods ; Dental Instruments ; Dental Pulp Cavity/surgery* ; Humans ; Incisor ; Root Canal Irrigants/administration & dosage* ; Root Canal Preparation/instrumentation* ; Root Canal Preparation/methods ; Smear Layer ; Statistics, Nonparametric ; Therapeutic Irrigation/instrumentation* ; Therapeutic Irrigation/methods ; Tooth Apex/surgery ; Vacuum
Abstract
OBJECTIVES: This study evaluated the efficacy of EndoVac system in comparison with that of a conventional needle irrigation method when the root canals were enlarged to various sizes.

STUDY DESIGN: Sixty-nine single-rooted teeth were divided into 3 groups according to the root canal irrigation system (24G and 30G needle and EndoVac). Each group was divided into 3 subgroups according to the MAF size (#25, #40, and #60). Four-micron-thick serial sections were prepared at 1.5 and 3.5 mm from the apical level and photographs were taken for the analysis. The influence of the irrigation system and apical size was evaluated using a 1-way ANOVA test and Tukey's test (P < .05).

RESULTS: At both levels, significant differences were detected between EndoVac system and conventional needle irrigation in removing debris (P < .05). The relationship between the MAF size and irrigation efficacy was found to have a positive relationship (P < .05).

CONCLUSIONS: EndoVac left significantly less debris behind than the conventional needle irrigation methods. Although all 3 irrigation methods resulted in clean root canals because the percentage occupied by remaining debris was very low in our specimens, larger apical instrumentation seemed to improve apical root canal debridement.
Full Text
http://www.sciencedirect.com/science/article/pii/S1079210409008506
DOI
10.1016/j.tripleo.2009.10.050
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Eui Seong(김의성) ORCID logo https://orcid.org/0000-0003-2126-4761
Shin, Su Jung(신수정) ORCID logo https://orcid.org/0000-0001-5795-3919
Lee, Seung Jong(이승종)
Lee, Chan Young(이찬영)
Jung, Il Young(정일영) ORCID logo https://orcid.org/0000-0001-8972-2664
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/100753
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