Comparative Safety of Needle, EndoActivator, and Laser-Activated Irrigation in Overinstrumented Root Canals

Şen, Özgür Genç; Kaya, Melih

doi:10.1089/pho.2017.4380

Cited by 7 publications

(15 citation statements)

References 38 publications

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“…This method was used previously by others. 10,28,29 In a methodological study, the extrusion pattern of irrigant obtained with the foam cube method showed good correlation with the pattern obtained by the traditional glass vial collection method. 30 Weaknesses of the study include the lack of periodontal tissue pressure, the use of a single type of tooth with straight roots only, and the performance of the experiment by a single operator.…”

Section: Discussionmentioning

confidence: 82%

Kök kanal geometrisinin ve iğne tipinin apikalden irrigan taşmasına etkisi: ex vivo çalışma

FİKİRLİ

Altunkaynak

Kayaoğlu

2022

Acta Odontologica Turcica

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Objective: The aim was to evaluate the effect of root canal geometry on the amount of apical extrusion of irrigant, by testing different tapers and needle types. Materials and Method: Forty-three extracted single-rooted human mandibular premolar teeth were accessed. Experimental groups were instrumented to produce increasing amounts of taper in each successive group: Group 1 (#25/.02), Group 2 (#25/.04), Group 3 (#25/.06), and Group 4 (#25/.08) (n=43, each). Irrigation was done sequentially by using a 30-G open-ended flat needle, 30-G close-ended side-vented needle, and 27-G open-ended beveled needle. Flat and side-vented needles were each placed 3 mm short of the apex, while the beveled needle was placed as far as possible in the canal without binding. Extruded irrigant was collected in preweighed foam cubes. Statistical significance was set at p<0.05. Results: An increase in canal taper led to a decrease in the amount of extruded irrigant for the flat needle (p<0.05; Groups 1 and 2 versus 3 and 4) and side-vented needle (p<0.05; Groups 1 and 2 versus 4), but no significant effect was found for the beveled needle. The amount of extruded irrigant was greater with the flat than with the side-vented needle at all tapers and with the beveled needle at most tapers (p<0.05). The side-vented needle was generally associated with the least amount of extrusion. Conclusion: Given a constant needle insertion depth, the amount of apically extruded irrigant decreased as canal taper increased. The greatest and least amounts of extrusion were generally observed with the flat and side-vented needle, respectively.

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Section: Discussionmentioning

confidence: 82%

Kök kanal geometrisinin ve iğne tipinin apikalden irrigan taşmasına etkisi: ex vivo çalışma

FİKİRLİ

Altunkaynak

Kayaoğlu

2022

Acta Odontologica Turcica

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“…The flow rate was standardised in eight studies using a programmable precision syringe pump with constant pressure [18, 20, 24, 28, 34, 35, 39, 41]. In nine studies, the flow rate was established using a hand‐controlled syringe to create a constant flow rate in the root canal [1, 10, 11, 29, 36–38, 40, 42]. Understandably, hand control is not entirely reliable and does not meet the required standards [30].…”

Section: Discussionmentioning

confidence: 99%

“…Endodontic irrigants are widely used in root canal therapy because of their antiseptic and dissolution properties [8]; however, extrusion of even a minuscule concentration (0.1%) of sodium hypochlorite (NaOCl) can have toxic effects on periapical tissues [9]. Several factors, such as chronic periapical lesions, decreased periapical tissue resistance, loss of apical constriction, apical diameter, perforation and irrigation technique, influence extrusion [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of irrigant extrusion following the use of different root canal irrigation techniques: A systematic review and meta‐analysis

Mazreah¹,

Shirvani

Mazreah³

et al. 2022

Aust Endodontic J

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This systematic review investigates whether different irrigation techniques have different effects on irrigant extrusion from mature tooth apices. Articles published between January 2000 and January 2022 were searched in six electronic databases (MEDLINE, Embase, Google Scholar, Web of Science, Scopus and Cochrane) using appropriate keywords. Overall, 2265 articles were screened by their titles and abstracts. Fifty‐six full‐text articles were selected based on the inclusion criteria. Of them, 17 in vitro studies were included in the systematic review and meta‐analysis. The meta‐analysis was conducted using the random‐effects inverse variance method. The results showed that the negative pressure technique caused a lesser amount (p = 0.00) and frequency (p = 0.00) of extrusion than the open‐ended needle irrigation. Sonic and ultrasonic activation caused less amount of extrusion than both open‐ended (p = 0.00 or p = 0.01) and closed‐ended needle (p = 0.00) irrigation.

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“…Causing less debris extrusion may be another important factor for immature teeth in order to prevent the TAP from going beyond the apical foramen. Several studies have compared the techniques used in this study with regard to apical extrusion at mature teeth ( 14 , 44 , 45 , 46 ). Because this study proved that the irrigation techniques had similar effects with regard to TAP removal, another important factor, apical extrusion, could affect the selection of the irrigation method.…”

Section: Discussionmentioning

confidence: 99%

Micro-computed tomography assessment of triple antibiotic paste removal using different irrigation methods

Sarıçam¹,

Yusufoğlu²,

Küçük³

et al. 2021

eor

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Comparative Safety of Needle, EndoActivator, and Laser-Activated Irrigation in Overinstrumented Root Canals

Abstract: EAI, NI, and LAI are equally safe for irrigating canals with intact apices. However, the risk of irrigant extrusion can increase in overinstrumented canals, with EAI associated with a greater risk compared with NI and LAI.

Cited by 7 publications

References 38 publications

Kök kanal geometrisinin ve iğne tipinin apikalden irrigan taşmasına etkisi: ex vivo çalışma

Kök kanal geometrisinin ve iğne tipinin apikalden irrigan taşmasına etkisi: ex vivo çalışma

Evaluation of irrigant extrusion following the use of different root canal irrigation techniques: A systematic review and meta‐analysis

Micro-computed tomography assessment of triple antibiotic paste removal using different irrigation methods

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