Evaluation of Apically Extruded Debris using Two Niti Systems Associated with Two İrrigation Techniques in Primary Teeth

Güngör, Özge; Kuştarcı, Alper

doi:10.17796/1053-4628-40.6.490

Cited by 15 publications

(25 citation statements)

References 33 publications

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“…The HF were associated with higher amount of debris extrusion apically in this study, and this is in agreement with the existing literature. 8,11,12,[21][22][23][24] Our results showed that rotary files used in crown-down fashion extruded more debris than the SAF system. This may be detrimental to the underlying stem cells and lead to alterations in the dental germ, such as hypoplasia, morphological alteration on the dental crown, or total arrest of radicular formation.…”

Section: Discussionmentioning

confidence: 99%

“…8,21 The main reason for this could be attributed to the start of physiologic resorption soon after the completion of the formation of a primary tooth. These teeth are associated with wide apical diameter than permanent teeth, hence increasing the chances of more debris extrusion periapically during root canal instrumentation.…”

Section: Discussionmentioning

confidence: 99%

“…These teeth are associated with wide apical diameter than permanent teeth, hence increasing the chances of more debris extrusion periapically during root canal instrumentation. 8 The distal root of primary mandibular molars was selected for this study as they possess a large single root canal with a uniform canal outline and relatively less intracanal ramifications compared with mesial roots. 21 The results of this study exhibit that all systems caused apical debris extrusion during the root canal instrumentation.…”

Section: Discussionmentioning

confidence: 99%

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Extrusion of Debris from Primary Molar Root Canals following Instrumentation with Traditional and New File Systems

Thakur

Kfir

Neelakantan

2017

The Journal of Contemporary Dental Practice

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Introduction:To assess the amount of debris extruded apically during instrumentation of distal canals of extracted primary molars by three instrument systems [ProTaper Universal (PTU), ProTaper NEXT (PTN), and self-adjusting file (SAF)] compared with conventional stainless steel hand K-files (HF, control). Materials and methods:Primary mandibular molars (n = 120) with a single distal canal were selected and randomly divided into four groups (n = 30) for root canal instrumentation using group I, HF (to size 0.30/0.02 taper), group II, PTU (to size F3), group III, PTN (to size X3), and group IV, SAF. Debris extruded during instrumentation was collected in preweighed Eppendorf tubes, stored in an incubator at 70°C for 5 days and then weighed. Statistical analysis was performed by one-way analysis of variance (ANOVA), followed by Turkey's post hoc test (p = 0.05).Results: All the groups resulted in extrusion of debris. There was statistically significant difference (p < 0.001) in the debris extrusion between the three groups: HF (0.00133 ± 0.00012), PTU (0.00109 ± 0.00005), PTN (0.00052 ± 0.00008), and SAF (0.00026 ± 0.00004). Conclusion:Instrumentation with SAF resulted in the least debris extrusion when used for shaping root canals of primary molar teeth. Clinical significance: Debris extrusion in primary teeth poses an adverse effect on the stem cells and may also alter the permanent dental germ. Debris extrusion is rarely reported for primary teeth and it is important for the clinician to know which endodontic instrumentation leads to less extrusion of debris. Extrusion of Debris from Primary Molar Root

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Extrusion of Debris from Primary Molar Root Canals following Instrumentation with Traditional and New File Systems

Thakur

Kfir

Neelakantan

2017

The Journal of Contemporary Dental Practice

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“…Previous studies have only compared the Reciproc system in primary molars and canines with other rotary and reciprocating systems. The results demonstrated that the Reciproc system achieved a better performance in relation to instrumentation speed, cleaning, and extrusion of debris . Better cleaning was specially obtained in the coronal and middle thirds of the root, and less time was needed for instrumentation when the rotatory systems were used, especially the reciprocating one .…”

Section: Discussionmentioning

confidence: 92%

“…The results demonstrated that the Reciproc system achieved a better performance in relation to instrumentation speed, cleaning, and extrusion of debris. 9,27,28 Better cleaning was specially obtained in the coronal and middle thirds of the root, and less time was needed for instrumentation when the rotatory systems were used, especially the reciprocating one. 5,7,8 Only one study reported longer times for instrumentation with rotary systems compared to the manual, in which he considered it as a matter of operator's experience.…”

Section: Discussionmentioning

confidence: 99%

Reciprocating instrumentation in a maxillary primary central incisor: A protocol tested in a 3D printed prototype

Moraes

Santos

Marceliano-Alves

et al. 2018

Int J Paed Dentistry

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Summary Background Efficient endodontic instrumentation of primary teeth is a challenge for paediatric dentists. Aim To evaluate biomechanical outcomes of endodontic instrumentation with a reciprocating system in a polymer‐prototyped primary maxillary central incisor. Design The specimen was systematically instrumented and micro‐CT scanned before and after each file. The amount of debris, percentage of non‐instrumented areas, removed dentin volume, and lower dentin thickness at specific points along the root canal were analyzed. Results A 10% increase in removed dentin volume was observed when R40 was compared to R25 (14.5% vs 4.2%). When comparing R50 with R40, this increase was only 3.4% (17.9% vs 14.5%). In the root cervical third, there was substantial reduction in dentin thickness with R50 (48.8%), followed by R40 (39.5%) and R25 (18.6%). There was no difference between R25 and R40 in the removal of dentin at the apical third (15.8%), while R50 resulted in 39.8% reduction in dentin thickness. Percentage of non‐instrumented areas were the same for all files. Accumulated debris with R40 and R50 was the same (0.19 mm³) while for R25 was 0.11 mm³. Conclusions The Reciproc® system was effective for instrumentation of a prototyped primary maxillary central incisor. The most suitable file for apical preparation was R40.

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The comparison of cleaning efficacy and apical extrusion of advanced irrigation activation methods with a novel Er:YAG laser modality: sweeps

2021

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Evaluation of Apically Extruded Debris using Two Niti Systems Associated with Two İrrigation Techniques in Primary Teeth

Abstract: All instrumentation and irrigation techniques caused debris extrusion. However, the optimal laser activation time and power settings should be investigated to ensure minimal extrusion of debris and irrigant due to cavitation and pressure during LAI in root canal treatment.

Cited by 15 publications

References 33 publications

Extrusion of Debris from Primary Molar Root Canals following Instrumentation with Traditional and New File Systems

Extrusion of Debris from Primary Molar Root Canals following Instrumentation with Traditional and New File Systems

Reciprocating instrumentation in a maxillary primary central incisor: A protocol tested in a 3D printed prototype

The comparison of cleaning efficacy and apical extrusion of advanced irrigation activation methods with a novel Er:YAG laser modality: sweeps

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