scholarly journals Evaluation of apical debris extrusion during root canal preparation using Hand K file, Revo S, Protaper Next and Wave One file system: An in vitro study.

2020 ◽  
Vol 6 (2) ◽  
pp. 16-21
Author(s):  
Mohd Salman Akhtar ◽  
Ankit Agarwal ◽  
Mohammed Ayaz Malick ◽  
Sheeba Khan ◽  
Sachin Yadav ◽  
...  
Keyword(s):  
Root Canal ◽  
File System ◽  
Root Canal Preparation ◽  
Group 4 ◽  
Apical Extrusion ◽  
Intergroup Comparison ◽  
Significant Difference ◽  
Final Weight ◽  
Group 3 ◽  
Group 2

Introduction: The key step during the root canal treatment is the biomechanical preparation of the infected root canals. This preparation may result in pushing the apical debris through the apical foramen into the periapical space leading to initiation of immunological response by the host leading to postoperative pain and discomfort. Therefore the aim of the study was to compare the apical debris extrusion during root canal preparation using Hand k file, Revo S, Protaper Next and Wave One file system.    Materials and Method: Sixty extracted human mandibular premolars with single canal were selected and randomly divided into four groups (n = 15) for instrumentation with four different files. Group 1: Hand k file, Group 2: Revo S file, Group 3: ProTaper Next, and Group 4: WaveOne single reciprocating file. Debris extruding during instrumentation were collected into pre-weighed Eppendorf tubes. These tubes were then stored in an incubator at 70°C for 5 days and were then weighed to obtain the final weight, with the extruded debris. Weight of extruded debris was calculated by subtracting the initial weight from the final weight. Statistical analysis was performed using one-way analysis of variance and post hoc Tukey’s test. Result: For intergroup comparison, significant differences were found for the debris extruded. Instrumentation with hand K files resulted in significantly more debris extrusion apically as compared to other three NiTi groups. Maximum debris extrusion was seen by Hand K file, followed by group 2(Revo S), then group 4(Wave One) and least by group 3(Protaper Next). However, there was no significant difference in debris extrusion amongst groups prepared with either NiTi rotary or reciprocating file systems. Conclusion: The Pro Taper Next resulted in least debris extrusion when compared to Hand k file, reciprocating Wave One and rotary Revo S. However there was not a significant difference between all the NiTi rotary and reciprocating file system. Keywords: Apical extrusion debris; Hand k file, instrumentation; ProTaper Next, RevoS and WaveOne.

scholarly journals Quantitative evaluation of debris extruded apically using reciprocating versus continuous rotation single file with rotary and hand glide path file.

2019 ◽  
Vol S (1) ◽  
pp. 32-35
Author(s):  
Eman M. Yahya ◽  
◽  
Ali M. Al Naimi ◽  
Abduladheem R. Sulaiman ◽  
◽  
...  
Keyword(s):  
Root Canal ◽  
Apical Part ◽  
Negative Consequences ◽  
Group 4 ◽  
Glide Path ◽  
Continuous Rotation ◽  
Apical Extrusion ◽  
Significant Difference ◽  
Group 3 ◽  
Group 2

Chemomechanical root canal preparation (CMRCP) is an important step in root canal treatment. However, one of its negative consequences is apical extrusion of debris of the root canal system contributing to treatment failure and flare-ups. Glide path preparation (GPP) is the initial phase of CMRCP and is crucial for assessing root canal anatomy and establishing unobstructed access to the apical part of the canal. Materials and methods: Forty human mandibular permanent central and lateral incisors were selected; the debris collection apparatus was prepared and the teeth were then divided into four groups: Group 1: Rotary glide path preparation with ProGlider followed by instrumentation with Wave One files. Group 2: Rotary glide path preparation with ProGlider followed by instrumentation with One Shape files. Group 3: Hand glide path preparation with K-file followed by instrumentation with Wave One files. Group 4: Hand glide path preparation with K-file followed by instrumentation with One Shape files. The collected debris was weighed in an analytical digital balance and the collected data were statistically analyzed. Results: No significant difference was present between groups with the same method of glide path preparation or between Wave One and One Shape files. Rotary glide path preparation produced less debris than hand preparation (p≤0.05). Conclusions: Extrusion of debris was observed in all test groups. Rotary glide path preparation could be preferred in clinical practice as it is associated with less debris extrusion than the manual method.

scholarly journals Apical extrusion of debris by manual and mechanical instrumentation

2007 ◽  
Vol 18 (1) ◽  
pp. 16-19 ◽  
Author(s):  
Lilia E. Leonardi ◽  
Diana M. Atlas ◽  
Guillermo Raiden
Keyword(s):  
Root Canal ◽  
Significance Level ◽  
Root Canals ◽  
Group 4 ◽  
Apical Extrusion ◽  
Working Length ◽  
Significant Difference ◽  
Group 3 ◽  
Group 2 ◽  
Group 1

The aim of the present study was to assess the presence of apically extruded debris and evaluate the influence of canal curvature on the amount of debris produced by manual and mechanical techniques. Forty single-rooted mature teeth with 15 to 30 degree of root canal curvature were selected. The presence of only one foramen was confirmed using a magnifying lens. A size 15 K-file was placed up to the apical foramen to determine the patency. Working length was determined with the same instrument, 1 mm short of the foramen. According to the employed technique, the groups were labeled as follows: Group 1 - Manual instrumentation with Mor-flex files; Group 2 - Mechanical instrumentation with Cursor and Mor-flex files; Group 3 - Manual instrumentation with Flexi-cut files; Group 4 - Mechanical instrumentation with Cursor and Flexi-cut files. During instrumentation, the root canals were irrigated with 20 mL. Debris extruded through the apical foramen was collected using the Myers and Montgomery technique. The values (in mg) were: Group 1: 0.422 ± 0.683; Group 2: 0.688 ± 0.795; Group 3: 0.409 ± 0.323; Group 4: 0.810 ± 0.708. Data were analyzed statistically by ANOVA at 5% significance level. There was no statistically significant difference among the groups (p<0.05). No statistically significant differences were found between slight and moderate curvatures in terms of the amount of extruded debris (p>0.05).

scholarly journals Apical Extrusion of Debris during Root Canal Preparation with ProTaper Next, WaveOne Gold and Twisted Files

Materials ◽  
2021 ◽  
Vol 14 (21) ◽  
pp. 6254
Author(s):  
Wojciech Eliasz ◽  
Beata Czarnecka ◽  
Anna Surdacka
Keyword(s):  
Root Canal ◽  
Root Canal Preparation ◽  
Movement Kinematics ◽  
Liquid Component ◽  
Apical Extrusion ◽  
Working Length ◽  
Adaptive Motion ◽  
Group 3 ◽  
Group 2 ◽  
Group 1

(1) Background: Apical extrusion of debris is an example of a complication that may arise during root canal treatment, and it has been proven to be an unavoidable occurrence during endodontic treatment by numerous authors. Even though it may not hinder the long-term outcome of treatment, it may lead directly to increased levels of postoperative pain and, therefore, lower levels of patient acceptance and satisfaction. The aim of the study was to assess the weight of apically extruded debris during root canal preparation with instruments that use different movement kinematics (rotary, reciprocating, and adaptive motion); (2) Methods: The study was performed using the Myers and Montgomery model. Sixty human premolar teeth were inserted into preweighed Eppendorf tubes and randomly classified into three groups. After manual glide-path preparation, teeth in each group were instrumented to working length set 1 mm short of the anatomical apex using the standard sequence provided by the manufacturers (for Group 1: ProTaper Next X1 & X2; for Group 2: WaveOne Gold Primary, for Group 3: Twisted Files SM1-SM3). Root canals were irrigated with 1 mL of 0.9% NaCl solution between each file insertion. The tubes with collected debris were stored in an incubator at 70 °C for 5 days in order to evaporate the liquid component. Measurement of the weight of extruded debris was performed by subtracting the preinstrumentation from the postinstrumentation weight of the tubes. The results were analyzed with Kruskal–Wallis ANOVA, with significance level set at 0.05; (3) Results: The weight of extruded debris was 0.337 mg (SD = 0.148) for Group 1, 0.305 mg (SD = 0.201) for Group 2, and 0.348 mg (SD = 0.135) for Group 3. (4) Conclusions: Engine-driven root canal preparation with the use of instruments ProTaper Next, WaveOne Gold and Twisted Files that use different movement kinematics (rotary, reciprocating, and adaptive motion) was associated with apical extrusion of debris to a similar extent.

scholarly journals Effects of different glide path techniques on the amount of extruded debris and preparation times during root canal preparation

2020 ◽  
Vol 14 (3) ◽  
pp. 187-190
Author(s):  
Damla Kırıcı ◽  
Simay Koç ◽  
Alper Kuştarcı
Keyword(s):  
Root Canal ◽  
Root Canal Preparation ◽  
Root Canals ◽  
Glide Path ◽  
Working Length ◽  
Significant Difference ◽  
Molar Teeth ◽  
Group 3 ◽  
Group 2 ◽  
Post Hoc

Background.This study purposed to compare the effect of new single glide path files on extruded apical debris and total preparation times during root canal preparation with the WaveOne Gold system. Methods. Thirty-six extracted human lower molar teeth with mesiobuccal canal curvature angles of 25‒35° were randomly splited to three groups. In group 1, the glide path was created with WaveOne Gold Glider (WGG) file at working length (WL); in group 2, the glide path was created with ProGlider file (PG); in group 3, the glide path was not performed. In all the groups, the root canals were shaped with WaveOne Gold Primary (WOG) reciprocating files at WL. Apically extruded debris during instrumentation was picked up into pre-weighed Eppendorf tubes. The weight of the dry extruded debris was calculated by subtracting the pre- and post-instrumentation weights of the tubes in each group. The total time elapsed during the canal preparation was calculated with a chronometer. The data were analyzed using one-way ANOVA and post hoc Tukey tests. Results. The WGG/WOG group extruded significantly fewer debris than the WOG and PG/WOG groups (P<0.05). There was no significant difference between the WOG and PG/WOG groups (P>0.05). The WGG/WOG and PG/WOG groups were significantly faster than the WOG group. Conclusion. The amount of debris extruded apically significantly diminished when conventional WGG was implemented before using WOG. The total preparation time significantly diminished when the WOG file was used in combination with reciprocating and rotary glide path preparation techniques.

scholarly journals Apically extruded debris associated with ProTaper Next, ProTaper Gold and TruNatomy systems: An in vitro study

2021 ◽  
Vol 15 (1) ◽  
pp. 30-34
Author(s):  
Neslihan Yılmaz Çırakoglu ◽  
Yağız Özbay
Keyword(s):  
Root Canal ◽  
In Vitro Study ◽  
The Other ◽  
Root Canal Preparation ◽  
Root Canals ◽  
System P ◽  
Apical Extrusion ◽  
Significant Difference ◽  
Final Weight

Background. This research aimed to investigate and compare the amount of apically extruded debris after root canal preparation using ProTaper Next, ProTaper Gold, and TruNatomy systems. Methods. Forty-five extracted mandibular premolar teeth with single canals with similar lengths were used. The root canals were prepared using ProTaper Next (Dentsply Maillefer, Ballaigues, Switzerland), ProTaper Gold (Dentsply Maillefer, Ballaigues, Switzerland), or TruNatomy (Dentsply Maillefer, Ballaigues, Switzerland) files. Apically extruded debris during preparation was gathered into preweighed Eppendorf tubes. Then the Eppendorf tubes were incubated at 70°C for five days. The Eppendorf tubes were weighed again to determine their final weight plus the extruded debris. Results. The TRN system resulted in significantly less debris extrusion than the PTN system (P<0.05). There was no significant difference between the PTN and PTG groups and between the PTG and TRN groups (P>0.05). Conclusion. All the instrumentation systems caused apical extrusion of debris. However, the TRN system resulted in significantly less debris extrusion than the other systems.

scholarly journals Comparing the effect of Reciproc R25 rotary file system on the amount of apical extrusion of debris via using it with different reciprocal angles

2021 ◽  
Vol 11 (Suppl. 1) ◽  
pp. 63-66
Author(s):  
Nezif Çelik ◽  
Sadullah Kaya ◽  
Özkan Adıgüzel
Keyword(s):  
File System ◽  
Native Speakers ◽  
Single Root ◽  
Apical Extrusion ◽  
Working Length ◽  
Significant Difference ◽  
Native Speakers Of English ◽  
Group 3 ◽  
Group 2 ◽  
Group 1

Aim: To compare the amount of apically extruded debris using Reciproc (R25) file with different reciprocal angles. Methodology: In this research, 60 extracted mandibular premolars with a single root, a single canal, and a single apical foramen were used. Specimens, the working length of which was determined by a stainless steel 10-K file, were randomly distributed into three experimental groups (n = 20) as follows: Group 1 150° counterclockwise (CCW)-30° clockwise (CW); Group 2 180° CCW-60° CW; and Group 3 210° CCW-90° CW. For the irrigation, 10 mL of distilled water was administered via syringe pump. The extruded debris was collected into Eppendorf tubes tared in advance. The distribution of data was analyzed using a Shapiro-Wilk test. A Kruskal-Wallis H test was used for statistical analysis. The null hypothesis is no significant difference between the groups in terms of the amount of apical extrusion of debris. Results: There was no statistically significant difference between the groups with regard to amount of apical extrusion of debris (p>0.05). Nevertheless, the highest average amount of extrusion of debris was detected in group 1, and the lowest in group 3. Conclusion: According to the results of this study, different reciprocal angles during chemomechanical preparation has no significant effect on the amount of apical extrusion of debris.   How to cite this article: Çelik N, Kaya S, Adıgüzel Ö. Comparing the effect of Reciproc R25 rotary file system on the amount of apical extrusion of debris via using it with different reciprocal angles. Int Dent Res 2021;11(Suppl.1):63-6. https://doi.org/10.5577/intdentres.2021.vol11.suppl1.10   Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

scholarly journals Comparative evaluation of various endodontic irrigants on apical extrusion of debris

2013 ◽  
Vol 60 (3) ◽  
pp. 119-123
Author(s):  
Sameer Makkar ◽  
Simranjeet Kaur
Keyword(s):  
Sodium Hypochlorite ◽  
Test Results ◽  
Root Canal Preparation ◽  
Root Canals ◽  
Tukey Test ◽  
Group 4 ◽  
Apical Extrusion ◽  
Group 3 ◽  
Group 2 ◽  
Group 1

Introduction. All techniques and instruments used to clean and shape canals produce some amount of apically extruded debris. The type of irrigant can affect the amount of apically extruded debris. The aim of the present study was to quantitatively compare the amount of debris extruded apically from root canals when three different irrigants were used during canal preparation with hand instruments. Material and Methods. Twenty extracted single-rooted human mandibular premolars with straight root canals were used. The teeth were randomly divided into 4 groups based on the irrigant used: Group 1: Biopure MTAD (Dentsply), Group 2: 3% NaOCl (Prima Dentalproducts), Group 3: 2% Chlorhexidine (Vishal Industries, Gujarat), Group 4: Control (no irrigation). Debris extruded through apical foramen during root canal preparation was collected into pre weighed empty guttapercha tubes. The weight of dry extruded debris was calculated by subtracting the preinstrumentation and postinstrumentation weight for each group. Obtained data was analyzed using one-way analysis of variance and Tukey test. Results. Group 2 (3% sodium hypochlorite) had the greatest amount of extruded debris which was significantly different from other groups (p<0.05). Conclusion. The type of used irrigant can affect the amount of apically extruded debris. Sodium hypochlorite in the concentration of 3% showed the greatest amount of extruded debris.

In-vivo evaluation of the effect of cyanoacrylate on prosthetic vascular graft infection – does cyanoacrylate increase the severity of infection?

VASA ◽  
2020 ◽  
Vol 49 (4) ◽  
pp. 281-284
Author(s):  
Atıf Yolgosteren ◽  
Gencehan Kumtepe ◽  
Melda Payaslioglu ◽  
Cuneyt Ozakin
Keyword(s):  
Vascular Graft ◽  
Graft Infection ◽  
Vascular Graft Infection ◽  
Group 4 ◽  
Significant Difference ◽  
Group 3 ◽  
Group 2 ◽  
Prosthetic Vascular Graft Infection ◽  
Group 1

Summary. Background: Prosthetic vascular graft infection (PVGI) is a complication with high mortality. Cyanoacrylate (CA) is an adhesive which has been used in a number of surgical procedures. In this in-vivo study, we aimed to evaluate the relationship between PVGI and CA. Materials and methods: Thirty-two rats were equally divided into four groups. Pouch was formed on back of rats until deep fascia. In group 1, vascular graft with polyethyleneterephthalate (PET) was placed into pouch. In group 2, MRSA strain with a density of 1 ml 0.5 MacFarland was injected into pouch. In group 3, 1 cm 2 vascular graft with PET piece was placed into pouch and MRSA strain with a density of 1 ml 0.5 MacFarland was injected. In group 4, 1 cm 2 vascular graft with PET piece impregnated with N-butyl cyanoacrylate-based adhesive was placed and MRSA strain with a density of 1 ml 0.5 MacFarland was injected. All rats were scarified in 96th hour, culture samples were taken where intervention was performed and were evaluated microbiologically. Bacteria reproducing in each group were numerically evaluated based on colony-forming unit (CFU/ml) and compared by taking their average. Results: MRSA reproduction of 0 CFU/ml in group 1, of 1410 CFU/ml in group 2, of 180 200 CFU/ml in group 3 and of 625 300 CFU/ml in group 4 was present. A statistically significant difference was present between group 1 and group 4 (p < 0.01), between group 2 and group 4 (p < 0.01), between group 3 and group 4 (p < 0.05). In terms of reproduction, no statistically significant difference was found in group 1, group 2, group 3 in themselves. Conclusions: We observed that the rate of infection increased in the cyanoacyrylate group where cyanoacrylate was used. We think that surgeon should be more careful in using CA in vascular surgery.

scholarly journals Microleakage beneath Ceramic and Metal Brackets Bonded with a Conventional and an Antibacterial Adhesive System

2006 ◽  
Vol 76 (6) ◽  
pp. 1028-1034 ◽  
Author(s):  
Neslihan Arhun ◽  
Ayca Arman ◽  
Sevi Burçak Çehreli ◽  
Serdar Arıkan ◽  
Erdem Karabulut ◽  
...  
Keyword(s):  
Adhesive System ◽  
White Spot Lesions ◽  
Adhesive Interface ◽  
Group 4 ◽  
Significant Difference ◽  
Ceramic Brackets ◽  
Group 3 ◽  
Group 2 ◽  
Ceramic Bracket ◽  
Nail Varnish

Abstract Objective: To assess microleakage of a tooth-adhesive-bracket complex when metal or ceramic brackets were bonded with a conventional and an antibacterial self-etching adhesive. Materials and Methods: Forty freshly extracted human premolars were randomly assigned to four equal groups and received the following treatments: group 1 = Transbond XT + metal bracket, group 2 = Transbond XT + ceramic bracket, group 3 = Clearfil Protect Bond + ceramic bracket, and group 4 = Clearfil Protect Bond + metal bracket. After photopolymerization, the teeth were kept in distilled water for 1 month and thereafter subjected to thermal cycling (500 cycles). Specimens were further sealed with nail varnish, stained with 0.5% basic fuchsin for 24 hours, sectioned and examined under a stereomicroscope, and scored for marginal microleakage for the adhesive-tooth and bracket-adhesive interfaces from incisal and gingival margins. Statistical analysis was accomplished by Kruskal-Wallis test and Mann-Whitney U-test with Bonferroni correction. Results: All groups demonstrated microleakage between the adhesive-enamel and bracket-adhesive interfaces. A significant difference was observed among all groups (P &lt; .05) for the microleakage between the bracket-adhesive interface. Metal brackets exhibited significantly more microleakage than did ceramic brackets between the bracket-adhesive interface with either of the adhesives. Clearfil Protect Bond exhibited results similar to Transbond XT. Clearfil Protect Bond may be a choice of adhesive in bracket bonding because of its antibacterial activity and similar microleakage results with the orthodontic adhesive. Conclusions: Metal brackets cause more leakage between an adhesive-bracket interface, which may lead to lower clinical shear bond strength and white-spot lesions.

scholarly journals Comparison of cyclic fatigue of a reciprocating file system at different angles of rotation

2021 ◽  
Vol 11 (Suppl. 1) ◽  
pp. 67-73
Author(s):  
Ahmet Akay ◽  
Özkan Adıgüzel ◽  
Seda Erkan Akay ◽  
Sadullah Kaya
Keyword(s):  
Analysis Of Variance ◽  
Fatigue Resistance ◽  
File System ◽  
Cyclic Fatigue ◽  
Curvature Radius ◽  
Two Samples ◽  
Significant Difference ◽  
Group 3 ◽  
Group 2 ◽  
Group 1

Aim: The purpose of this in vitro study is to compare the cyclic fatigue resistance of Reciproc Nickel-Titanium (Ni-Ti) rotary files while operating root canals using in three different reciprocal angles. Methodology: Forty-five pieces of Reciproc R25 canal files were tested using artificial canals with a 60° angle of curvature, 5 mm curvature radius, and 1.5 mm diameter carved into a stainless steel block. The Ni-Ti files were checked with a stereomicroscope and then randomly separated into 3 groups. Group 1 consisted of reciprocal angles CCW 150°–CW 30°, Group 2 consisted of CCW 180°–CW 60°, and Group 3 consisted of CCW 210°–CW 90°. The duration of the cyclic fatigue being measured, elapsed time until a file fractured was determined with a chronometer. The lengths of the fractured pieces were measured with a digital caliper. After the cyclic fatigue test, two samples from each group were examined with a Scanning Electron Microscope (SEM) to determine the signs of cyclic fatigue. Results: One-way analysis of variance (ANOVA) was applied to the normally distributed groups (p<0,05). Since there was a significant statistical difference of file’s cyclic fatigue resistance (p=0,001) between the groups, Tukey’s honestly significant difference (HSD) post-hoc pairwise comparison test were used for determine to between which groups. While there were statistically significant differences between Group 1 and Group 2 (p=0,001), and between Group 1 and Group 3 (p=0,001), there was no significant difference between Group 2 and Group 3 (p=0,376). Group 1 displayed the highest resistance to cyclic fatigue. There were no statistically significant differences between the lengths of the fractured files within the three groups according to the one-way analysis of variance (p=0,847). Conclusion: In our study, it was observed that the reciprocal angles of CCW 150°–CW 30°, which were also suggested by the file manufacturer firms, had the highest fracture resistance against cyclic fatigue.   How to cite this article: Akay A, Adıgüzel Ö, Erkan Akay S, Kaya S. Comparison of cyclic fatigue of a reciprocating file system at different angles of rotation. Int Dent Res 2021;11(Suppl.1):67-72. https://doi.org/10.5577/intdentres.2021.vol11.suppl1.11   Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.  

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