In Vitro comparison of the microbial leakage of obturation systems: Epiphany with resilon, guttaflow, and ah plus with gutta percha.

AIM: To compare the microbial leakage of three root canal filling materials: AH Plus with Gutta-percha, Epiphany with Resilon, and Guttaflow using Enterococcus faecalis as the bacterial marker. MATERIALS AND METHODS: In total, 30 caries free, human maxillary incisors with straight roots were used. The teeth were de-coronated with a diamond disc and the length was standardized for all specimens. Access opening was done through the coronal portion and the working length was determined. All the teeth were prepared to a standardized size apically and coronally. The teeth were then randomly divided into three experimental groups each. After obturation of the root canals, the outer surfaces of the teeth were coated with two layers of nail enamel except the apical 2 mm. The teeth were then subjected for bacterial leakage test using E. faecalis as a bacterial marker in dual chamber bacterial leakage model for a period of 30 days. STATISTICAL ANALYSIS USED: Chi-square test. RESULTS: Results showed that Resilon/Epiphany (Group-2) demonstrated less leakage and Gutta-percha/AH Plus (Group-1) showed maximum leakage with the statistically significant difference between the two (P < 0.05). Guttaflow (Group-3) also showed less leakage than Gutta-percha/AH Plus (Group-1) with the statistically significant difference between the two (P < 0.05). There was no statistically significant difference between Resilon/Epiphany (Group-2) and Guttaflow (Group-3). CONCLUSION: Resilon/Epiphany and Guttaflow groups demonstrated less microbial leakage than Gutta-percha/AH Plus group.

An In Vitro Evaluation of Apical Leakage in Gutta-percha/ AH Plus and Resilon/Epiphany-filled Root Canals Using Two Dye Penetration Techniques.

AIM: Aim of the present study was to evaluate the apical leakage in gutta-percha/AH plus and resilon/epiphany filled root canals using two dye penetration techniques. MATERIALS AND METHODS: Sixty freshly extracted human single-rooted teeth were collected. The crown portion of each tooth was sectioned from the cementoenamel junction using a diamond disk. The canals were instrumented using Step back technique up to a caliber of 40. The roots were randomly divided into four experimental groups of 15 sample units each. All the groups are obturated using lateral compaction technique. Samples were placed in India ink and stored in an incubator for 7 days after which they were thoroughly washed under tap water and dried. The roots were divided into longitudinal splitting technique with diamond disks and using clearing technique was checked for linear dye penetration using stereomicroscope. The surfaces were scanned and surfaces with greatest dye penetration were measured by using De winter Biowizard software system. RESULTS: The mean leakage for groups I, II, III, and IV are 2.31980, 2.68140, 4.11567, and 4.21047 respectively. One-way ANOVA was applied to the mean leakage scores of different groups, found a significant difference between mean leakage scores. F value of 3.266 and it was found to be significant with a p value of 0.028. Significant differences were obtained for mean comparisons of groups I and III, groups I and IV and groups III and IV. Further, between groups I and II, groups II and III, and groups III and IV no significant differences were observed. CONCLUSION: In conclusion, gutta-percha/AH Plus sealed root canals showed lesser leakage than the Resilon Epiphany groups and there was no significant difference in the two different methodologies used for dye penetration. CLINICAL SIGNIFICANCE: Tightly adapted endodontic filling material is one of the goals in successful clinical endodontics and Improvements in the adhesive technology have fostered attempts to reduce apical and coronal leakage by bonding to the root canal walls to obtain a solid monoblock.

An in-vitro comparative study for assessment of apical sealing ability of Epiphany/AH Plus sealer with Resilon/gutta-percha root canal filling materials.

AIMS AND OBJECTIVES: Endodontic treatment is directed to eliminate microbial challenges from the root canal system and to create a complete seal. The aim of this study was to assess the apical sealing ability of resin-based Epiphany-Resilon root canal filling system and to compare it with the sealing abilities of different combinations of AH Plus, gutta-percha, Epiphany, and Resilon. MATERIALS AND METHODS: One hundred extracted human maxillary incisor roots were treated endodontically. The samples were divided into groups A, B, C, and D, with each group containing 25 samples. Group A: Canals obturated with gutta-percha and AH Plus sealer; Group B: Canals obturated with Resilon and Epiphany; Group C: Canals obturated with gutta-percha and Epiphany; Group D: Control group canals obturated with gutta-percha without a sealer. The sealing ability of each of the obturation techniques was tested using the dye penetration method followed by the clearing method using alcohol. Stereo microscope was used to measure the extent of dye penetration. Statistical data analysis was performed using analysis of variance and Tukey tests. RESULTS: Microleakage was found in all the four groups. Apical extent of mean microleakage was maximum for gutta-percha, followed by Gutta-percha + AH-plus and Gutta-percha + Epiphany, and the least with Resilon + Epiphany. Statistically significant difference (P < 0.01) was seen in the apical leakage. CONCLUSION: All the samples tested showed microleakage. The "Epiphany soft resin endodontic obturation system" showed a superior result compared to other obturation materials.

Apical sealing ability of resilon/epiphany system.

BACKGROUND: Endodontic leakage research focus mainly on the quality of the apical seal of the root canal system and the newly introduced resilon/epiphany system claim to be superior to Gutta-percha in respect to obturation procedure. The aim of this study is to evaluate the root canal obturation completed by resilon/epiphany system. MATERIALS AND METHODS: A total of 42 teeth were selected and were divided into four groups. Two experimental groups consisted of 15 teeth each and positive control group consisted of eight teeth and negative control group consisted of four teeth. In the experimental groups, Group 1 was obturated with resilon/epiphany system and Group 2 was obturated with Gutta-percha and endofil sealer by lateral condensation technique. The teeth were then immersed in Methelene blue solution and were split longitudinally to access the amount of dye penetrated in the canal. The specimens were viewed under scanning electron microscope to evaluate the adhesion of the obturating material to the root canal walls. Data was subjected to statistical analysis by Analysis of Variance and Bonferroni multiple comparison test at 1% level of significance. RESULTS: The resilon/epiphany system showed better adaptation to the root canal walls, but the difference in dye penetration was not statistically significant when compared to specimens obturated with Gutta-percha and endofil sealer. CONCLUSION: Although, there was no statistically significant difference between the groups, but resilon/epiphany system showed better adaptation to the root canal walls.

The Effect of Time of Post Space Preparation on the Seal and Adaptation of Resilon-Epiphany Se & Gutta-percha-AH Plus Sealer- An Sem Study.

BACKGROUND: The field of endodontics is dynamic & ever expanding. With the availability of a wide array of products in the dental market it's an absolute necessity to evaluate their efficiency before including them into routine clinical practice.Hence, the purpose of this study is to evaluate the effect of immediate & delayed post space preparation & sealing ability of new root canal filling material & sealers. AIM: The effect of time of post space preparation on the seal and adaptation of Resilon-Epiphany Se & Gutta-percha-AH Plus Sealer - An SEM study. SETTINGS AND DESIGN: Eighty extracted permanent maxillary central and lateral incisors selected for the study were decoronated. Roots canals were prepared and obturated. MATERIALS AND METHODS: Samples were divided into four groups depending on the time of post, space, preparation and obturated material.GROUP I & II: Immediate and Delayed post space preparation respectively with Gutta-percha / AH Plus as obturating material. GROUP III & IV Immediate and Delayed post space preparation with Resilon / Epiphany as the obturating material. The samples were sectioned, then measured and studied by Scanning Electron Microscope. RESULTS: There was a significant difference found between immediate and delayed post space preparation in resilon -epiphany group (p<0.001). Similarly significant difference was seen between immediate and delayed post space preparation in AH Plus-GP group (p<0.001). Difference in the adaptation of the two materials was seen in the delayed group (p = 0.030) but the immediate group showed no signifcant difference (p =0.971). CONCLUSION: Within the limitations of this study, immediate post space preparation shows less leakage in both the groups. Resilon-Epiphany shows better results when post space is delayed amongst the two whereas in immediate post space preparation there is no significant difference.

Evaluation of immediate and delayed post space preparation on sealing ability of Resilon-Epiphany and Gutta percha-AH plus sealer.

AIM: To evaluate the influence of immediate and delayed post space preparation on sealing ability of Resilon-Epiphany and Gutta percha-AH plus. MATERIALS AND METHODS: Eighty extracted permanent maxillary central and lateral incisors were decoronated. Roots canals were prepared and obturated. Samples were divided into four groups depending on the time of post space preparation and obturated material. Group I and II: Immediate and delayed post space preparation respectively with Gutta percha/AH plus as obturating material. Group III and IV: Immediate and delayed post space preparation with Resilon/Epiphany as the obturating material. The samples were kept in methylene blue dye, sectioned and then measured under stereomicroscope and studied under SEM. STATISTICAL ANALYSIS: The data was subjected to statistical analysis using unpaired t-test. RESULTS: There was significant difference found between immediate and delayed post space preparation in Resilon-Epiphany group (P = 0.0109) as well as in AH plus-GP group (<0.0001). Difference in the sealing ability of the two materials was seen in delayed group (P = 0.0202). No statistically significant result was found between the two obturating materials when post space was prepared immediately (P = 0.0875). CONCLUSION: Within the limitations of this study, there was significantly less leakage when post space is prepared immediately in both the groups. Resilon-Epiphany shows better results when post space is delayed amongst the two whereas in immediate post space preparation there is no significant difference.

The effect of calcium hydroxide on the bond strength of resilon/epiphany self-etch and assessment of calcium hydroxide removal techniques: an ex-vivo study.

OBJECTIVE: Calcium hydroxide is the most widely used intracanal medicament in endodontics, which should be removed prior to permanent root canal filling to minimize its intervention with the bonding of endodontic sealers. This ex-vivo study aimed to evaluate the effect of pretreatment with calcium hydroxide on the bond strength of Resilon/Epiphany self etch (SE) to the radicular dentin after removing the calcium hydroxide by hand file or ultrasonic methods. MATERIALS AND METHODS: Thirty-six single-rooted human extracted teeth were used in this study. After root canal preparation, the teeth were divided into three groups. In group 1, as the control, no pretreatment was performed; while in groups 2 and 3, this was carried out using calcium hydroxide paste. After one week, the paste was removed with hand stainless steel K-files in group 2 and ultrasonic instrumentation in group 3. All samples were obturated with Resilon/Epiphany SE. One-millimeter slices of mid-root dentin were prepared for the push-out test (14 slices per group). After the bond strength was assessed, the failure modes were examined. The data were analyzed using one-way ANOVA and Dunnett Post Hoc tests. RESULTS: Group 2 significantly showed the lowest bond strength (0.947 ± 0.47) (P = 0.01). No significant differences were found between the control group (2.32 ± 1.43) and group 3 (1.78 ± 1.04) (P = 0.01). CONCLUSIONS: Under the conditions of this ex vivo study, calcium hydroxide as the intracanal medicament and its removal using hand instrumentation adversely affected the bond strength of Resilon/Epiphany SE.

Revisão sistemática sobre a capacidade de selamento apical do Resilon/Epiphany® e da guta-percha/cimento / Systematic review about capacity of Resilon/Epiphany® and gutta-percha/cement to seal the apex of the root canal

Ao se obturar o sistema de canais radiculares, deseja-se que o material obturador apresente, entre suas propriedades, biocompatibilidade, selamento e que seja estável dimensionalmente. Sabe-se que, tanto da região apical como da coronária, fluidos e micro-organismos fluem, o que pode ocasionar uma contaminação do canal radicular ou então servir de nutriente para as bactérias que possam ter ficado após o preparo químico-mecânico, levando-se, assim, ao insucesso do tratamento endodôntico. Os materiais e métodos usados para execução da obturação têm sido amplamente estudados a fim de se conseguirem os melhores resultados, o que ainda representa um grande desafio na Endodontia. O objetivo desta revisão sistemática foi avaliar os estudos comparativos entre o sistema obturador de canais radiculares Resilon/Epiphany® e a guta-percha/cimento, apontando qual deles apresentou melhor capacidade seladora. Os resultados mostraram que, em se tratando de selamento apical, o Resilon/Epiphany® pode substituir a associação guta-percha/cimento. Contudo, estudos comparativos das outras propriedades desse sistema obturador são imprescindíveis.

During the obturation procedure of the root canals system is important that the filling substance presents among its qualities biocompatibility, sealing and that it can be dimensionally stable. There is a flow of fluids and microorganisms in the apical and coronary area, that can cause the contamination of the root canal or serve as nutriment to bacteria that can have remains after chemical and mechanical preparation, this situation will lead to failure to the endodontic treatment. The materials and methods used to the execution of obturation have been largely studied in order to get better results, what still representing a great challenge in Endodontics. The main purpose of this research was to evaluate the comparative studies between the obturator system of root canals Resilon/Epiphany® and the gutta-percha/cement, pointing which of them presents best sealing capacity. The results showed that, concerning to apical sealing, Resilon/Epiphany® can substitute the association of gutta/percha convention, however comparative studies of other qualities of the system filled are indispensable.

An in vitro comparative evaluation of fracture resistance of endodontically treated teeth obturated with different materials.

The aim of this study was to evaluate the in vitro effect of various obturating materials on fracture resistance of root canal treated teeth. Sixty freshly extracted human mandibular premolars were used. After standardizing the length to 13 mm, the teeth were biomechanically prepared and divided into four groups based on type of obturating materials used. Teeth were embedded in acrylic resin and fracture strength was measured using a universal testing machine. Data obtained was evaluated statistically using one-way ANOVA and the unpaired t-test. Teeth obturated with AH Plus and gutta percha showed higher fracture resistance than those obturated with Resilon-Epiphany. The results suggested that the group obturated with gutta percha and zinc oxide-eugenol sealer had the lowest fracture resistance. No statistically significant difference was found between the unobturated (control) group and the zinc oxide-eugenol group.