2-step chemical cleaning allows enhanced removal of polymeric residues from the surface of graphene, leading to significantly improved electrical and morphological properties.
Bioceramics are materials which include Alumina, Zirconia, Bioactive glass, Glass ceramics, Hydroxy apatite, resorbable calcium phosphate. They have been used in dentistry as root repair materials, apicall filling materials, perforation sealing, for filling up bony defects, as endodontic sealers and as aids in regeneration. They have similarity to hydroxyapatite, an intrinsic Osteo conductive activity and have an ability to induce regenerative responses in the human body. This review focuses on overview of bio ceramics, classification and their advantages. It also gives a detailed insight into individual bio ceramic materials currently used in the field of endodontics along with their properties and applications.
Aims: Aim is to evaluate the clinical and radiographic outcome of Intentional Replantation of teeth utilizing Atraumatic extraction technique and Biodentin as root end restorative material Materials and Methods: Any patients irrespective of age & sex who reported to the Department of Conservative Dentistry & Endodontics, D. J. College of Dental Sciences & Research with the post endodontic treatment periapical pathology where orthograde retreatment and apical surgery was unfeasible or declined by patients and where extraction be the last resort was selected for the procedure. Informed consent was taken. Retention and healed status without complications (periapical radiolucency, external root resorption, ankylosis, signs/symptoms, probing <6 mm) was recorded and analyzed with Kaplan-Meier survival analysis and Cox proportional hazard regression model (P < .05). Bivariate associations of the investigated variables with the main complications (ankylosis, periapical radiolucency, external root resorption) evaluated. Results: Cumulative healed rates from 60% at 6 months to 92% at 12months seen. Complications leading to extraction observed in 1 of 15 attending teeth. The Kaplan-Meier survival function suggested an expected 1-year cumulative retention rate of 92%. Among the 15 teeth, 1 tooth with complication was due to persistent periapical radiolucency and mobility. Null hypothesis was that IR is to preserve the natural dentition, there by upholding the main goal of Conservative treatment. Conclusions: Within the limitations of this study, after analyzing the results and obtaining a complete follow up of 12 months radiographically and clinically, it can be concluded that Intentional replantation is an alternative treatment and should be included in the savior procedures as it has shown a success rate of 92%. Keywords: endodontic complications, intentional replantation, physics forceps, Biodentin
The main goal of endodontic treatment should be to focus on the predictable elimination of microorganisms from the root canal system. Irrigation has become a critical component of adequate root canal treatment. To obtain the goal of safe and effective irrigation methods this article review is to give a brief idea about irrigation devices and recent methods of irrigation. The irrigation process is often dismissed during endodontic treatment, must not be overlooked. It is one of the major keys of success for endodontic treatment.
The main goal of endodontic retreatment is cleaning and shaping of the root canal with removal of old root filling material. Hand instruments and rotary instruments are mainly used for removing this filling material; as hand instruments are time consuming and tedious so we used rotary instrumentation for removal of gutta percha. The main aim of this study is to compare the relative efficacy of three different NI TI rotary instrumentation systems for removal of gutta-percha from root canal during endodontic retreatment. Materials and Methods: Sixty freshly extracted, single-rooted human anterior teeth were instrumented with K-files, and each root canal was filled with gutta-percha and AH Plus (Dentsply Detrey, Konstanz, Germany) sealer using lateral compaction. Specimens were then divided into three experimental groups with ten specimens each. The removal of gutta-percha was performed using Pro-Taper retreatment files, Mtwo retreatment files, and Edge file XR. The amount of root canal filling material remnant in the coronal, middle and apical thirds was measured using stereomicroscope. Result: The data was evaluated statistically using analysis of variance. Pro-Taper group was found to have less remnant filling material as compared to the other groups in coronal and middle thirds, but a significant difference was observed between edge file XR and Mtwo. Conclusions: It was concluded that EDGE FILE XR, rotary retreatment system proved to be the most efficient method of removing gutta-percha and sealer in comparison to the other two retreatment files and M-TWO retreatment files required less time to remove root filling material than the other instruments.
Evidences as well as outcomes proved that the progress of self-consolidating concrete is comprehensive benchmark in the construction area. Due to its highly beneficial characteristics, self-consolidating concrete is eminently preferred and widely used all around the Globe. Self-consolidating concrete is that inventive concrete which does not need any assistance of vibration by any means in order for its placement and compaction. Its ability to flow under its self-weight allows complete filling formwork. Hence, successful results to attain full compaction, even in the existence of clogged reinforcement. Intension of this research paper is to put light on the fresh properties of hybrid fibre reinforced self-consolidating concrete (HFRSCC)such as T50cm, L-box, spread flow, V-funnel and properties of hardened like compressive strength, flexural strength and ultra-sonic pulse velocity at the period of 7 and 28 days. The properties of hardened HFRSCC is greatly improved by the process of addition of fibres.
Objectives: The aim of this study was to evaluate the clinical performance of a nano filled flowable and nano hybrid bulk fill resin composite in class I restorations. Methods and Materials: Twenty patients were selected for this in vivo study. Each patient received at least one pair of restorations, restored with nano hybrid bulk fill resin composite (IPS Empress direct [IED]) and nano hybrid Tetric N Ceram flowable composite [TNC]. Each restorative resin system was used with its respective adhesive system according to manufacturers’ instructions. A total of 40 class I restorations were placed by one operator. Restorations were blindly evaluated by two examiners at baseline and 3, 6, and 12 months respectively using modified US Public Health Service Ryge criteria. The data obtained was statistically analyzed using Chi square test to compare the two restorative materials for each category. Results: At 3, 6 and 12, months, recall rate was 100%, 95% and 85%, respectively, with a retention rate of 100%. There were statistically significant differences between the two restorative resins in terms of marginal adaptation and marginal discoloration (p<0.05). No differences were observed between the restorative resins in terms of retention (p<0.05). None of the restorations showed postoperative sensitivity, or loss of anatomic form. Conclusion: Within the limitations of this study, nano hybrid bulk fill composite resin viz. IPS EMPRESS DIRECT showed better clinical performance than nano filled flowable composite in terms of marginal discoloration and marginal adaptation. Keywords: direct composite, bulk, hybrid filled resin
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