Background: The present study compares the apical microleakage of three different root-end filling materials in which the retrograde cavity is prepared by two different burs. Methods: Eighty extracted single rooted maxillary and mandibular premolars were taken. Root canal treatment was completed. Apical 3 mm of all the teeth were resected with diamond disk. The tooth were divided into four groups with two subgroups for each group containing 10 tooth (N = 10) as: Group IA (Negative Control and IB (Positive Control); Group IIA and IIB: Prepared with round carbide bur and round diamond bur respectively, filled with GIC; Group IIIA and IIIB: Prepared with round carbide bur and round diamond bur respectively, filled with MTA; Group IVA and IVB: Prepared with round carbide bur and round diamond bur, filled with Biodentine. After applying two coats of nail varnish leaving apical 3 mm (except for negative control group) all teeth were immersed in 2% methylene blue for 3 days and again in 65% nitric acid for next 3 days for extraction of dye. The obtained solution was then transferred to eppendorf tube and centrifuged in microcentrifuges at 14,000 revolution per minutes (RPM) for 5 min. Optical density or absorbance of the supernatant solution was measured with UV spectrophotometer at 550 nm. Results: The absorbance of the supernatant solution after dye extraction is decreasing in the order of positive control> GIC > MTA > Biodentine> negative control group. The significant difference was observed between GIC and MTA (p = 0.0001) and GIC and Biodentine (p = 0.0001) with two different burs but statistically non-significant difference was observed between MTA and Biodentine with Carbide bur (p = 0.127) and Diamond bur (p = 0.496) respectively. Conclusions: Within the limitations of the present study, it can be concluded that Biodentine and MTA showed less microleakage as compared to GIC. There is no significant difference between mean microleakage of MTA and Biodentine. However, the mean OD of the Biodentine was least of all evaluated materials. Preparation of the rootend using round carbide bur as well as round diamond burs showed comparable microleakage for all three filling materials.

Introduction: Endodontics is specialty field, but the majority of endodontic treatment in Pokhara is provided by the general dental practitioners. The aim of this study was to assess the practice of endodontic treatment protocols among general dental practitioners in Pokhara, Nepal. Materials and Methods: A cross sectional questionnaire based study was conducted among all the general dental practitioners working in various government, private hospital and clinic of Pokhara. Information about the materials and techniques used in endodontic treatment was collected and descriptive statistical analysis was done. Results: Out of 89 respondents, only 82 completely filled the questionnaires which were included in the study. Most general dental practitioners (96.34%) regularly treat single rooted endodontic cases. Only 10.97% occasionally use rubber dam during endodontic treatment. Most general dental practitioners (96.34%) used radiographic technique for working length determination. Ninety two percent used stainless steel hand files and step back was the choice of technique by 90.24%. Sodium hypochlorite irrigation and calcium hydroxide intra canal medicaments were used by 93.9% and 98.78% of general dental practitioners respectively. 75.6% used zinc oxide eugenol as root canal sealer and 95.12% obturated root canals with lateral compaction technique. The common complication encountered was mid treatment pain. They seem to overuse antibiotics in cases requiring endodontic therapy. Only 52.43% used autoclave for sterilization of endodontic files. About 92.68% felt the need of further endodontic training and 74.39% preferred post graduate program. Conclusion: This study indicates that many general dental practitioners of Pokhara are not following well acknowledged endodontic quality guidelines; hence there is a need for further endodontic training.

Introduction: Endodontics is the study of prevention, diagnosis and treatment of diseases or injuries to the dental pulp. The ultimate goal of modern dental care is tooth preservation and root canal therapy/treatment is an available therapeutic strategy to retain teeth. The aim of the study is to find the prevalence of patients visiting a tertiary care center who had endodontic indications. Methods: A descriptive cross-sectional study was conducted over one year from April 15, 2020, to February 15, 2021 at a tertiary care hospital. The ethical approval was obtained from the Institutional Review Committee of Nobel Medical College (Reference number: 409/2020). Convenience sampling method was used. The patients admitted for alcohol use and related problems in the Psychiatry Department, Nobel Medical College Teaching Hospital, Biratnagar were included. Data entry was done using Microsoft Excel and statistical analysis was done by using Statistical Packages of Social Sciences Version 16.0. Point estimate at 95% Confidence Interval was calculated along with frequency and percentage. Results: Out of 1740 patients, 516 (29.66%) (95% Confidence Interval= 21.46% - 27.51%) had endodontic indications. Symptomatic irreversible pulpitis 306 (59.30%) was the most prevalent pulpal disease. Maxillary teeth 300 (58.13%) had more endodontic diseases. While in individual dental elements most affected by endodontic diseases was the mandibular molar teeth 149 (28.87%). Females 348 (67.44%) were predominant for demanding endodontic management than males 168 (32.5%). Conclusions: More female patients and of younger age group in this study population demanded endodontic treatment. Irreversible pulpitis was responsible for the majority of the cases treated and more affected were the posterior teeth

Introduction: A study of dental diseases amongst patients attending dental outpatient department (OPD) helps us plan a preventive, and/or a definitive dental treatment.Objectives: To find out the distribution of dental diseases amongst patients visiting dental OPD at College of Dental Surgery, Gandaki Medical College (GMC), Pokhara, Nepal.Methods: The present study was a hospital based cross sectional descriptive study carried out during a period of one year extending from 1st February 2016 to 31st January 2017. A total of 3052 patients attending the dental OPD were included in the study. The distribution of dental diseases according to sex, age and diagnosis were collected and analyzed. Additionally, frequency distribution of treatments provided to the patients was observed.Results: Dental caries was the most prevalent dental disease (64.41%) followed by gingivitis (13.04%). The prevalence of dental caries was significantly higher in females (Females 56.91% vs. males 43.08%, P <0.05). Conversely, the prevalence of maxillofacial injuries (85.06%), dental impactions (72%), and malocclusion (53.88%) were significantly more common in male patients (P <0.05). The age group <19 years comprised 23.98 % of patients who visited the dental OPD, and the dental caries was most prevalent (27.10%) in the age group. The order of more frequent dental treatments was root canal treatment (18.84%), tooth extraction (18.44%), dental restoration (10.48%), and scaling (9.20%).Conclusions: The most prevalent dental disease was dental caries and it was more prevalent in females than in males. The most common age group reporting to Dental OPD was <19 years. J-GMC-N | Volume 11 | Issue 01 | January-June 2018, Page: 29-32

Background The present study compares the apical microleakage of three different root-end filling materials in which the retrograde cavity is prepared by two different burs. Methods Eighty extracted single rooted maxillary and mandibular premolars were taken. Root canal treatment was completed. Apical 3 mm of all the teeth were resected with diamond disk. The tooth were divided into four groups with two subgroups for each group containing 10 tooth (N= 10) as: Group IA (Negative Control and IB (Positive Control); Group IIA and IIB: Prepared with round carbide bur and round diamond bur respectively, filled with GIC; Group IIIA and IIIB: Prepared with round carbide bur and round diamond bur respectively, filled with MTA; Group IVA and IVB: Prepared with round carbide bur and round diamond bur, filled with Biodentine. After applying two coats of nail varnish leaving apical 3 mm (except for negative control group) all teeth were immersed in 2% methylene blue for 3 days and again in 65% nitric acid for next 3 days for extraction of dye. The obtained solution was then transferred to eppendorf tube and centrifuged in microcentrifuges at 14,000 revolution per minutes (RPM) for 5 minutes. Optical density or absorbance of the supernatant solution was measured with UV spectrophotometer at 550 nm. Results The absorbance of the supernatant solution after dye extraction is decreasing in the order of positive control> GIC> MTA> Biodentine> negative control group. The significant difference was observed between GIC and MTA (p=0.0001) and GIC and Biodentine (p=0.0001) with two different burs but statistically non-significant difference was observed between MTA and Biodentine with Carbide bur (p=0.127) and Diamond bur (p=0.496) respectively. Conclusions Within the limitations of the present study, it can be concluded that Biodentine and MTA showed less microleakage as compared to GIC. There is no significant difference between mean microleakage of MTA and Biodentine. However, the mean OD of the Biodentine was least of all evaluated materials. Preparation of the root-end using round carbide bur as well as round diamond burs showed comparable microleakage for all three filling materials.