International Journal of Dental Materials https://ijdm.co.in/index.php/dental-materials <p>International Journal of Dental Materials</p> <p><strong>International Journal of Dental Materials (IJDM)</strong> is an Open Access, International Peer-Reviewed journal published quarterly. The journal publishes original scientific research papers, short communications, review articles, case reports and letters to the editor. The journal is dedicated to propagating progressive knowledge and evolving information to achieve a broad&nbsp;readership from basic, clinical and public health researchers to dental professionals and preachers.</p> <p>&nbsp;</p> <p><a href="http://creativecommons.org/licenses/by/4.0/" rel="license"><img style="border-width: 0;" src="https://i.creativecommons.org/l/by/4.0/88x31.png" alt="Creative Commons License"></a><br>This work is licensed under a <a href="http://creativecommons.org/licenses/by/4.0/" rel="license">Creative Commons Attribution 4.0 International License</a>.</p> IJDM en-US International Journal of Dental Materials 2582-2209 <p>This work is licensed under a <a href="http://creativecommons.org/licenses/by/4.0/" rel="license">Creative Commons Attribution 4.0 International License</a>.</p> Comparative evaluation of sealer penetration depth into radicular dentinal tubules using confocal scanning microscope: an in vitro study https://ijdm.co.in/index.php/dental-materials/article/view/44 <p><strong>Background: </strong>Endodontic treatment involves the removal of the vital and necrotic contents of the root canal through chemo-mechanical means followed by obturation of the prepared root canal to prevent the ingress of fluids and avoid bacterial infection or regrowth. Root canal sealers and core filling materials are used together to fill the irregularities in the root. Penetration into the dentinal tubules also results in the inhibition of bacterial regrowth and increases the success of root canal therapy.</p> <p><strong>Aim: </strong>This study aimed to evaluate the penetration depth of various sealers into the dentinal tubules using a confocal microscope.</p> <p><strong>Materials and methods: </strong>A total of 65 specimens were decoronated to standardize the root length of 13mm. Working length was determined, and Biomechanical preparation for all the samples was done with a rotary ProTaper file till F4. Samples were randomly divided into five groups containing 13 teeth in each group based on the sealer used, namely Group 1: Endomethasone (n=13), Group 2: AH-Plus (n=13), Group 3: Roekoseal (n=13), Group 4: MTA Fillapex (n=13), Group 5: Endosequence BC (n=13). All the sealers were labelled with Rhodamine-B dye, and samples were obturated using cold lateral compaction technique. The specimens were sectioned orthogonally at coronal, middle, and apical thirds. All the samples were examined with a Zeiss Pascal Laser Scanning Microscope to examine the sealer penetration depth into the dentinal tubules. The data were subjected to statistical analysis using one- way Analysis of Variance (ANOVA) and Tukey's Honest Significant Difference (HSD) tests.</p> <p><strong>Results: </strong>Endosequence BC showed the highest penetration into dentinal tubules, followed by MTA Fillapex and Roekoseal, AH-Plus, and Endomethasone exhibited the least penetration.</p> <p><strong>Conclusion: </strong>Endosequence BC sealer exhibited maximum penetration. All the groups showed maximum penetration at coronal third, followed by the middle and apical third.</p> Ambika Sigadam Kalyan Satish R Girija S Sajjan Madhu Varma K Sita Ram Kumar M Praveen D Copyright (c) 2020 International Journal of Dental Materials https://creativecommons.org/licenses/by/4.0 2020-08-27 2020-08-27 2 3 69 74 10.37983/IJDM.2020.2301 Comparison of remineralizing effect of organic and inorganic fluoride by evaluation of microhardness and quantitative analysis of calcium and phosphorus ratio on enamel surface: an in-vitro study https://ijdm.co.in/index.php/dental-materials/article/view/31 <p><strong>Background</strong></p> <p>Enamel is a highly mineralized tissue of the body which is composed of 96% inorganic salts and 4% organic matter. Enamel is permeable to water and ions, particularly cations and low molecular weight substances. The enamel continues to mature even after eruption with mineral replacing protein. Recently, the interest on the development of calcium phosphate-based remineralization technology has been increased that led to the development of various remineralizing agents like Fluoride, CPP-ACP (Tooth Mouse plus), Bioglass (Novamin), Ozone, Xylitol, Sensistat etc.</p> <p><strong>Aim </strong></p> <p>Aim of the present in vitro study was to evaluate and compare the remineralizing effect of Organic fluoride (AmF) and inorganic fluoride (NaF) by evaluating Vickers microhardness and quantitative analysis of Calcium and Phosphorus ratio on enamel surface using Scanning Electron Microscope-Energy Dispersive X-ray analysis.</p> <p><strong>Materials and methods</strong></p> <p>Sixteen maxillary central incisors were decoronated at the cementoenamel junction and mounted in cylindrical moulds filled with self-cure acrylic resin. Artificial demineralized lesions were created on the enamel surface by suspending them in 0.1 M Citric acid buffer at pH of 3.2 for 72 hrs. The samples were then randomly divided into two groups and labelled, Group A – remineralized with NaF for 3 minutes twice daily for one week and Group B - remineralized with AmF for 3 minutes twice daily for one week. Microhardness and SEM-EDX analysis were done before demineralization, after demineralization and after remineralization.</p> <p><strong>Results</strong></p> <p>Data were analyzed by comparing the mean values between the groups using independent sample t-test. The intra-group analysis was done using repeated-measures ANOVA with posthoc Bonferroni test, and a p-value of &lt;0.05 was considered statistically significant.</p> <p><strong>Conclusion </strong></p> <p>OrganicFluoride resulted in better remineralization than inorganic Fluoride. After remineralization for one week, enamel samples treated with AmF demonstrated a statistically significant increase in mean microhardness and Ca:P ratio when compared to enamel samples treated with NaF.</p> Lokam Karthik Prasad Khwaja Moinuddin MD Nagamaheshwari X Uday Kumar P Shekar K Mamta Kaushik Copyright (c) 2020 International Journal of Dental Materials https://creativecommons.org/licenses/by/4.0 2020-08-27 2020-08-27 2 3 75 81 10.37983/IJDM.2020.2302 A bibliometric analysis of the 100 most-cited articles in dental materials journals https://ijdm.co.in/index.php/dental-materials/article/view/43 <p><strong>Background: </strong>Bibliometric studies are important as they provide an overview of research and scientific activity in a specific field. But studies of this type to determine the characteristics of the most cited articles in dental materials journals are completely lacking.</p> <p><strong>Aim: </strong>To analyze the characteristics of 100 most-cited articles in dental materials journals since its inception through April 2019.</p> <p><strong>Material and methods: </strong>Google scholar database was used to retrieve the list of journals titled with the term ‘‘dental materials”. A search was then conducted under "Publication Name" for each of the selected journals, and the articles were grouped by the category "Times Cited". The 100 highly cited papers published in five journals were contemplated in the eventual inquiry. The final collection was subjected to further scrutiny to determine the nature and characteristics of the documented revelations regard to journal name, year of publication, authors and their country, type of article, and area of research.</p> <p><strong>Results:</strong> The 100 most-cited articles were published between 1985 and 2016 with maximum publications during 2001-05. The number of citations was ranging from 1926to 304. Only Dental Materials (97), Dental Materials Journal (3), shared the list. The United States tops the list with 25 articles followed by Germany (12) and Belgium (11). Dental composites and adhesives were the most commonly addressed topics in dental materials journals.</p> <p><strong>Conclusions: </strong>This bibliometric analysis connoted the evolving and interesting research trends in dental material science.</p> Praveen Gadde Rama Krishna Alla Premsagar Yekula Harsha Gontla V Durga Venkata Karteek Varma P Yavaneetha Reddy Copyright (c) 2020 International Journal of Dental Materials https://creativecommons.org/licenses/by/4.0 2020-08-27 2020-08-27 2 3 82 90 10.37983/IJDM.2020.2303 Surface roughness of acrylic denture base resins polished with different abrasive agents: an in vitro study https://ijdm.co.in/index.php/dental-materials/article/view/41 <p><strong>Background: </strong>Excessive surface roughness on the denture base can adversely impact the oral health of the patient. Therefore, it is necessary to polish the denture before they are delivered to the patient. The abrasive and polishing agents should provide a smoother surface without affecting the physical and mechanical properties of denture bases.</p> <p><strong>Aim:</strong> This study aims to examine and understand the potential of different polishing materials on surface roughness of acrylic denture base resins.</p> <p><strong>Materials and methods: </strong>A total of 60 Heat-cure acrylic specimens (acrylic bars) were made and grouped into six groups. Control (no abrasive), Pumice (Micro-white), Eggshell powder, Seashell powder, Black sand powder, White sand powder are used as abrasive materials for polishing these specimens. These polished specimens were subjected to profilometer surface roughness analysis.</p> <p><strong>Results:</strong> The acrylic specimens polished with eggshell powder on acrylic specimens showed the least surface roughness followed by black sand, white sand, pumice and seashell powders. Tukey HSD showed significant differences (p=0.000) between unpolished and polished specimens.</p> <p><strong>Conclusion:</strong> Eggshell powder effectively reduced the surface roughness of denture base resin material. However, the surface roughness demonstrated by all the abrasive materials used was within the threshold limit (2 µm). Therefore, all the materials can be used as abrasives.</p> Sreeram Sharmista Gudala Siva Kumar Yalavarthy Ravisankhar Kalluri Srinivas Hari Krishna MVS Satyendra Kumar Copyright (c) 2020 International Journal of Dental Materials https://creativecommons.org/licenses/by/4.0 2020-08-27 2020-08-27 2 3 91 97 10.37983/IJDM.2020.2304 Comparison of push-out bond strength of bioceramic sealer with bioceramic coated and non-bioceramic coated Guttapercha: an in vitro study https://ijdm.co.in/index.php/dental-materials/article/view/45 <p><strong>Background</strong>: The goal of the endodontic treatment is to achieve a fluid-tight impervious seal to prevent the ingress of bacteria and the occurrence of any pathology in future. The endodontic sealer plays a crucial role in obtaining the hermetic seal by filling all the spaces and by binding to the root dentin and to the core obturating material, which is usually gutta-percha.</p> <p><strong>Aim: </strong>This study aimed to compare the push-out bond strength of Endosequence BC sealer with bioceramic coated gutta-percha and non-bioceramic coated gutta-percha.</p> <p><strong>Materials and methods</strong>: A total of 36 extracted human maxillary central incisors were decoronated to standardize the root length of 15mm. Working length was determined and Biomechanical preparation for all the samples was done with a Mtwo (VDW Company) rotary file till 40/.06. Samples were randomly divided into three groups containing 12 teeth in each group based on the obturation procedure, namely Group 1: Endosequence BC sealer along with Endosequence bioceramic coated gutta-percha (n=12), Group 2: Endosequence BC sealer along with normal gutta-percha (n=12), Group 3: AH Plus sealer along with normal gutta-percha. All the samples were obturated using single cone technique. The specimens were sectioned orthogonally at middle third to obtain three sections of 1mm thick. All the samples were subjected to the push-out bond strength test with the universal testing machine. The data were subjected to one-way Analysis of Variance (ANOVA) followed by post hoc analysis.</p> <p><strong>Results</strong>: Samples obturated with Endosequence BC sealer with Endosequence bioceramic coated gutta-percha showed the maximum push-out bond strength followed by Group 3 and Group 2. One-way Anova showed significant differences (p=0.021) among the groups. In posthoc analysis, the specimens from group 1 exhibited significant differences (p=0.016) with the group 2 specimens.</p> <p><strong>Conclusion</strong>: The push-out bond strength of Endosequence Bioceramic sealer with Endosequence Bioceramic coated gutta-percha was significantly higher than that of Endosequence Bioceramic sealer with normal gutta-percha and AH Plus sealer with normal gutta-percha.</p> Srikanth Garikapati Kalyan Satish R Girija S Sajjan Madhu Varma K Vishal Babu Kolla Rajashekar Ch Copyright (c) 2020 International Journal of Dental Materials https://creativecommons.org/licenses/by/4.0 2020-08-27 2020-08-27 2 3 98 102 10.37983/IJDM.2020.2305