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   Table of Contents - Current issue
July-December 2020
Volume 14 | Issue 2
Page Nos. 49-108

Online since Wednesday, July 15, 2020

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COVID-19 and dental preparedness p. 49
Sanjay Manohar Londhe
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Quiz from editorial desk: Visualize and analyze p. 51
RajKumar Maurya, Vivek Saxena, BK N Babu
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Determination of the comparative accuracy of manual, semi-digital, and fully digital cephalometric tracing methods in orthodontics p. 52
Rajat Mitra, Adarsh Chauhan, Sahil Sardana, Sanjay Manohar Londhe, Balakrishnan Jayan, RajKumar Maurya
Introduction: The present study was aimed at comparing the accuracy of cephalometric tracing in by the manual, semi-digital, and fully digital cephalometric tracing methods in orthodontics. Materials and Methods: The present study was conducted in the department of orthodontics of a tertiary care government hospital with clearance from the Institutional Ethical Committee. Thirty lateral cephalograms were evaluated using three different method: Group I-Print of lateral cephalogram was traced manually on an acetate sheet. Group II-the digital images of cephalograms were traced on screen using the NNT (NewTom Image Viewer) software. Group III-digital images traced using Nemoceph™ software. Ten angular and eight linear variables were measured. Inter-group comparison was made using one-way ANOVA measure followed by post hoc Tukey's Honest Significant Difference test. Results: Intra-class correlation coefficients showed acceptable agreement in all three groups, i.e., Group I (0.281), Group II (0.11), and Group III (0.056). The one-way ANOVA test revealed a significant difference between groups for two variables. i.e., “EL-Max” and “EL-Mand.” The difference was present between Groups I and II i.e., “EL-Max” (P < 0.000) and “EL-Mand” (P < 0.02) respectively. Conclusion: The present study found no significant difference between manual, semi-digital, and fully digital cephalometric tracing with good agreement among all variables except two linear variables, which were traced more accurately in semi-digital method. The preference of using on particular technique can be based on the availability, expertise, and ease of availability.
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Histomorphometric analysis of bone interphase p. 59
Reenesh Mechery, Manish Mukherjee, AK Shreehari
Background: Different surgical techniques have been advocated for esthetic rehabilitation of deficient alveolar ridges with implant placement: Guided bone regeneration (GBR), Alveolar distraction osteogenesis, Onlay block graft (autogenous and allograft); However, autogenous block graft still provides with predictable outcome since being the gold standard for regeneration and augmentation. Objective: The aim of the present study was to compare histomorphometrically the bone interphase of augmented site with and without GTR (guided bone regeneration) membrane before implant placement. Material and Methods: In this study, a total of 16 patients with missing incisor with Siberts Class 1 alveolar defects were selected, parasymphysial block graft were harvested and stabilized with miniscrews, DFDBA graft material around the block graft were placed, and 8 were covered with GTR resorbable membrane. Miniscrews were removed after 6 months. Bone core biopsy of interphase were retrieved by 2.9 mm diameter trephine bur and sent for histologic and histomorphometric analysis using histometry software. Results: Data were evaluated using paired sample t-test and Shapiro-Wilk test. Histological evidence of fibrous tissue interphase was observes in specimen without GTR group. Though there were no statistically significant difference between the two groups in terms of amount of new bone 31.47 versus 30.6% (P = 0.5362), while there was a statistically significant difference in percentage of residual grafted material higher in non GTR augmented site (t value= 4.501 P = 0.0003) and marrow space in GTR group with statistical significance (t = 2.887 P = 0.0098). Conclusion: Only few studies have tested histomorphometrically to see the exact uptake of the augmented site, comparing interpositioning of fibrous tissue, newly formed bone at site, residual graft material and marrow space. It is most appropriate to use an evidenced-based approach when a treatment plan is being developed for bone augmentation cases. This study will add to the evidence of use of autogenous block graft with GTR membrane thus providing a connective tissue interphase free augmentation.
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Dental practice in a pandemic scenario: The journey from lockdown to a new reality p. 66
Kochiyil Chacko Jacob, Anup Gopi, Rajkumar Maurya, Balakrishnan Jayan, Sanjay Manohar Londhe, Manish Mukherjee, Rajat Mitra, Naresh Kumar Singla, Karan Nehra, Parvez H Shaikh, BK N Babu, Vasanth Jackson, Sudarshan Bhat, Prem Ballabh, Arvind K Singh
Coronavirus Disease 2019 is a rapidly progressing pandemic that has affected 12.3 million individuals while causing 5,54,061 deaths worldwide till date. In India, approx 7,94,000 individuals (including approximately 4,96,000 recovered patients) have been affected with approximately 21,604 deaths. The sheer extent of the disease makes it imperative to increase awareness among our professional peers regarding the nature of the disease and its transmissibility while formulating standard operating procedures to mitigate the same. The present article disseminates the evidence to date and is based on available literature, brief working experiences, and relevant recommendations that can be implemented at various dental centers and units at all levels.
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'Research' of reporting 'Research'-strengthening the evidence-based dentistry p. 75
Rajkumar Maurya, Sanjay Manohar Londhe
The present article focuses on minimum guidelines and criteria that can be applied to not only filter high-quality scholarly research from the “scholarly junk” but also provide insight regarding various policies and guidelines for conducting and subsequent reporting of scholarly manuscript. Before conducting the research and clinical studies, review of literature should be assessed from journals recognized by empowered national and international statutory bodies and societies. Second, relevant recommended guidelines as per the design of epidemiological study should be adhered when conducting till manuscript preparation. Once the manuscript is prepared, professional plagiarism detection software must be used to rule out any accidental similarity index and subsequent consequences. Finally, before submitting the manuscript and drawing conclusion out from published literature, ruling out dubious predatory junks should be carried out. The endeavor of the present article is to highlight the key information and references in regard to the above–mentioned guidelines as systematically as possible.
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Prefabricated light-polymerizing plastic pattern for fabrication of cast partial framework of obturator prosthesis – A novel technique p. 85
M Viswambaran, R Vijaya Kumar, Rahul Bahri
This case report aims to report a novel application of a prefabricated light-polymerizing plastic resin for the construction of cast partial denture (CPD) framework for the fabrication of a definitive obturator. Prefabricated light polymerizing plastic patterns have been introduced in dental labs and are used in the fabrication of CPD framework. This novel technique shows how it minimizes laboratory time and cost by removing some of the steps involved during metal-based definitive obturator fabrication. A case of maxillectomy was rehabilitated using light polymerizing plastic pattern for the fabrication of metal-based definitive obturator.
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Lefort I osteotomy in combination with modified Wassmund technique: A new combination for surgery- first orthognathic approach p. 89
SK Bhandari, Yuvraj Issar, BK N Babu, Abhishek Mishra
Objective: The aim of this technical note is to present a unique combination of orthognathic surgery which incorporates Wassmund technique and Lefort I osteotomy a part of surgery- first orthognathic approach (SFOA) in prognathic maxilla. Methods: Usually, the SFOA indications are minimally involved skeletal discrepancy and most often procedure is bilateral sagittal split ramus osteotomy (BSSRO) for setback or Lefort I osteotomy with superior repositioning. The current report illustrated SFOA in case of gummy smiling with maxillary anteroposterior excess. We have used Lefort I osteotomy in conjunction with Wassmund procedure (incorporating our own modification) for setback of premaxilla in SFOA. Results: The gummy smile was reduced from 9 mm to 3 mm with excellent occlusion in one surgery with improved psychological benefit to the patient. Conclusion: In contrast to the limited skeletal abnormality as an indication of SFOA, the current report presentation reveals a unique technique for dealing with a large skeletal discrepancy with the combination of Lefort I osteotomy and Wassmund technique. A growing acceptance in surgical and orthodontic communities toward SFOA lead an increasing demand in the patients with wide range of skeletal deformity correction in a short period of time. The surgeons should not restrict his horizon to BSSRO or Lefort I osteotomy in SFOA. The comprehensive knowledge of different surgical technique can widened the extent of SFOA.
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Successful retrieval of dental implant from maxillary sinus by interdisciplinary approach in a high altitude as a complication during prosthetic phase: A rare case report p. 92
Vikas Dhir, Sachin Saini, Shyamal Rao, Karan Padha
Dental implants are one of most predicatble procedures for rehabilitation of jaws. One of the rarest complications is of the displacement of dental implant into the maxillary sinus. One such interesting rare case report has been presented here which has been managed by an interdisciplinary approach by successful retrieval of implant from maxillary sinus by a combined approach (Endoscopic Medial Meatus Antrostomy and Caldwell Luc procedure) in high altitude area.
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Sublingual dermoid cyst: Case series p. 96
NK Sahoo, ID Roy, Rohit Sharma, Vivek Saxena, BK N Babu, Sudarshan Bhat
Dermoid cysts in the floor of the mouth may be congenital or acquired. The congenital form originates from embryonic cells of the 1st and 2nd branchial arch. The acquired form may be due to traumatic or iatrogenic causes. Its occurrence is estimated to be from 1.6% to 6.9% of the dermoid cysts of the body in adults. They may be classified anatomically and histologically. Anatomically, based on the location while histologically, they are divided into epidermoid, dermoid cysts, and teratomas. Enucleation through intraoral and/or extraoral approach is the method of treatment. A case series of dermoid cysts in the floor of the mouth are presented in this article; and an evaluation with regard to pathology, clinical findings, and treatment is discussed.
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Role of anchor screw in the management of mandibular condylar fracture p. 101
NK Sahoo, ID Roy
Anchor screw is a bone screw engaged to bone and used to anchor wire ligature, sutures, and ligaments and to provide traction. In context of maxillofacial fractures, there is hardly any report of use of anchor screws.
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Unusually large leiomyoma of buccal mucosa: Clinical case report p. 103
Mahmood Dhahir Al-Mendalawi
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Authors' reply to Letter to the editor p. 103
Rajashekhar D Gadad, AK Jha, Isha Rani
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Dental chair: An ideal setting for sample collection in COVID-19 testing p. 105
Sudip Indu, Balakrishnan Jayan
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Answer to the Quiz from editorial desk: Visualize and analyze p. 108
RajKumar Maurya, Vivek Saxena, BK N Babu
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