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Indian Journal of Forensic Medicine & Toxicology
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Core Subject : Health,
Articles 5,497 Documents
Curing Techniques of Composite Resin: Continuous or Intermittent? Niha Naveed1 , Kishorekumar S2
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11737

Abstract

While composites have continued to be refined, significant differences between the available systems inphysical and mechanical properties, and clinical performance have minimized. Nevertheless, with all thechanges, there is one constant: it is necessary to light-cure direct composites. Clinicians need to understandthe importance of light curing principles because unbound monomers are cytotoxic and poorly curedcomposites are less biocompatible. Four techniques are currently available for light-curing composites.The clinician will consider multiple factors once the light source is chosen to ensure that the composite issatisfactorily cured. This article analyses the various current technologies, their strengths and weaknesses,and the importance to ensuring proper polymerization by following such protocols.
Efficacy of Clear Aligners in Correcting Anterior Open Bite- A Systematic Review Niha Naveed1 , Kishorekumar. S2
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11741

Abstract

Objective:The aim was to systematically search the literature and assess the available evidence regardingtheclinical effectiveness of clear aligners in correcting anterior open bite.Materials and Methods:PubMed, PubMed Central, MEDLINE, Embase, National Library of Medicine,Cochrane Library, Web of Knowledge, and LILACS were searched electronically to identify all peerreviewed articles till date potentially relevant to the review.The reference lists of all eligible articles wereexamined for additional studies. Additional manual search was also conducted in many orthodontic journalsof interest, and unpublished articles were also searched for. To rate the methodological quality of the selectedarticles, a grading system described by the Swedish Council on Technology Assessment in Health Care wasused.Results:Ten relevant articles were selected to be included in this systematic review. According to the SBUtool, among the selected studies, the methodological quality was moderate for four studies and limited forthe others. Thus, conclusions with a limited level of evidence could be arrived at from the review process.The most recurrent sources of bias were related to the study design, lack of blinding procedure, the samplesize, and the lack of control group. However, there was substantial consistency among studies that clearaligner therapy is a viable option to correct anterior open-bite.Conclusion:No definite conclusion could be derived due to the heterogeneity of the studies. Due to thelimitations of this study, further clinical and experimental research is needed to statistically assess long-termstability of occlusion and skeletal relationships in treated open-bite cases.
In Situ Hybridisation-A Review E.Rajesh1 , R.Hariharan2 , N.AravindhaBabu3 , L.Malathi4 ,
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11742

Abstract

In situ hybridisation (ISH) depends on the integral blending of labelled DNA or RNA probes with typicalor irregular nucleic acid arrangements in intact chromosomes, cells or tissue segments. Compared withother molecular techniques appropriate to anatomical pathology, ISH appreciates better compatibility withhistopathologists in view of its closeness to immunohistochemistry. It has the exceptional preferred positionover other techniques to a great extent dependent on probe hybridization with nucleic acid removed fromhomogenized tissue probes - of permitting localization and representation of target nucleic acid sequencesinside morphologically recognizable cells or cell structures. In spite of the fact that ISH is to a great extentan examination apparatus, it is as of now making solid advances into demonstrative histopathology. Otherthan recognition of infective specialists, it likewise permits localization of destinations of contamination,explanation of systems of infection transmission and spread also, examination of the connection betweenviral specialists and malignant growth. Sex composing, localization of qualities on chromosomes andrecognition of basic and mathematical chromosomal changes in tumors are among different utilizations ofISH.
Oral Manifestations of Hyperparathyroidism and Its Management-A Review R.Hariharan1 , N.Anitha2 , L.Malathi2 , N. Aravindha Babu3
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11743

Abstract

Endocrine system is the important system of human body responsible for maintaining the homeostasis andsome other physiological functions by releasing hormones from the endocrine gland. Parathyroid glandis one of the important endocrine glandproducing parathyroid hormone. Parathyroid hormone plays animportant role in maintaining the calcium and phosphorous metabolism and has a direct influence overthe mineralization of bone and teeth. Disorders in parathyroid gland such as hyperparathyroidism andhypoparathyroidism causes altered levels of secretion of parathormone which may cause various symptomsincluding the oralmanifestations such as brown tumor, loss of bone density, increased caries occurrencerate, high risk of bone fracture etc. The aim of this article is to creating the awareness among the dentalprofessionals about the risk and preventive measures in treating the patients with hyperparathyroidism.
Influence of Socioeconomic and Working Status of the Parents on the Incidence of their Children’s Dental Caries Niha Naveed1 , Kishorekumar S2
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11744

Abstract

Dental caries, or tooth decay, is an infectious process involving breakdown of the tooth enamel.Children aresusceptible to caries as soon as the first teeth appear, which usually occurs around age 6 months.It is knownthat socioeconomic status affects the health-related quality of life of children.Family income, occupationalstatus, and educational achievement are socio-economic status indicators that have been found to affect thelife opportunities of an individual.
Recent Advances in Cytology-A Review R.Hariharan1 , N.Anitha2 , E.Rajesh2 , N.AravindhaBabu3,
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11745

Abstract

In olden days, specificity and sensitivity of oral cytology is poor. Utilizing traditional oral cytology for theconclusive diagnosis of malignancyand premalignant lesions. But with the recent cytological techniquespaves cytology to conclude a final diagnosis. This reestablished interest is somewhat because of thepresentation of a specific brush that gathers a full-thickness epithelial sample and not simply sloughed cells,just as examination of that sample with computer support and analysis. There is an assortment of adjunctivestrategies have been acquainted with possibly upgrade the finding of the cytologic examples including DNAexamination, immunocytochemistry, molecular analysis, and liquid based preparations. An expansion insensitivity (>96%) and specificity (>90%) of the oral brush biopsy with computer support, diagnosis hasbeen accounted for detection of malignant and premalignant lesions. Brush cytology is significant to forestallmisdiagnosing suspicious oral lesions.
Sterilization and Disinfectants Used in a Dental Office- a Review S.KishoreKumar1 , T.Shoba2 , Prashanth Sreenivasan3
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11746

Abstract

As dentists, we must disinfect and clean all equipments and countertops between patients with a recommendedhospital-grade bactericidal product. Nonvisible blood and saliva does not mean it is absent on environmentalsurfaces. Blood and saliva are present throughout dental treatment. If a patient becomes ill as a result ofan exposure to a pathogen or a bacterium that is later found in our dental office surfaces, the employer andor dentist is at risk of being responsible for the patient’s illness and associated compensatory damages.Understanding and recognizing the risk of disease will drastically reduce patient illness, practice liabilityand employee illnesses. Dentists cannot pretend that this is only a theoretical problem. Therefore the dentalcommunity needs to stay updated of the rapidly evolving standard of care and do its best to comply with thestandard of care in daily practice
Comparative Evaluation of Internal Fit and Marginal Fit of Zirconia Copings Obtained From Impression and Die Fabricated using CAD-CAM an In Vitro Study Tamizhesai Balavadivel1 , Raghavendra Jayesh2 , Sanjna Nayar3 , Venkateshwaran Rajendran4
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11747

Abstract

Aims: To evaluate and compare the internal fit and marginal fit of zirconia copings fabricated using CADCAM from impressions and model.Material and Methods: Using a standardized die, 15 impressions group 1and 15 models group 2 weremade with standardized protocol. All impressions and models were scanned and virtual models were made.Using the CAD data, zirconia copings were fabricated and cemented using silicone under finger pressureand standardized sections of the silicone were made and thicknesses were measured at eleven specific pointsunder stereomicroscope.Statistical analysis used: ANOVAResults: Mean Internal gap value of Group 1was 292.4µ ± 23.48 and Group 2 was 258.54 µ ± 22.83 µ, MeanMarginal Gap value of group1 was 252.64µ ± 11.86 µ and group2 was 232.18 µ ± 06.24 µ, ANOVA testshowed statistical significance with p value >0.05Conclusions: Within the limitations of the study, mean marginal gaps of both the groups were withinclinically acceptable range. Group 2 copings demonstrated comparatively smaller values. Hence fit of therestoration is better in Group 2 (copings fabricated from scanned models)
A Comparative Study to Determine the Dimensional Accuracy of Different Impression Materials S. Chandrakala1 , Ganesh Ramesh2, Sanjna Nayar3
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11748

Abstract

Background: The accuracy and dimensional stability of dental impression materials are of great importance,since a material which shrinks, expands or warps during or after removal from the mouth will result in aninaccurate model and potentially, a badly-fitting prosthesis. The purpose of this study was to evaluate thedimensional accuracy of the impression materials immediately after setting and also to determine the changein dimensional accuracy after 24 hours.Materials and Method: Four impression materials were selected among which two were hydrocolloidsand two were elastomers. Fifteen samples of each were experimentally tested immediately and 24 hoursafter sample preparation. Data obtained were subjected to t-test and analysis of variance for statisticalcomparisons at a 5% level of significance.Results: The linear difference in measurements were recorded immediately and 24 hours after setting.The changes in dimensional accuracy with respect to time were statistically analysed and it showed nostatistically significant difference between the materials both immediately and after 24 hours.Conclusion: Within the limitations of the study,It can be concluded that there were similar results for dimensional accuracy for all the materials testedimmediately after sample preparation but there was considerable disparity with the same tested after 24 hrsfor hydrocolloids and not much of difference was noted for elastomers.
Immediate Denture – A Case Report Praveen P1 , Ragavendra Jayesh2 , Sanjna Nayar3
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 4 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i4.11749

Abstract

Esthetics is an important consideration for patientsundergoing dental treatment. Patients always want animmediate prosthesis beforeintervening any treatment option. Hence a fabrication of denture placementimmediately after the extraction of teeth is precise one. Immediate denture is the best option for functional,esthetics purpose as well as patientsneed.