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Sowmya H.K.,JSS Dental College and Hospital | Subhash T.S.,K. R. Hospital | Nandini T.N.,Bapuji Dental College and Hospital | Bhandi S.H.,M S Ramaiah Dental College And Hospital
Journal of Clinical and Diagnostic Research | Year: 2014

Introduction: Decreased apical extrusion of debris and apical one third debris have strong implications for decreased incidence of postoperative inflammation and pain. Thus, the aim of this study was to assess quantitatively the apical extrusion of debris and intracanal debris in the apical third during root canal instrumentation using hand and three different types of rotary instruments. Methodology: Sixty freshly extracted single rooted human teeth were randomly divided into four groups. Canal preparation was done using step-back with hand instrumentation, crown-down technique with respect to ProTaper and K3, and hybrid technique with LightSpeed LSX. Irrigation was done with NaOCl, EDTA, and normal saline and for final irrigation, EndoVac system was used. The apically extruded debris was collected on the pre-weighed Millipore plastic filter disk and weighed using microbalance. The teeth were submitted to the histological processing. Sections from the apical third were analyzed by a trinocular research microscope that was coupled to a computer where the images were captured and analyzed using image proplus V4.1.0.0 software. The mean weight of extruded debris for each group and intracanal debris in the root canal was statistically analyzed by a Kruskal-Wallis one-way analysis of variance and Mann- Whitney U test. Results: The result showed that, hand instrumentation using K files showed the highest amount of debris extrusion apically when compared to ProTaper, K3 and LightSpeed LSX. The result also showed that there was no statistically significant difference between the groups in relation to presence of intracanal debris in the apical one third. Conclusion: Based on the results, all instrumentation techniques produced debris extrusion. The engine driven Ni- Ti systems extruded significantly less apical debris than hand instrumentation. There was no statistically significant difference between the groups in relation to presence of intracanal debris in the apical one third. Source

Santana N.,M S Ramaiah Dental College And Hospital
Quintessence international (Berlin, Germany : 1985) | Year: 2010

Lipid proteinosis, also known as Urbach-Wiethe disease, is a rare autosomal recessive disorder. It presents in early childhood with hoarseness of voice, skin infiltration and thickening, beaded papules on the eyelid margin, and facial acneform scars. Oral findings such as woody tongue and papules on the oral mucosa are common findings. To the authors' knowledge, only about 250 cases have been reported to date. The occurrence of this disease in this part of the world is rare. Source

Kamath P.S.,M S Ramaiah Dental College And Hospital
Journal of Clinical Pediatric Dentistry | Year: 2013

Aim: The aim of this study was to assess the effect of an active and novel distraction technique WITAUL (Writing In The Air Using Leg) on the pain behavior observed and reported by children receiving local anesthesia injections prior to dental treatment. Study design: The study was conducted on 160 children (80 in control and 80 in intervention group) between the ages of 4 - 10 years. During the administration of anesthesia the children in the control group were made to relax by means of deep breathing and those in the intervention group were taught to use the WITAUL distraction technique. the behavior of the children aged 4 - 5 years was noted using the Modified Toddler-Preschooler Post operative Pain Scale (TPPPS) and that of children aged above 6 years was measured using the FACES Pain Scale-Revised (FPS-R). Results: The use of WITAUL was found to be statistically significant (p value < 0.0001) compared to the control method in serving as a distraction and hence in managing pain during local anesthesia administration. The mean Modified TPPPS scores (4 - 5 year olds) for the WITAL group was 2.46 ±1.752 and that of the control was 5.64±2.328. The mean FPS-R scores (6 - 10 year olds) for the WITAUL group was 3±1.748 and that of the control group was 6.26±1.858. Conclusion: The WITAUL technique therefore appears to be a simple and effective method of distraction during local anesthesia administration in pediatric patients. Source

Bhagyajyothi C.S.,Bapuji Dental College and Hospital | Pushpanjali K.,M S Ramaiah Dental College And Hospital
Community Dental Health | Year: 2011

Objectives: To compare the periodontal status among young smokers and nonsmokers and to assess the influence of frequency and duration of smoking on the periodontal status. Basic Research Design: A cross sectional study. Participants: The study was conducted among 1,081 male employees (aged between 20-35 years) working in Bharat Electronics Limited (BEL), a factory located in Bangalore, India. Setting: Two medical centers (FMC-North and FMC-South) situated within the factory premises. Method: A specially designed form was used for collecting the information on socio-demographic factors, oral hygiene practices, smoking habits including the frequency and duration of smoking in addition to recording community periodontal index (CPI index) together with its loss of attachment (LA) component. Independent t-test, one-way analysis of variance (ANOVA), post hoc test (Bonferroni), chi square test and logistic regression analysis were carried out. Main Outcome Measures: CPI scores and LA codes. Results: Mean number of sextants per person with both periodontal pockets and loss of attachment measuring 4 mm or more was significantly higher (p<0.001) in smokers when compared to nonsmokers. Increase in the extent and severity of periodontitis was evident with an increase in the frequency and duration of cigarette smoking. Smokers were eight times more at risk of periodontal pockets (C.I: 5.79-10.68) and five times more at risk for loss of attachment (C.I: 3.79 -6.52) when compared to nonsmokers (p<0.001). Conclusions: Smoking is a risk factor strongly associated with periodontal disease among this young population of male employees working in BEL factory located in Bangalore. The extent and severity of the periodontitis was related to the amount of cigarettes smoked and the duration of the habit. © BASCD 2011. Source

Harshitha Gowda B.H.,M S Ramaiah Dental College And Hospital | Satish Babu C.L.,JKK Nataraja Dental College and Hospital
Indian Journal of Dental Research | Year: 2013

Objectives: The goal of every prosthetic management is to simulate nature and be in harmony with nature within the physiological limits. The occlusal forces on a fixed dental prosthesis are transmitted to the surrounding structures through pontics, connectors and retainers and more stresses are seen at the connector region. To analyze the stress patterns in cast and soldered connectors between the two pontics and between the retainer and pontic of a four unit fixed dental prosthesis on axial and non axial loading and also to observe and ascertain the need to modify the design of the rigid connectors. Materials and Methods: Subsequently four models each of cast and soldered connectors with cylindrical and triangular design, of dimension 3 × 4 mm and thickness 0.5 mm was designed for the study. The first premolar and second molar were considered as the abutments and 2nd premolar and 1st molar as the pontics. The analysis was done using ANSYS version 8.0 software and by placing axial and non-axial load of 40 Newtons each. Results: Von Misses stresses were observed at the connector region between the two pontics, especially in the cervical region. Conclusion: The cylindrical cast connectors showed less stress in comparison to triangular design and the difference in the stress distribution of cast and soldered connectors were marginal. Clinical Significance: The occlusal forces on a fixed dental prosthesis are transmitted to the surrounding structures through pontics, connectors and retainers with maximum stresses concentrated at the connectors. Hence this three-dimensional finite element analysis study investigated stress distribution in a four unit posterior fixed dental prosthesis, having cylindrical and triangular connector designs. Source

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