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Venkateshwaran R.,Bharath University | Karthigeyan S.,Rajah Muthaiah Dental College | Manoharan P.S.,Indra Gandhi Dental College | Konchada J.,Sree Sai Dental College and Research Institute | And 2 more authors.
Journal of Pharmacy and Bioallied Sciences | Year: 2014

Introduction: The difficulty in reproducing accurate angle of condylar guidance in semi-adjustable articulators. Purpose: The purpose of this study was to determine the correlation between the angle of horizontal condylar inclination obtained on a semi-adjustable articulator and the corresponding angle traced on a temporomandibular joint (TMJ) radiograph in completely edentulous subject. Materials and Methods: The horizontal condylar inclination angle was obtained in a semi-adjustable articulator by means of height tracer (extra oral tracing device) and interocclusal records to program the articulator in 21 subjects. TMJ radiograph were recorded by the same operator with same orthopantomogram (OPG) machine (planmeca). Tracings of inclines of articular eminence on the radiograph were compared with the angle obtained on a semi-adjustable articulator. Each measurement was made using manual methods of measuring angle. The results were subjected to the Pearson correlation statistical analysis (α =0.01). Results: The outline of the articular eminence in a TMJ tomogram radiographic image was identified and traced. A significant correlation was found between the horizontal condylar inclination on a semi-adjustable and the corresponding TMJ tomogram radiographic image for both right (R = 0.789; P = 0.001) and left (i = 0.747; P = 0.004) sides. Conclusion: The articular eminence traced on a TMJ tomogram image represents the horizontal condylar inclination with a mean difference of 5° in 21 subjects evaluated. Source


Konidena A.,Career Post Graduate Institute of Dental science and Hospital | Pavani B.V.,Sree Sai Dental College and Research Institute
Nigerian Journal of Clinical Practice | Year: 2011

Background: Lichen planus (LP) is a chronic mucocutaneous disease of uncertain etiology. Recent reports suggest that LP is an extrahepatic manifestation of Hepatitis C infection. Objective: To determine the association of Hepatitis C virus (HCV) infection with oral LP and to study the tests of liver function in patients with oral LP. Study Design: A cross-sectional case-control study was carried out on 25 patients with oral LP and an equal number of controls. The study was conducted in the outpatient department of a dental college for a period of six months between January and June 2008. The sera of the patients and controls were tested for HCV ribonucleic acid (RNA) using reverse transcription primed-polymerase chain reaction and liver function tests (bilirubin, transaminases, and alkaline phosphatase). Results: Of the 25 patients with LP, three (12%) had HCV infection. None of the controls had HCV RNA positivity (P = 0.2347). Oral LP patients had higher serum bilirubin and transaminases when compared with controls (P < 0.05). However, there was no significant difference in alkaline phosphatase. HCV-positive and -negative patients did not differ significantly in liver function tests. Conclusions: An increased prevalence of HCV infection was seen in oral LP patients. Our findings support a possible etiological association between these two diseases. Source


Jaiswal A.K.,Sharad Pawar Dental College | Pachava S.,Sibar Institute of Dental science | Sanikommu S.,Sibar Institute of Dental science | Rawlani S.S.,Swargiya Dadasaheb Kalmegh Smruti Dental College and Hospital | And 2 more authors.
International Dental Journal | Year: 2015

Context Self-care is one of the ways in which people without access to professional care can actively engage in managing their oral health problems. Aim To find out the prevalence of dental pain and the type of self-care remedies utilised for pain relief by people with low socio-economic status residing in Kollipara mandal, Guntur district, Andhra Pradesh. Settings and design This was a cross-sectional population-based study. Methods and material A multistage simple random-sampling technique was adopted to obtain an appropriate sample. A questionnaire, which consisted of sections on socio-economic and demographic variables, dental pain, pain characteristics and self-care remedies utilised to combat dental pain, was used to collect data. Statistical analysis used the chi-square test and descriptive statistics. Results The survey covered a total population of 630 individuals. The mean age of the population was 32.8 ± 16.7 years. Among the total study subjects, 44.1% were male and 55.9% were female. The prevalence of dental pain reported during the preceding 6 months was 28.3%. Subjects who experienced dental pain reported the home remedies and self-care methods that they utilised to get relief from the pain. They more frequently reported using over-the-counter medication (49.6%) for pain relief. Conclusions This study provides an insight into the type and usage of self-care in relief of dental pain. Pain sufferers used a variety of self-care methods to deal with their problems. © 2015 FDI World Dental Federation. Source


Arvind Babu R.S.,University of the West Indies | Ramana Reddy B.V.,Sibar Institute of Dental science | Anuradha C.H.,Sree Sai Dental College and Research Institute
Journal of Clinical and Diagnostic Research | Year: 2014

A biphasic tumour is a truly histological term that refers to neoplastic tissue which is characterized by two different cellular elements. Several histogenetic theories have been proposed for the aetiogenesis of the biphasic tumours. Literatures have been published on the individual lesions, which have described their biphasic nature but, biphasic tumours have not been categorized singly. Categorizing biphasic tumours is not likely to highlight diagnostic standards, but it may sensitize the therapeutic planning and post operative monitoring. This review article focuses on the histogenetic concepts of biphasic tumours, and the histopathological description of the lesions that are suggested to be biphasic tumours. Source


Vootla N.R.,Narayana Dental College | Barla S.C.,Sree Sai Dental College and Research Institute | Kumar V.H.C.,Narayana Dental College | Surapaneni H.,Drs Sudha And Nageswara Rao Siddhartha Institute Of Dental Sciencesandhra Pradesh | And 2 more authors.
Journal of Clinical and Diagnostic Research | Year: 2016

Introduction: Studies on stress distribution around screw retained implants in different bone densities are limited. In clinical situations crowns of different heights are placed on the implants and the effect of varying crown implant ratio on the bone is not understood properly. Aim: To evaluate and compare the stress distribution in different screw retained implants for different crown–implant ratios in different bone densities under various occlusal loads using three dimensional finite element analyses. Materials and Methods: In this invitro study the stress distribution was evaluated and compared between two different crown heights (7.5mm, 10mm) retained on implants by using different screw materials (commercially pure titanium, titanium alloy) in two different densities of bone D2, D3 under various load (100N, 200N) applications by using finite element analysis. Results: For crown height of 7.5mm, in D2 bone density when vertical load of 200N was applied, the maximum stress concentration was 1780N/cm2, for oblique load of 100N it was 2936N/cm2 respectively and in D3 bone density when vertical load of 200N was applied, the maximum stress concentration was 1820N/cm2, for oblique load of 100N it was 3477N/cm2 respectively. When the crown height is increased to 10mm, the maximum stress concentration in D2 bone was 1875N/cm2 for vertical load, 4015N/cm2 for oblique load and in D3 bone the maximum stress concentration was 2123N/cm2 for vertical load and 4236N/ cm2 for oblique load. In case of titanium screws for crown height of 7.5 mm, when vertical load was applied, stress concentration was 1603 N/cm2 where as for titanium alloy screw it was 1820N/cm2. In case of 10mm crown height stress concentration was 1904N/cm2 for titanium screw and 2123N/cm2 for titanium alloy screw. In case of oblique loading for 7.5mm crown height stress concentration was 3155N/cm2 for titanium screw 3477N/cm2 for titanium alloy screw. For 10mm crown height stress concentration was 4236N/cm2 for titanium screw, 4663N/cm2 for titanium alloy screw. Conclusion: Stress concentration was less and stress distribution was better in D2 bone density than in D3 bone density. Stress concentration was less and stress distribution was better in commercially pure titanium screw than in titanium alloy screw. With the increase in the height of crown (i.e., from 7.5mm to 10mm) stress concentration and stress distribution also increased. © 2016, Journal of Clinical and Diagnostic Research. All Rights Reserved. Source

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