Journal of Scientific Dentistry

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2011 | July-December | Volume 1 | Issue 2

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From the Editor's desk

Dr. Carounanidy Usha

From the Editor's desk

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:1] [Pages No:00 - 00]

   DOI: 10.5005/jsd-1-2-iii  |  Open Access |  How to cite  | 

396

INVITED REVIEW

Vishwanath R.

Cone Beam Computed Tomography - Role in Diagnosis of Carious, Periodontal and Endodontic Lesions

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:5] [Pages No:1 - 5]

Keywords: Cone Beam Computed Tomography, CBCT, Avanced Imaging

   DOI: 10.5005/jsd-1-2-1  |  Open Access |  How to cite  | 

Abstract

Dental radiology has long played exciting and critical diagnostic role in dentistry. Recent decades have seen the development of CT, MRI, Nuclear medicine, and Ultrasonographic imaging modalities that have revolutionized dental and medical diagnosis. The original CT technology, which is used extensively in medical diagnosis, is designated as medical CT (CT) and the newer modality used primarily in dentistry is Cone Beam CT (CBCT). The recent development and application of cone-beam imaging in dentistry provides most of the benefits of CT imaging for many dental appl ications. TI1is article provides an overview of the imaging principles underlying each of these technologies, identifies dental applications, and, in particular, focuses on the emerging role of cone-beam imaging in dentistry.

374

IEVIEW

Balaji N

Transmission Electron Microscopic Features of Normal and Diseased Muscle

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:7] [Pages No:6 - 12]

Keywords: Transmission electron microscopes, Ultra structural changes, normal and diseased muscle

   DOI: 10.5005/jsd-1-2-6  |  Open Access |  How to cite  | 

Abstract

“The enjoyment of the highest attainable standard of health is one of the fundamental rights of every human being without distinction of race, religion, political belief, economic or social condition.” -WHO. Transmission electron microscopes are patterned after Transmission light microscopes and wi1l yield similar information but at extremely higher magnification. Electron microscope is a powerful tool to study the muscle status in disease like oral submucous fibrosis, where muscle changes plays a vital role in the pathogenesis of the condition. This article reviews ultrastructural features of normal and diseased muscle. This would aid in better understanding of the morphology of muscle for furtherresearehes in exploring the pathogenesis of various condition involving muscles.

405

Original Article

Shanthi V, Sathish Kumar G, Balaji N, Sumathi MK

Cytologic and Histopathologic Correlation in Cancer Diagnosis

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:3] [Pages No:13 - 15]

Keywords: Squamous cell carcinoma, Oral exfoliative cytology

   DOI: 10.5005/jsd-1-2-13  |  Open Access |  How to cite  | 

Abstract

Oral cancer is the major health hazard prevailing in the South Asia particularly in Indian subcontinent. About 95 percent of all oral cancers are found to be oral squamous ce1l carcinoma and globally it is the sixth most common cancer affecting the human race. Exfoliativc cytology refers to microscopic examination of cells scraped from the surface of lesions. Ora] exfo]iative cytology is a simple non invasive technique which can be used in cancer diagnosis. The present study was carried out to find the sensitivity and specificity of oral exfoliative cytology in cancer diagnosis and to correlate the cytologic andhistopathologic interpretation in cancer diagnosis.

581

Original Article

Balaji N

Palatoscopy among Pondicherry Population

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:3] [Pages No:16 - 18]

Keywords: Palatoscopy, Forensic dentistry, Palatal rugoscopy

   DOI: 10.5005/jsd-1-2-16  |  Open Access |  How to cite  | 

Abstract

Human identification is one of the most challenging subjects that man has been confronted with. Human identification is based on the scientific principles mainly involving dental records, fingerprints, and DNA comparisons. Finger print, lip print were commonly used in identification of victims in forensic dentistry. Palatoscopy is the name given to the study of palatal rugac in order to establish a person's identity. Palatoscopy can be of special interest in those areas where there are no fingers prints available like decomposed bodies, burned bodies. This present study aims to determine the predominant rugac of Pondichcrry population and also to evaluate the uniqueness of palatoscopy in identification of subjects.

518

Original Article

Jamini N, Gayatri N, Geena Mary G, Usha C

Polishability of Silorane Based Composite Resin - A Pilot Study

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:4] [Pages No:19 - 22]

Keywords: Nanofill composite, Hybrid composites, Silorane composite, Surface roughness, Profilometer, Polishing

   DOI: 10.5005/jsd-1-2-19  |  Open Access |  How to cite  | 

Abstract

Background: Silorane based composite resin has been introduced to esthetic dentistry in the recent past as a solution to overcome the polymerization shrinkage problem of the methacry late based resin composites. Numerous studies have been done on the polymerization shrinkage of Silorane based composite resin, but very few have been done on the long lasting csthctics of this material. Thus a pilot study was done to comparatively evaluate the polishability of the Silorane based resin composites (SBC) with Nano hybrid resin composites (NHC) and Hybrid resin composites (HC). Materials and methods: The surface roughness of Siloranc Based resin composite (Filtck P90, 3M) with nanohybrid resin based composite resin (Tetric N-ceram, lvoclar vivadent) and hybrid resin based composite resin (TE econom plus, Ivoclar vivadent) was assessed using contact profilometer after polishing with composite polishing kit (Shofu Super-Snap mini kit, Shofu Inc.,). The surface structure after polishing was observed under Scanning Electron Microscope. Results: The surface smoothness of SBC and HC compared well whereas the NHC showed rough surface. But no statistically significant difference was present in the surface roughness when measured with contact profilometer. Conclusion: The Silorane based resin composites exhibited polishability similar to hybrid resin based composites.

441

CASE REPORT

K Vijayalakshmi, Prathima GS

Active Vertical Corrector-A Case Report

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:5] [Pages No:23 - 27]

Keywords: Skeletal open bite, bite block therapy, active vertical corrector using magnets

   DOI: 10.5005/jsd-1-2-23  |  Open Access |  How to cite  | 

Abstract

Correct force application is the prescription of orthodontic tooth movement Other than the conventional force systems, a new force system has been introduced in orthodontics called the magnetic force system. The difficulties which arise during treatment of anterior open bites, have challenged many orthodontists due to delayed treatment time and relapse caused by tongue pressure etc. The anterior open bite is corrected by extrusion of the anteriors, which is often unsatisfactory due to poor aesthetic result. Hence, intrusion of the posteriors resulting in auto rotation of the mandible anteriorly is preferred. A pediatric patient treated with AVC is presented in this article.

391

CASE REPORT

Baburajan Kandasamy, Srinivasan J, Shivasakthy M, Sivascnthil S

Full Mouth Rehabilitation-A Case Report

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:4] [Pages No:28 - 31]

Keywords: Full mouth rehabilitation, bite raising, collapsed VD

   DOI: 10.5005/jsd-1-2-28  |  Open Access |  How to cite  | 

Abstract

Human beings are generally blessed in most instances with an excellent dentition. The facial esthetics and harmony in a way is only dependent on this dentition. However most of the people in their later life lose some or all the teeth, due to disease and/or their habits, where a Rehabilitative Prosthodontic management is considered challenging and result oriented. Discussed here is a case of worn out dentition rehabilitated using fixed prosthesis.

562

CASE REPORT

Ramesh C, Karthikcyan B, Sujee C, Shivasakthy M

Delayed Correction of Post Traumatic Malocclusion - A Case Report

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:3] [Pages No:32 - 34]

Keywords: Unilateral Lefort I osteotomy, Post traumatic malocclusion, Residual deformity

   DOI: 10.5005/jsd-1-2-32  |  Open Access |  How to cite  | 

Abstract

Dentofacial and maxillofacial deformities are common in the general population, ranging from mild abnormalities of the teeth to extensive and widespread deformities involving the entire face and skull. The incidence of maxillofacial trauma is steadily increasing, maxi11ary fractures being extremely severe. More extensive deformities require a surgical approach in treating dcntofacial and maxillofacial deformities. Typically, both the soft and hard tissues of the face, along with the teeth and bite, need to be considered in formulating a definitive treatment plan, which will lead to the best outcome. Here we report a case of residual deformity resulting in disturbance in occlusion, function and esthetics where a single piece osteotomywith a single semi-rigid fixation was performed to restore the occlusion.

540

CASE REPORT

Gayathri N, Sudha R, Narasimhan B, Sukumaran VG

Endodontic Management of a Fused Maxillary Permanent Lateral Incisor with a Supplemental Lateral Incisor

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:3] [Pages No:35 - 37]

Keywords: Fusion, Gemination, Supplemental, Supernumerary

   DOI: 10.5005/jsd-1-2-35  |  Open Access |  How to cite  | 

Abstract

Fusion and gcmination arc two distinct developmental anomalies whose differentiation is often difficult, more so, when a fusion occurs between a permanent and supernumerary teeth. This case report discusses in detail the endodontic management of a fused permanent maxillary lateral incisor and its supplemental supernumerary tooth in a 16 year old female patient.

617

CASE REPORT

Sujee C, Ramesh C, Suresh V, Jeelani S

Oral Submucous Fibrosis: Dealing with A difficult Airway - A Case Report

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:8] [Pages No:38 - 45]

Keywords: Airway management, Fiberoptic intubation, Oral Submucous Fibrosis

   DOI: 10.5005/jsd-1-2-38  |  Open Access |  How to cite  | 

Abstract

When faced with an anticipated difficult airway, we need to consider securing the airway in an awake state without using anaesthetic agents and muscle relaxants. Awake fiberoptic intubation is a non- invasive technique of securing airway in such patients. This case resport discusses the anesthetic management of a 28 year old man with Oral Submucous Fibrosis where tracheostomy was avoided with the use of awake fiberoptic intubation. Awake fiberoptic intubation under topical anesthesia may be the ideal method to secure the airway in advanced cases of Oral Submucous Fibrosis. As the procedure can be highly discomforting, the patient has to be prepared psychologically and pharmacologically for awake intubation. When fiberoptic bronchoscopy is not feasible, not available or has failed, an awake tracheostomy may be the preferred option.

383

SHORT COMMUNICATION

Shivasakthy M, Sivasenthil S, Srinivasan J, Babu Rajan K

Chalian's Technique of Fabricating Hollow Bulb Obturator

[Year:2011] [Month:July-December] [Volume:1] [Number:2] [Pages:4] [Pages No:46 - 49]

Keywords: Maxillofacial prosthesis, hollow obturator, palatal defect, Chalian's technique

   DOI: 10.5005/jsd-1-2-46  |  Open Access |  How to cite  | 

Abstract

The primary objective of rehabilitating the maxillofacial defects is to eliminate the disease and to improve the quality of life for these individuals. There are various types of ob1urator fabrication available for a Prosthodontist. The size of the defect and its location influences the degree of impairment and the complications in the rehabilitation procedure. The three important factors in the success of any prosthesis namely support, retention, and stability are the common treatment problems for patients who have had a maxillectomy. Hence the design of the obturator and its method of construction should facilitate to achieve optimum results for the comfort of the patient. This paper describes a case where construction of a hollow bulb obturator was done using Chalian's technique.

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