Journal of Forensic Dental Sciences
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   2010| January-June  | Volume 2 | Issue 1  
    Online since October 11, 2010

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Dental records: An overview
BK Charangowda
January-June 2010, 2(1):5-10
DOI:10.4103/0974-2948.71050  PMID:21189983
Dental records consist of documents related to the history of present illness, clinical examination, diagnosis, treatment done, and the prognosis. A thorough knowledge of dental records is essential for the practicing dentist, as it not only has a forensic application, but also a legal implication with respect to insurance and consumerism. This article reviews the importance of dental records in forensics.
  9,889 1,095 3
A comparative analysis of root dentin transparency with known age
Anita Singhal, V Ramesh, PD Balamurali
January-June 2010, 2(1):18-21
DOI:10.4103/0974-2948.71052  PMID:21189985
Objective: To correlate dimensions of root transparency and age, and to assess whether transparency is reliable for age estimation of unknown. Materials and Methods: 50 freshly extracted single rooted permanent teeth from 50 different individuals (27 males and 23 females) were collected and their ground sections of 400 ΅m were stained with 1% methylene blue. The area of the translucent zone was measured by superimposing a transparent graph paper on the ground section under stereomicroscope. The length of the translucency was measured by using digital vernier caliper. Results: A strong positive correlation between age and translucency of dentin was noted. The length rather than the area of the translucent zone correlated more with age. Conclusion: Translucency of the root dentin increases with age and it can be used as a reliable parameter for the age estimation.
  9,083 693 3
Palatal rugoscopy: Establishing identity
Aparna Paliwal, Sangeeta Wanjari, Rajkumar Parwani
January-June 2010, 2(1):27-31
DOI:10.4103/0974-2948.71054  PMID:21189987
Palatal rugae are irregular, asymmetric ridges of the mucous membrane extending laterally from the incisive papilla and the anterior part of the palatal raphe. The uniqueness and the overall stability of palatal rugae suggest their use for forensic identification. Objective: The purpose of this study was to compare the palatal rugae patterns in 2 different populations in India (Madhya Pradesh and Kerala), and furthermore, to assess the predominant pattern if any in the selected groups. Materials and Methods: 60 maxillary study models (30 from each group) were examined in the age group ranging from 17 to 23 years. Palatal rugae pattern were examined in both the sexes on right and left sides of the palate for the total number (quantitative), length, shape, and predominant direction (qualitative). Results: After analyzing the rugae patterns in both the groups and between the 2 sides of the palate, the wavy pattern was found to be predominant followed by curved, straight, unification, circular, and nonspecific in decreasing order in the overall population. Conclusion: Straight rugae pattern on the right side of the palate in the male subjects was found to be significantly predominant in the MP population, whereas wavy shape was predominant in Keralites; however, rugae patterns on the right side of the palate in female subjects exhibited no significant difference.
  7,559 1,187 7
Natural dyes versus lysochrome dyes in cheiloscopy: A comparative evaluation
Narendra Nath Singh, VR Brave, Shally Khanna
January-June 2010, 2(1):11-17
DOI:10.4103/0974-2948.71051  PMID:21189984
Cheiloscopy is the study of lip prints. Lip prints are genotypically determined and are unique, and stable. At the site of crime, lip prints can be either visible or latent. To develop lip prints for study purpose various chemicals such as lysochrome dyes, fluorescent dyes, etc. are available which are very expensive. Vermilion (Sindoor used by married Indian women) and indigo dye (fabric whitener) are readily available, naturally derived, and cost-effective reagents available in India. Objective: To compare the efficacy of sudan black, vermilion, and indigo in developing visible and latent lip prints made on bone china cup, satin fabric, and cotton fabric. Materials and Methods: Out of 45 Volunteers 15 lip prints were made on bone China cup 15 lip prints on Satin fabric and 15 on Cotton fabric. Sudan black, vermilion and indigo were applied on visible and latent lip prints and graded as good (+,+), fair (+), and poor (-) and statistically evaluated. Results: The vermilion and indigo dye gives comparable results to that of sudan black for developing visible and latent lip prints.
  6,703 817 3
Effects of high temperature on different restorations in forensic identification: Dental samples and mandible
Kalpana A Patidar, Rajkumar Parwani, Sangeeta Wanjari
January-June 2010, 2(1):37-43
DOI:10.4103/0974-2948.71056  PMID:21189989
Introduction: The forensic odontologist strives to utilize the charred human dentition throughout each stage of dental evaluation, and restorations are as unique as fingerprints and their radiographic morphology as well as the types of filling materials are often the main feature for identification. The knowledge of detecting residual restorative material and composition of unrecovered adjacent restoration is a valuable tool-mark in the presumptive identification of the dentition of a burned victim. Gold, silver amalgam, silicate restoration, and so on, have a different resistance to prolonged high temperature, therefore, the identification of burned bodies can be correlated with adequate qualities and quantities of the traces. Most of the dental examination relies heavily on the presence of the restoration as well as the relationship of one dental structure to another. This greatly narrows the research for the final identification that is based on postmortem data. Aim: The purpose of this study is to examine the resistance of teeth and different restorative materials, and the mandible, to variable temperature and duration, for the purpose of identification. Materials and Methods: The study was conducted on 72 extracted teeth which were divided into six goups of 12 teeth each based on the type of restorative material. (Group 1 - unrestored teeth, group 2 - teeth restored with Zn 3 (Po 4 ) 2 , group 3 - with silver amalgam, group 4 with glass ionomer cement, group 5 - Ni-Cr-metal crown, group 6 - metal ceramic crown) and two specimens of the mandible. The effect of incineration at 400°C (5 mins, 15 mins, 30 mins) and 1100°C (15 mins) was studied. Results: Damage to the teeth subjected to variable temperatures and time can be categorized as intact (no damage), scorched (superficially parched and discolored), charred (reduced to carbon by incomplete combustion) and incinerated (burned to ashes).
  6,712 797 4
A decade of forensic odontology in India
Ashith B Acharya
January-June 2010, 2(1):1-1
DOI:10.4103/0974-2948.71048  PMID:21189981
  5,805 763 -
Radiographic evaluation of dental age of adults using Kvaal's method
Ridhima Sharma, Anurag Srivastava
January-June 2010, 2(1):22-26
DOI:10.4103/0974-2948.71053  PMID:21189986
Introduction: It is a well-known fact that the assessment of the dental development can be related to an individual's age, but after the age of 21 years when the wisdom teeth also complete their development, there arises a need for an optimal age estimation procedure. With advancing age, there is a reduction in the size of the pulp due to secondary dentin deposition and a measurement of this reduction can also be used as a parameter to assess the age of the individuals, both in the living and dead. Aims and Objectives: The purpose of the present study was to evaluate the feasibility of this approach in the estimation of age of adults, using Kvaal's method in the set sample. Materials and Methods: The material consisted of the digital long-cone intraoral periapical radiographs from 50 subjects of either sex in the age group of 15-60 years, who were selected after evaluation for the set inclusion and exclusion criteria. The pulp width and length from radiographs of 6 selected teeth, namely, maxillary central incisor, lateral incisor, and second premolar and mandibular lateral incisor, canine, and first premolar of either right or left side were measured using the RVG trophy software [Trophy® Windows is a software program supplied by Trophy Radiologie (Trophy Windows Version 5.03, Copyright 1993-2002,Trophy RVG patented by Trophy, Chicago)]. In order to compensate for the differences in magnification and angulation, various ratios were calculated and the mean of all ratios (M) was taken as the first predictor, while the difference between the mean of 2 width ratios and the mean of 2 length ratios (W − L) was taken as the second predictor. Different regression formulae for all 6 teeth, 3 maxillary teeth, 3 mandibular teeth, and each of the individual teeth were derived and the age was assessed. The assessed age was then co-related with the actual age of the patient using the Student's t test. Results: The results showed that the coefficient of determination (R 2 ) was the strongest (0.198) for the mandibular first premolar indicating that age can be estimated better with this particular tooth. No significant difference was observed between the estimated age and the actual age for all (P>0.05) except in mandibular lateral incisor and maxillary lateral incisor, where a significant difference was observed. Conclusion: To conclude, the results of the present study suggest the feasibility of Kvaal's method for age estimation in the set sample
  5,086 785 3
Isolation of epithelial cells from acrylic removable dentures and gender identification by amplification of SRY gene using real time PCR
Renjith George, G Sriram, TR Saraswathi, B Sivapathasundharam
January-June 2010, 2(1):32-36
DOI:10.4103/0974-2948.71055  PMID:21189988
This study evaluates the usefulness of acrylic dentures as the source of DNA for forensic analysis. Thirty-eight samples (21 males and 17 females) were collected and stored for different time periods. The epithelial cells adhered to the dentures were retrieved and the genomic DNA was extracted. All the samples yielded sufficient amount of DNA for analysis irrespective of the storage time. Gender determination was done by amplification of the sex determining region on the Y chromosome (SRY) using real-time polymerase chain reaction with 100% accuracy, within minimal time. With this study, we conclude that saliva-stained acrylic dentures can act as a source of forensic DNA and co-amplification of SRY gene with other routine sex typing markers will give unambiguous gender identification.
  4,894 395 1
Role of a dentist in discrimination of abuse from accident
G Sujatha, G Sivakumar, TR Saraswathi
January-June 2010, 2(1):2-4
DOI:10.4103/0974-2948.71049  PMID:21189982
Most physical injuries resulting from abuse or violence are found on the head and neck areas that are clearly visible to the dental team during examination. Given that dental professionals routinely assess the head, face, and neck of patients, they are in a unique position to identify the signs of abuse and neglect. Involvement of a dentist in the protection team may be beneficial and can lead to early intervention. This article brings to light the importance of questioning and physical examination and the role of a dentist in identifying abuse, assault, and accident.
  4,109 584 -
Journal Reviews
Preethy Mary Donald, K Indrapriyadharshini
January-June 2010, 2(1):44-46
  2,935 272 -
Conference Report

January-June 2010, 2(1):47-47
  2,222 162 -