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Combined use of frontal sinus and nasal septum patterns as an aid in forensics: a digital radiographic study
Pradhuman Verma1, Kanika Gupta Verma2, Rameen Khosa1
1Department of Oral Medicine and Radiology, Surendera Dental College and Research Institute, Sriganganagar, Rajasthan, India.
Background:
Skull radiographic examination is a potentially useful procedure for the personal identification in cases where fragments of skull persist with no likelihood of identification based on dental arch.
Aims:
The study was to determine the uniqueness and reliability of combined frontal sinus (FS) and nasal septum (NS) patterns as observed on posterioanterior (PA) cephalograms for personal identification.
Materials And Methods:
The randomly selected 149 digital PA cephalograms taken on Kodak 8000C Digital Panoramic and Cephalometric system were evaluated for patterns of FS and NS. Also the distribution of lobulations, area, and ratio of height/width of FS was calculated. The data obtained was statistical analyzed using Pearson's coefficient correlation.
Results:
FS symmetry was observed in 78.5% and asymmetry in 7.3% subjects. Bilateral aplasia was noticed in 5.3% and unilateral aplasia in 8.7% of subjects. The total lobulation of FS was noted more in males on both sides while center lobes were observed slightly more in females. The straight NS was maximally seen followed by reverse sigmoid. The mean ratio of width/height of FS was observed more in males and highly significant correlation was observed with both sexes. The mean area of FS was noted more in males. There was significant correlation found between patterns of NS and FS except in right dominated asymmetrical FS.
Conclusion:
The combined use of FS and NS patterns could be used as method for identification by exclusion in forensics.
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