Maria David; Runjhun Saxena

doi:10.4103/0975-1475.81286

Authors

Maria David Department of Oral Medicine and Radiology, M R Ambedkar Dental College, Cooke Town, Bangalore, Karnataka
Runjhun Saxena Department of Oral Medicine and Radiology, M R Ambedkar Dental College, Cooke Town, Bangalore, Karnataka

DOI:

https://doi.org/10.4103/0975-1475.81286

Keywords:

Forensic dentistry, frontal sinus, nasal septum, personal identification, posteroanterior cephalogram

Abstract

Objectives: To examine and classify the variations in the pattern of frontal sinus and nasal septum as observed on the posterior anterior Cephalometric radiographs, and to propose the possible use of the same in personal identification. Materials and Methods: This study was conducted on 50 individuals visiting the department, whose age ranged from 25 to 50 years. The radiographs of 25 males and 25 females were recorded using a Kodak 8000 C and Dental Imaging Software Viewer 6.3.4. Frontal sinus (symmetry and lobulations) and nasal septum patterns (deviations) were observed and classified. Results: Frontal sinus symmetry was observed in 29 (58%) individuals and asymmetry was observed in 16 (32%). Frontal sinuses were absent (bilateral aplasia) in two individuals (4%). Unilateral aplasia was seen in three individuals (6%). Straight nasal septum was seen in 11 (22%), right deviation in 21 (42%), and left deviation in 15 (30%) individuals. Sigmoid was seen in one male (2%), reverse sigmoid in one male (2%), and other pattern type in one female (2%). Both frontal sinus and nasal septum patterns were assessed together for each individual. Out of 50 individuals, 41 unique combinations of frontal sinus and nasal septum were found. However, there were nine individuals whose patterns matched one of the patterns of the 41 individuals. Conclusion: We observed that the frontal sinus and nasal septum patterns had considerable individual variation. A combined use of both the patterns, as observed on the radiographs, could serve as an adjunct to other methods of personal identification.

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