Journal of Forensic Dental Sciences
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ORIGINAL ARTICLE
Year : 2012  |  Volume : 4  |  Issue : 1  |  Page : 29-33

Analysis of gonial angle in relation to age, gender, and dentition status by radiological and anthropometric methods


1 Department of Oral and Maxillofacial Pathology, K. D. Dental College and Hospital, Mathura, Uttar Pradesh, India
2 Department of Oral And Maxillofacial Pathology, Manipal College of Dental Sciences, Manipal, Karnataka, India

Correspondence Address:
Ram Ballabh Upadhyay
Department of Oral and Maxillofacial Pathology, KD Dental College and Hospital, NH-2, Post - Chatikara, Mathura, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0975-1475.99160

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Background: With development and function, the mandibular angle has shown changes in size and shape. A variation in mandibular angle with age, gender, and even the dental status has been observed, which is supported by radiographic and anthropometric studies. Aims: The aim of this study were to evaluate relationship between complete loss of teeth and changes in the gonial angle; the study further intends to evaluate any variation in gonial angle with age and gender. The study intends to assess the reliability and accuracy of age and gender determination using gonial angle as a parameter. Materials and Methods: A total of 185 subjects (91 males; 89 females) were included in the study and were divided into five groups on the basis of the chronological age. Physico-forensic anthropometry and lateral cephalometric methods were used to record the gonial angle. Results: The present study shows a definite decrease in the gonial angle with advancing age, but the intergroup analysis does not follow a significant pattern. The study showed no correlation of gonial angle with gender. However, the study observed a 6 o increase in gonial angle for edentulous subjects. Conclusion: Gonial angle has been used as an adjuvant forensic parameter, but its reliability is questionable, as the mandible does not follow one characteristic pattern. Gonial angle does show changes with dentition status, which may be attributed to physiologic function of the mandible. However, when evidence is scanty, it can be used to direct the investigation.


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