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Year : 2016  |  Volume : 1  |  Issue : 2  |  Page : 39-42

Forensic odontology: Supernumerary teeth, their importance, and a radiographic study in identifying supernumerary teeth

1 Department of Radiology, Saveetha Dental College, Chennai, India
2 Department of Oral Medicine, Saveetha Dental College, Chennai, India
3 Department ENT, Mohan Kumaramangalam Medical College, Salem, India
4 Department of Pedodontics, SRM Dental College, Chennai, India
5 Department of Community Dentistry, Saveetha Dental College, Chennai, India
6 Department of Pedodontics, Saveetha Dental College, Chennai, India

Correspondence Address:
Y Mogit Gupta
Department of Oral Medicine, Saveetha Dental College, Chennai
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2542-5013.195055

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Aim: The aim of this study was to evaluate the sensitivity and specificity of panoramic radiographs (PRs) in identifying supernumerary teeth (ST) which can be useful to identify the individual in case the ST are impacted which cannot be seen clinically. Materials and Methods: The study analyzed the specificity and sensitivity of PR in identifying ST among the 180 dental undergraduate students in a University Dental College, India. The protocol was approved by the Institutional Review Board of Saveetha Dental College, India. Positive predictive values (PPVs) and negative predictive values (NPVs) were calculated and analyzed. Results and Conclusions: The overall (all examiners) sensitivity and specificity figures for identifying patients with ST were 88.5% and 94.2%, respectively [Table 1]. The overall PPV for this study was 93.5% and the NPV was 89.6%. The sensitivity and specificity figures for students who have completed internship were 88.8% and 95%, respectively. The sensitivity and specificity for students who are currently doing internship were 87.9% and 93%, respectively.

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