FM4.2-3,FM14.4 | Age & Dental Identification & Age Estimation — Summary & Reflection

KEY TAKEAWAYS

Age estimation in forensic medicine integrates dental and skeletal parameters, with precision varying by age group. In children, dental eruption (deciduous complete by 2.5 years; permanent I1 at 6–7 years; third molars 17–21 years) and epiphyseal fusion provide age ranges with standard errors of ±1–3 years. In adults, Gustafson's method (6 criteria: attrition, secondary dentine, cementum apposition, root transparency, root resorption, periodontal recession; scored 0–3 each; formula: age = 11.43 + 4.56 × total score; SE ±3.6 yr) is the standard dental technique. Key skeletal sites: iliac crest fuses at 20–21 years; medial clavicle fuses at ~25 years — these two sites are the most legally important for 18-year threshold determination under the JJ Act 2015. Dental record matching identifies unknown bodies from ante-mortem records. FM14.4 requires a structured report: requisition → consent → clinical + radiological examination → parameter synthesis → range-based conclusion. The forensic doctor gives a range, not a point estimate, and explicitly states whether the legal threshold can be excluded.

REFLECT

Consider this scenario: after your full examination, your calculated range for an accused is '17–22 years.' The judge expects you to say whether the person is 'a juvenile or not.' The defence lawyer says your report is useless without a definitive answer. How do you respond, and how does your response reflect both scientific integrity and professional responsibility under the Juvenile Justice Act? Think about what the Act actually says about resolving age disputes when medical evidence is inconclusive.