Abstract
Summary The teeth are considered as a reliable indicator of age and provide several parameters for age estimation. Age estimation from dental radiographs is a non-destructive and straightforward method to obtain information. This preliminary study aimed to establish a relationship between chronological age and the tooth/pulp area ratio in a central Indian population. The digital dental X-ray- OPGs of 46 randomly selected consenting subjects belonging to the age group 18 to 60 years were examined. The tooth area and pulp area of upper maxillary right permanent canine were calculated. A Graph was also plotted on the scattered points to get a linear trend line and equation of the relationship between chronological age and tooth/pulp area ratio. Statistical analysis shows a significant strong positive correlation (R2= 0.99) between age and tooth /pulp area ratio. Linear Regression equation was derived for estimation of age, i.e., y = 6.6554x - 22.578 (where y is the estimated age and x is the tooth-pulp area ratio). The estimated age was accurate up to ± 2 years of the actual age. The result of this preliminary study shows that the tooth/pulp area ratio of the canine may serve as a reliable tool for estimation of age.
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