Which technique is considered a non-invasive approach for estimating the age of an adult individual?

Show Answers

Measuring translucency in the root dentinAnalyzing amino acid racemization levelsCounting the annulations in tooth cementumDetermining the ratio between pulp and tooth size in canines

Explanation

Options A, B, and C involve destructive or invasive procedures such as sectioning or chemical analysis of teeth. In contrast, option D uses radiographic measurement of the pulp-to-tooth ratio in canines, which is a non-destructive and reliable method for adult age estimation.