The estimation of age is an important activity and is commonly carried in medico legal area. Assessment of age is often required while
administering justice to an individual. The times of eruption of temporary and permanent teeth are fairly constant and assessment of
age of an individual by examination of teeth is an accepted method of age determination. The assessment of dental age is useful in the
planning of orthodontic treatment, in paediatric dentistry, paediatric endocrinology and forensic medicine. It also adds important
knowledge of growth and development to human biology. Various methods are used in orthodontics to evaluate the age of a patient.
Chronological age is defined by birth date and skeletal age can be assessed, for example, by hand wrist ossification.