Trying to accurately assess the real age by medical or dental examination has been a contentious and impossible task, often subject to legal challenges.

For this reason, horses need a dental examination at least once a year, and particular care must be paid to the dental needs of older horses.

This covers routine treatments up to 1,000 a year but regular dental examinations are excluded.

Physical and dental examinations are administered to every student at least once during the school year.

They participate in a day of interviews, physical tests, dental examinations, blood tests, computer questionnaires and surveys.