The original oath was written in Ionic Greek, in the late Fifth Century BCE. It is usually included in the Hippocratic Corpus. Scholars widely believe that Hippocrates or one of his students wrote the oath between the 5th and 3rd century BC.
Age Six to Seven. Between the ages of six and seven, your child may lose his first tooth. The lower central incisors are usually the first teeth that are lost, followed by the upper central incisors. At this point, eating is slightly affected, although your child may prefer to do most of his chewing on the back teeth.
Timeframe. According to Parents.com, most children start to loose their baby teeth when they are between 5 and 6 years old. However, the normal timespan can vary by several years. Some children start to lose teeth as early as age 4, while it may not happen for others until they reach 8 years old.