Carl Cha tfield is a certified Project Management Professional (PMP) with extensive knowledge of Microsoft Office Project as well as specific usability issues. Timothy Johnson has previously worked as an Office Project support professional for several years. Tim possesses in-depth technical knowledge about the software.
The complete set of primary teeth is in the mouth from the age of 2 Â½ to 3 years of age to 6 to 7 years of age. Other primary tooth eruption facts: A general rule of thumb is that for every 6 months of life, approximately 4 teeth will erupt.
The eruption of teeth into the mouth occurs between 6 months and 30 months of age. The first teeth to erupt are usually the lower front teeth. The eruption chart shows the average age at which teeth emerge. This can vary considerably from child to child. See part 9 of this subject.