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.
Teething is the process by which an infant's first teeth (the deciduous teeth, often called baby teeth or milk teeth) sequentially appear by emerging through the gums, typically arriving in pairs. Teething usually begins between six and eight months. It can take several years for all 20 teeth to complete the tooth eruption.