Richard Spanton Jr. As part of the State of the Industry Report, Roofing Contractor asked a variety of roofing professionals, industry insiders, economists and other experts to share their insights on the economic outlook for the year ahead and key trends to keep an eye on.
Floating teeth is the description given to the appearances on imaging of teeth 'hanging in the wind' as a result of alveolar bone destruction around the root of the teeth. They are uncommonly encountered, with a wide differential diagnosis - albeit that the underlying cause will almost always be an aggressive bone disease/lesion.
This is called the period of mixed dentition, because for much of the time, children will have both primary and permanent teeth. Teeth form under the gum before they erupt (emerge through the gum). The crown, or visible part of the tooth, forms before the roots do. Before the roots form, the developing tooth is called a tooth bud.. Eventually, the 20 primary teeth are replaced by 32 permanent teeth.