CT imaging provides more accurate information about the lesion's size, its relationship to adjacent anatomical structures, and the position of the underlying
permanent tooth [11].
Kubota, "Revascularization of an immature
permanent tooth with periradicular abscess after luxation," Dental Traumatology, vol.
In a young child with deciduous dentition, replacement can lead to damage to the developing crown of a
permanent tooth from a mild discoloration to frank malformation.
A high percentage of children in fluoridated areas suffer fluorosis -
permanent tooth mottling caused by too much fluoride.
When surveyed, more than 90 percent of the children still had at least one baby tooth and 76 percent had acquired at least one
permanent tooth. Slightly more than half of the children also had residues of a nicotine-breakdown product in their urine, indicating regular exposure to cigarette smoke.
In a simple comparison, 27% of the children with high blood lead concentrations had
permanent tooth decay, as compared with 15% with low concentrations.
This dissolves the roots of the baby tooth above each
permanent tooth. After the roots of the baby tooth dissolve, the tooth can be wiggled out.
According to the Academy for Sports Dentistry (ASD)in Chicago, Illinois, if the entire
permanent tooth is knocked out:
* An over-retained primary tooth is a "baby tooth" that is still in position when a
permanent tooth is erupting into the same space.
A
permanent tooth in a child is more likely than an adult's to solidly replant, because kids have such great healing abilities."
But if a baby tooth is lost too early, the
permanent tooth won't be ready to replace it.