Tooth and root perforations represent significant complications, which worsen clearly the prognosis of the tooth affected. Most perforations are thereby iatrogenically caused. Perforations by restorative processes or by caries arise less frequently.
Perforations by restorative processes or by caries arise less frequently. Perforations may occur in any area of the tooth and with an incidence of 7 to 12 percent in retreatment cases it is not a rare treatment complication. Teeth that have been rated as questionable still a few years ago nowadays can be treated successfully with an adequate diagnostic and the use of modern techniques and materials. Nevertheless the treatment prognosis depends on the time elapsing between perforation and treatment, the size and the localisation of the perforation.
