[The occurrence of cavitation after orthodontic bonding. A case report].

In this case report occurrence of cavitation on the lingual enamel surfaces of teeth after orthodontic direct bonding a canine to canine lingual retainer is presented and possible reasons which might play a role in their formation was investigated by "SEM" and "electron microprobe analyzer". Although the morphologic structure is normal, a mineral loss is detected and it is thought that an easier dissolution of enamel is occurred by the penetration of saliva and plaque microorganisms throughout the enamel-resin junction.