Intentional replantation: case report of an alternative treatment for endodontic therapy failure

Resumo

The aim of this study was to present an alternative treatment after the occurrence
of endodontic therapy failure. The authors report a clinical case of a second
maxillary permanent molar, which was indicated for intentional replantation
as an alternative treatment. Extraction was performed followed by apicoectomy
of the three roots and radicular decontamination with citric acid (pH=1) for 1
min; the roots were then retro-obturated with amalgam and the tooth replanted
in the alveolus. The extra-buccal period lasted 15 min. Clinico-radiographical
follow-up examinations were done at 2, 3 and 5 years and no symptoms or
radicular resorption were found. There was bone neo-formation at the palatal
root that had presented a periapical lesion. Intentional replantation can be
indicated correctly as an alternative treatment for cases in which conservative
endodontic therapy or surgical technique cannot be performed.