title: Non-surgical root canal treatment of dens invaginatus 3 in a maxillary lateral incisor.
abstract: The aim of this case report was to describe the clinical management of an unusual dens invaginatus type 3. A case of dens invaginatus in a maxillary lateral incisor with a periapical lesion is reported. The patient presented with pain and localized swelling. Despite the complex anatomy and diagnosis of dens invaginatus, non-surgical root canal treatment was performed successfully.
  
  
  CONCLUSIONS
  - Dens invaginatus may be presented in different forms, and the etiology of this phenomenon is not fully understood. - Due to abnormal anatomical configuration, dens invaginatus presents technical difficulties in its clinical management. - Non-surgical root canal treatment can be performed successfully.
authors.affiliation: Department of Endodontics, Dental School, Mashad University of Medical Sciences, Mashad, Iran.
authors.forename: Saeed
authors.initials: S
authors.lastname: Moradi
authors.forename: Zakyeh
authors.initials: Z
authors.lastname: Donyavi
authors.forename: Mohammad
authors.initials: M
authors.lastname: Esmaealzade
keywords: Dens Invaginatus; Lateral Incisor; Maxillary; Root Canal Treatment